id sid tid token lemma pos ispiv-91 1 1 14th 14th ADJ ispiv-91 1 2 international international ADJ ispiv-91 1 3 symposium symposium NOUN ispiv-91 1 4 on on ADP ispiv-91 1 5 particle particle NOUN ispiv-91 1 6 image image NOUN ispiv-91 1 7 velocimetry velocimetry NOUN ispiv-91 1 8 – – PUNCT ispiv-91 1 9 ispiv ispiv NOUN ispiv-91 1 10 2021 2021 NUM ispiv-91 1 11 august august PROPN ispiv-91 1 12 1–5 1–5 NUM ispiv-91 1 13 , , PUNCT ispiv-91 1 14 2021 2021 NUM ispiv-91 1 15 high high ADJ ispiv-91 1 16 speed speed NOUN ispiv-91 1 17 piv piv NOUN ispiv-91 1 18 measurements measurement NOUN ispiv-91 1 19 in in ADP ispiv-91 1 20 water water NOUN ispiv-91 1 21 hammer hammer PROPN ispiv-91 1 22 r. r. PROPN ispiv-91 1 23 capanna1∗ capanna1∗ PROPN ispiv-91 1 24 , , PUNCT ispiv-91 1 25 p. p. NOUN ispiv-91 1 26 m. m. NOUN ispiv-91 1 27 bardet1 bardet1 PROPN ispiv-91 1 28 1 1 NUM ispiv-91 1 29 the the DET ispiv-91 1 30 geroge geroge PROPN ispiv-91 1 31 washington washington PROPN ispiv-91 1 32 university/ university/ PROPN ispiv-91 1 33 mechanical mechanical ADJ ispiv-91 1 34 and and CCONJ ispiv-91 1 35 aerospace aerospace NOUN ispiv-91 1 36 department/ department/ NUM ispiv-91 1 37 washington washington PROPN ispiv-91 1 38 dc/ dc/ PROPN ispiv-91 1 39 usa usa PROPN ispiv-91 1 40 ∗ ∗ PROPN ispiv-91 1 41 capanna@gwu.edu capanna@gwu.edu PROPN ispiv-91 2 1 abstract abstract ADJ ispiv-91 2 2 an an DET ispiv-91 2 3 experimental experimental ADJ ispiv-91 2 4 study study NOUN ispiv-91 2 5 addressing address VERB ispiv-91 2 6 the the DET ispiv-91 2 7 challenge challenge NOUN ispiv-91 2 8 to to PART ispiv-91 2 9 measure measure VERB ispiv-91 2 10 relaxation relaxation NOUN ispiv-91 2 11 coefficient coefficient NOUN ispiv-91 2 12 of of ADP ispiv-91 2 13 very very ADV ispiv-91 2 14 fast fast ADJ ispiv-91 2 15 phenomena phenomena NOUN ispiv-91 2 16 such such ADJ ispiv-91 2 17 as as SCONJ ispiv-91 2 18 water water NOUN ispiv-91 2 19 hammers hammer NOUN ispiv-91 2 20 is be AUX ispiv-91 2 21 presented present VERB ispiv-91 2 22 . . PUNCT ispiv-91 3 1 an an DET ispiv-91 3 2 acrylic acrylic NOUN ispiv-91 3 3 projectile projectile NOUN ispiv-91 3 4 containing contain VERB ispiv-91 3 5 water water NOUN ispiv-91 3 6 is be AUX ispiv-91 3 7 accelerated accelerate VERB ispiv-91 3 8 and and CCONJ ispiv-91 3 9 impacts impact VERB ispiv-91 3 10 a a DET ispiv-91 3 11 metal metal NOUN ispiv-91 3 12 wall wall NOUN ispiv-91 3 13 creating create VERB ispiv-91 3 14 a a DET ispiv-91 3 15 water water NOUN ispiv-91 3 16 hammer hammer NOUN ispiv-91 3 17 . . PUNCT ispiv-91 4 1 state state NOUN ispiv-91 4 2 of of ADP ispiv-91 4 3 the the DET ispiv-91 4 4 art art NOUN ispiv-91 4 5 laser laser NOUN ispiv-91 4 6 measurements measurement NOUN ispiv-91 4 7 techniques technique NOUN ispiv-91 4 8 will will AUX ispiv-91 4 9 be be AUX ispiv-91 4 10 deployed deploy VERB ispiv-91 4 11 in in ADP ispiv-91 4 12 order order NOUN ispiv-91 4 13 to to PART ispiv-91 4 14 achieve achieve VERB ispiv-91 4 15 such such ADJ ispiv-91 4 16 goal goal NOUN ispiv-91 4 17 . . PUNCT ispiv-91 5 1 a a DET ispiv-91 5 2 compressed compress VERB ispiv-91 5 3 air air NOUN ispiv-91 5 4 custom custom NOUN ispiv-91 5 5 built build VERB ispiv-91 5 6 cannon cannon NOUN ispiv-91 5 7 is be AUX ispiv-91 5 8 used use VERB ispiv-91 5 9 to to PART ispiv-91 5 10 accelerate accelerate VERB ispiv-91 5 11 the the DET ispiv-91 5 12 projectile projectile NOUN ispiv-91 5 13 and and CCONJ ispiv-91 5 14 create create VERB ispiv-91 5 15 the the DET ispiv-91 5 16 impact impact NOUN ispiv-91 5 17 leading lead VERB ispiv-91 5 18 to to ADP ispiv-91 5 19 the the DET ispiv-91 5 20 water water NOUN ispiv-91 5 21 hammer hammer NOUN ispiv-91 5 22 . . PUNCT ispiv-91 6 1 first first ADJ ispiv-91 6 2 experimental experimental ADJ ispiv-91 6 3 results result NOUN ispiv-91 6 4 for for ADP ispiv-91 6 5 shadowgraphy shadowgraphy NOUN ispiv-91 6 6 and and CCONJ ispiv-91 6 7 piv piv NOUN ispiv-91 6 8 measurements measurement NOUN ispiv-91 6 9 are be AUX ispiv-91 6 10 presented present VERB ispiv-91 6 11 and and CCONJ ispiv-91 6 12 discussed discuss VERB ispiv-91 6 13 with with ADP ispiv-91 6 14 focus focus NOUN ispiv-91 6 15 on on ADP ispiv-91 6 16 the the DET ispiv-91 6 17 future future ADJ ispiv-91 6 18 development development NOUN ispiv-91 6 19 for for ADP ispiv-91 6 20 the the DET ispiv-91 6 21 presented present VERB ispiv-91 6 22 facility facility NOUN ispiv-91 6 23 . . PUNCT ispiv-91 7 1 1 1 NUM ispiv-91 7 2 introduction introduction NOUN ispiv-91 7 3 the the DET ispiv-91 7 4 relap-7 relap-7 NUM ispiv-91 7 5 code code NOUN ispiv-91 7 6 is be AUX ispiv-91 7 7 the the DET ispiv-91 7 8 next next ADJ ispiv-91 7 9 - - PUNCT ispiv-91 7 10 generation generation NOUN ispiv-91 7 11 nuclear nuclear ADJ ispiv-91 7 12 reactor reactor NOUN ispiv-91 7 13 system system NOUN ispiv-91 7 14 safety safety NOUN ispiv-91 7 15 analysis analysis NOUN ispiv-91 7 16 code code NOUN ispiv-91 7 17 being be AUX ispiv-91 7 18 developed develop VERB ispiv-91 7 19 at at ADP ispiv-91 7 20 idaho idaho PROPN ispiv-91 7 21 national national PROPN ispiv-91 7 22 laboratory laboratory PROPN ispiv-91 7 23 ( ( PUNCT ispiv-91 7 24 berry berry VERB ispiv-91 7 25 et et PROPN ispiv-91 7 26 al al PROPN ispiv-91 7 27 . . PROPN ispiv-91 7 28 , , PUNCT ispiv-91 7 29 2013 2013 NUM ispiv-91 7 30 , , PUNCT ispiv-91 7 31 2018 2018 NUM ispiv-91 7 32 , , PUNCT ispiv-91 7 33 2015 2015 NUM ispiv-91 7 34 ) ) PUNCT ispiv-91 7 35 . . PUNCT ispiv-91 8 1 in in ADP ispiv-91 8 2 relap-7 relap-7 NUM ispiv-91 8 3 , , PUNCT ispiv-91 8 4 the the DET ispiv-91 8 5 comprehensive comprehensive ADJ ispiv-91 8 6 sevenequation sevenequation NOUN ispiv-91 8 7 multiphase multiphase NOUN ispiv-91 8 8 model model NOUN ispiv-91 8 9 is be AUX ispiv-91 8 10 used use VERB ispiv-91 8 11 to to PART ispiv-91 8 12 represent represent VERB ispiv-91 8 13 quasi quasi ADJ ispiv-91 8 14 - - ADJ ispiv-91 8 15 one one NUM ispiv-91 8 16 - - PUNCT ispiv-91 8 17 dimensional dimensional ADJ ispiv-91 8 18 gas gas NOUN ispiv-91 8 19 - - PUNCT ispiv-91 8 20 liquid liquid ADJ ispiv-91 8 21 flows flow NOUN ispiv-91 8 22 for for ADP ispiv-91 8 23 problems problem NOUN ispiv-91 8 24 with with ADP ispiv-91 8 25 varying vary VERB ispiv-91 8 26 cross cross ADJ ispiv-91 8 27 - - ADJ ispiv-91 8 28 sectional sectional ADJ ispiv-91 8 29 areas area NOUN ispiv-91 8 30 . . PUNCT ispiv-91 9 1 for for ADP ispiv-91 9 2 fast fast ADJ ispiv-91 9 3 transients transient NOUN ispiv-91 9 4 ( ( PUNCT ispiv-91 9 5 such such ADJ ispiv-91 9 6 as as ADP ispiv-91 9 7 water water NOUN ispiv-91 9 8 hammer hammer NOUN ispiv-91 9 9 or or CCONJ ispiv-91 9 10 steam steam NOUN ispiv-91 9 11 explosion explosion NOUN ispiv-91 9 12 ) ) PUNCT ispiv-91 9 13 in in ADP ispiv-91 9 14 water water NOUN ispiv-91 9 15 , , PUNCT ispiv-91 9 16 the the DET ispiv-91 9 17 seven seven NUM ispiv-91 9 18 - - PUNCT ispiv-91 9 19 equation equation NOUN ispiv-91 9 20 model model NOUN ispiv-91 9 21 takes take VERB ispiv-91 9 22 into into ADP ispiv-91 9 23 account account NOUN ispiv-91 9 24 non non ADJ ispiv-91 9 25 - - ADJ ispiv-91 9 26 equilibrium equilibrium ADJ ispiv-91 9 27 processes process NOUN ispiv-91 9 28 through through ADP ispiv-91 9 29 relaxation relaxation NOUN ispiv-91 9 30 rate rate NOUN ispiv-91 9 31 terms term NOUN ispiv-91 9 32 . . PUNCT ispiv-91 10 1 due due ADP ispiv-91 10 2 to to ADP ispiv-91 10 3 the the DET ispiv-91 10 4 complex complex ADJ ispiv-91 10 5 polar polar ADJ ispiv-91 10 6 and and CCONJ ispiv-91 10 7 tri tri ADJ ispiv-91 10 8 - - ADJ ispiv-91 10 9 atomic atomic ADJ ispiv-91 10 10 nature nature NOUN ispiv-91 10 11 of of ADP ispiv-91 10 12 the the DET ispiv-91 10 13 h2o h2o PROPN ispiv-91 10 14 molecules molecule NOUN ispiv-91 10 15 , , PUNCT ispiv-91 10 16 the the DET ispiv-91 10 17 relaxation relaxation NOUN ispiv-91 10 18 rate rate NOUN ispiv-91 10 19 terms term NOUN ispiv-91 10 20 in in ADP ispiv-91 10 21 the the DET ispiv-91 10 22 seven seven NUM ispiv-91 10 23 - - PUNCT ispiv-91 10 24 equation equation NOUN ispiv-91 10 25 model model NOUN ispiv-91 10 26 rely rely VERB ispiv-91 10 27 on on ADP ispiv-91 10 28 simplified simplified ADJ ispiv-91 10 29 models model NOUN ispiv-91 10 30 and and CCONJ ispiv-91 10 31 limited limited ADJ ispiv-91 10 32 data datum NOUN ispiv-91 10 33 . . PUNCT ispiv-91 11 1 there there PRON ispiv-91 11 2 is be VERB ispiv-91 11 3 therefore therefore ADV ispiv-91 11 4 significant significant ADJ ispiv-91 11 5 empiricism empiricism NOUN ispiv-91 11 6 and and CCONJ ispiv-91 11 7 knowledge knowledge NOUN ispiv-91 11 8 gap gap NOUN ispiv-91 11 9 in in ADP ispiv-91 11 10 those those DET ispiv-91 11 11 terms term NOUN ispiv-91 11 12 that that PRON ispiv-91 11 13 limits limit VERB ispiv-91 11 14 the the DET ispiv-91 11 15 application application NOUN ispiv-91 11 16 domain domain NOUN ispiv-91 11 17 of of ADP ispiv-91 11 18 relap-7 relap-7 NUM ispiv-91 11 19 for for ADP ispiv-91 11 20 fast fast ADJ ispiv-91 11 21 transients transient NOUN ispiv-91 11 22 . . PUNCT ispiv-91 12 1 unfortunately unfortunately ADV ispiv-91 12 2 , , PUNCT ispiv-91 12 3 no no DET ispiv-91 12 4 analytical analytical ADJ ispiv-91 12 5 model model NOUN ispiv-91 12 6 describes describe VERB ispiv-91 12 7 h2o h2o NOUN ispiv-91 12 8 satisfactorily satisfactorily ADV ispiv-91 12 9 over over ADP ispiv-91 12 10 the the DET ispiv-91 12 11 range range NOUN ispiv-91 12 12 of of ADP ispiv-91 12 13 parameters parameter NOUN ispiv-91 12 14 considered consider VERB ispiv-91 12 15 here here ADV ispiv-91 12 16 because because SCONJ ispiv-91 12 17 of of ADP ispiv-91 12 18 its its PRON ispiv-91 12 19 complex complex ADJ ispiv-91 12 20 geometry geometry NOUN ispiv-91 12 21 and and CCONJ ispiv-91 12 22 polar polar ADJ ispiv-91 12 23 nature nature NOUN ispiv-91 12 24 . . PUNCT ispiv-91 13 1 therefore therefore ADV ispiv-91 13 2 , , PUNCT ispiv-91 13 3 one one PRON ispiv-91 13 4 must must AUX ispiv-91 13 5 rely rely VERB ispiv-91 13 6 on on ADP ispiv-91 13 7 a a DET ispiv-91 13 8 combination combination NOUN ispiv-91 13 9 of of ADP ispiv-91 13 10 experiments experiment NOUN ispiv-91 13 11 and and CCONJ ispiv-91 13 12 molecular molecular ADJ ispiv-91 13 13 dynamic dynamic ADJ ispiv-91 13 14 simulations simulation NOUN ispiv-91 13 15 ( ( PUNCT ispiv-91 13 16 partly partly ADV ispiv-91 13 17 calibrated calibrate VERB ispiv-91 13 18 by by ADP ispiv-91 13 19 experimental experimental ADJ ispiv-91 13 20 results result NOUN ispiv-91 13 21 ) ) PUNCT ispiv-91 13 22 to to PART ispiv-91 13 23 estimate estimate VERB ispiv-91 13 24 the the DET ispiv-91 13 25 relaxation relaxation NOUN ispiv-91 13 26 times time NOUN ispiv-91 13 27 . . PUNCT ispiv-91 14 1 to to PART ispiv-91 14 2 measure measure VERB ispiv-91 14 3 return return VERB ispiv-91 14 4 to to ADP ispiv-91 14 5 equilibrium equilibrium NOUN ispiv-91 14 6 , , PUNCT ispiv-91 14 7 an an DET ispiv-91 14 8 experiment experiment NOUN ispiv-91 14 9 should should AUX ispiv-91 14 10 therefore therefore ADV ispiv-91 14 11 resolve resolve VERB ispiv-91 14 12 independently independently ADV ispiv-91 14 13 rotational rotational ADJ ispiv-91 14 14 and and CCONJ ispiv-91 14 15 vibrational vibrational ADJ ispiv-91 14 16 temperatures temperature NOUN ispiv-91 14 17 , , PUNCT ispiv-91 14 18 the the DET ispiv-91 14 19 relaxation relaxation NOUN ispiv-91 14 20 time time NOUN ispiv-91 14 21 will will AUX ispiv-91 14 22 be be AUX ispiv-91 14 23 the the DET ispiv-91 14 24 time time NOUN ispiv-91 14 25 at at ADP ispiv-91 14 26 which which PRON ispiv-91 14 27 the the DET ispiv-91 14 28 two two NUM ispiv-91 14 29 temperatures temperature NOUN ispiv-91 14 30 agree agree VERB ispiv-91 14 31 . . PUNCT ispiv-91 15 1 therefore therefore ADV ispiv-91 15 2 , , PUNCT ispiv-91 15 3 the the DET ispiv-91 15 4 thermal thermal ADJ ispiv-91 15 5 and and CCONJ ispiv-91 15 6 mechanical mechanical ADJ ispiv-91 15 7 relaxation relaxation NOUN ispiv-91 15 8 times time NOUN ispiv-91 15 9 will will AUX ispiv-91 15 10 be be AUX ispiv-91 15 11 determined determine VERB ispiv-91 15 12 experimentally experimentally ADV ispiv-91 15 13 . . PUNCT ispiv-91 16 1 they they PRON ispiv-91 16 2 depend depend VERB ispiv-91 16 3 on on ADP ispiv-91 16 4 temperature temperature NOUN ispiv-91 16 5 and and CCONJ ispiv-91 16 6 pressure pressure NOUN ispiv-91 16 7 and and CCONJ ispiv-91 16 8 are be AUX ispiv-91 16 9 on on ADP ispiv-91 16 10 the the DET ispiv-91 16 11 order order NOUN ispiv-91 16 12 of of ADP ispiv-91 16 13 tenth tenth NOUN ispiv-91 16 14 of of ADP ispiv-91 16 15 microseconds microsecond NOUN ispiv-91 16 16 or or CCONJ ispiv-91 16 17 longer long ADJ ispiv-91 16 18 for for ADP ispiv-91 16 19 the the DET ispiv-91 16 20 experimental experimental ADJ ispiv-91 16 21 cases case NOUN ispiv-91 16 22 that that PRON ispiv-91 16 23 will will AUX ispiv-91 16 24 be be AUX ispiv-91 16 25 considered consider VERB ispiv-91 16 26 here here ADV ispiv-91 16 27 . . PUNCT ispiv-91 17 1 the the DET ispiv-91 17 2 work work NOUN ispiv-91 17 3 presented present VERB ispiv-91 17 4 in in ADP ispiv-91 17 5 this this DET ispiv-91 17 6 paper paper NOUN ispiv-91 17 7 represents represent VERB ispiv-91 17 8 a a DET ispiv-91 17 9 first first ADJ ispiv-91 17 10 effort effort NOUN ispiv-91 17 11 in in ADP ispiv-91 17 12 the the DET ispiv-91 17 13 characterization characterization NOUN ispiv-91 17 14 of of ADP ispiv-91 17 15 the the DET ispiv-91 17 16 water water NOUN ispiv-91 17 17 hammer hammer NOUN ispiv-91 17 18 realized realize VERB ispiv-91 17 19 in in ADP ispiv-91 17 20 a a DET ispiv-91 17 21 new new ADJ ispiv-91 17 22 experimental experimental ADJ ispiv-91 17 23 facility facility NOUN ispiv-91 17 24 by by ADP ispiv-91 17 25 using use VERB ispiv-91 17 26 laser laser NOUN ispiv-91 17 27 measurements measurement NOUN ispiv-91 17 28 techniques technique NOUN ispiv-91 17 29 . . PUNCT ispiv-91 18 1 the the DET ispiv-91 18 2 facility facility NOUN ispiv-91 18 3 is be AUX ispiv-91 18 4 based base VERB ispiv-91 18 5 on on ADP ispiv-91 18 6 the the DET ispiv-91 18 7 rich rich ADJ ispiv-91 18 8 pipe pipe NOUN ispiv-91 18 9 concept concept NOUN ispiv-91 18 10 . . PUNCT ispiv-91 19 1 however however ADV ispiv-91 19 2 , , PUNCT ispiv-91 19 3 instead instead ADV ispiv-91 19 4 of of ADP ispiv-91 19 5 using use VERB ispiv-91 19 6 a a DET ispiv-91 19 7 drop drop NOUN ispiv-91 19 8 tower tower NOUN ispiv-91 19 9 , , PUNCT ispiv-91 19 10 a a DET ispiv-91 19 11 compressed compress VERB ispiv-91 19 12 air air NOUN ispiv-91 19 13 cannon cannon NOUN ispiv-91 19 14 has have AUX ispiv-91 19 15 been be AUX ispiv-91 19 16 constructed construct VERB ispiv-91 19 17 . . PUNCT ispiv-91 20 1 it it PRON ispiv-91 20 2 consists consist VERB ispiv-91 20 3 of of ADP ispiv-91 20 4 a a DET ispiv-91 20 5 driver driver NOUN ispiv-91 20 6 volume volume NOUN ispiv-91 20 7 and and CCONJ ispiv-91 20 8 a a DET ispiv-91 20 9 barrel barrel NOUN ispiv-91 20 10 . . PUNCT ispiv-91 21 1 the the DET ispiv-91 21 2 projectile projectile NOUN ispiv-91 21 3 is be AUX ispiv-91 21 4 a a DET ispiv-91 21 5 titanium titanium NOUN ispiv-91 21 6 pipe pipe NOUN ispiv-91 21 7 filled fill VERB ispiv-91 21 8 with with ADP ispiv-91 21 9 water water NOUN ispiv-91 21 10 that that PRON ispiv-91 21 11 will will AUX ispiv-91 21 12 go go VERB ispiv-91 21 13 water water NOUN ispiv-91 21 14 hammer hammer NOUN ispiv-91 21 15 when when SCONJ ispiv-91 21 16 the the DET ispiv-91 21 17 pipe pipe NOUN ispiv-91 21 18 hits hit VERB ispiv-91 21 19 a a DET ispiv-91 21 20 solid solid ADJ ispiv-91 21 21 obstacle obstacle NOUN ispiv-91 21 22 . . PUNCT ispiv-91 22 1 as as ADP ispiv-91 22 2 a a DET ispiv-91 22 3 first first ADJ ispiv-91 22 4 step step NOUN ispiv-91 22 5 for for ADP ispiv-91 22 6 the the DET ispiv-91 22 7 visualization visualization NOUN ispiv-91 22 8 of of ADP ispiv-91 22 9 the the DET ispiv-91 22 10 water water NOUN ispiv-91 22 11 flow flow NOUN ispiv-91 22 12 undergoing undergo VERB ispiv-91 22 13 water water NOUN ispiv-91 22 14 hammer hammer NOUN ispiv-91 22 15 a a DET ispiv-91 22 16 shadowgraphy shadowgraphy NOUN ispiv-91 22 17 technique technique NOUN ispiv-91 22 18 has have AUX ispiv-91 22 19 been be AUX ispiv-91 22 20 implemented implement VERB ispiv-91 22 21 . . PUNCT ispiv-91 23 1 then then ADV ispiv-91 23 2 a a DET ispiv-91 23 3 first first ADJ ispiv-91 23 4 of of ADP ispiv-91 23 5 a a DET ispiv-91 23 6 kind kind NOUN ispiv-91 23 7 very very ADV ispiv-91 23 8 high high ADJ ispiv-91 23 9 - - PUNCT ispiv-91 23 10 speed speed NOUN ispiv-91 23 11 piv piv NOUN ispiv-91 23 12 technique technique NOUN ispiv-91 23 13 has have AUX ispiv-91 23 14 been be AUX ispiv-91 23 15 implemented implement VERB ispiv-91 23 16 allowing allow VERB ispiv-91 23 17 to to PART ispiv-91 23 18 reach reach VERB ispiv-91 23 19 more more ADJ ispiv-91 23 20 than than ADP ispiv-91 23 21 100 100 NUM ispiv-91 23 22 frame frame NOUN ispiv-91 23 23 / / SYM ispiv-91 23 24 s. s. PROPN ispiv-91 23 25 this this DET ispiv-91 23 26 temporal temporal ADJ ispiv-91 23 27 resolution resolution NOUN ispiv-91 23 28 is be AUX ispiv-91 23 29 required require VERB ispiv-91 23 30 in in ADP ispiv-91 23 31 order order NOUN ispiv-91 23 32 to to PART ispiv-91 23 33 resolve resolve VERB ispiv-91 23 34 very very ADV ispiv-91 23 35 fast fast ADJ ispiv-91 23 36 transients transient NOUN ispiv-91 23 37 involved involve VERB ispiv-91 23 38 in in ADP ispiv-91 23 39 water water NOUN ispiv-91 23 40 hammer hammer NOUN ispiv-91 23 41 phenomena phenomenon NOUN ispiv-91 23 42 . . PUNCT ispiv-91 24 1 important important ADJ ispiv-91 24 2 challenges challenge NOUN ispiv-91 24 3 were be AUX ispiv-91 24 4 solved solve VERB ispiv-91 24 5 in in ADP ispiv-91 24 6 order order NOUN ispiv-91 24 7 to to PART ispiv-91 24 8 perform perform VERB ispiv-91 24 9 high high ADJ ispiv-91 24 10 speed speed NOUN ispiv-91 24 11 piv piv NOUN ispiv-91 24 12 measurements measurement NOUN ispiv-91 24 13 on on ADP ispiv-91 24 14 a a DET ispiv-91 24 15 moving move VERB ispiv-91 24 16 target target NOUN ispiv-91 24 17 , , PUNCT ispiv-91 24 18 and and CCONJ ispiv-91 24 19 they they PRON ispiv-91 24 20 will will AUX ispiv-91 24 21 be be AUX ispiv-91 24 22 illustrated illustrate VERB ispiv-91 24 23 in in ADP ispiv-91 24 24 this this DET ispiv-91 24 25 paper paper NOUN ispiv-91 24 26 . . PUNCT ispiv-91 25 1 to to ADP ispiv-91 25 2 the the DET ispiv-91 25 3 author author NOUN ispiv-91 25 4 knowledge knowledge NOUN ispiv-91 25 5 the the DET ispiv-91 25 6 implementation implementation NOUN ispiv-91 25 7 of of ADP ispiv-91 25 8 piv piv NOUN ispiv-91 25 9 measurements measurement NOUN ispiv-91 25 10 at at ADP ispiv-91 25 11 this this DET ispiv-91 25 12 temporal temporal ADJ ispiv-91 25 13 resolution resolution NOUN ispiv-91 25 14 represent represent VERB ispiv-91 25 15 a a DET ispiv-91 25 16 first first ADJ ispiv-91 25 17 of of ADP ispiv-91 25 18 a a DET ispiv-91 25 19 kind kind NOUN ispiv-91 25 20 . . PUNCT ispiv-91 26 1 some some DET ispiv-91 26 2 work work NOUN ispiv-91 26 3 has have AUX ispiv-91 26 4 been be AUX ispiv-91 26 5 done do VERB ispiv-91 26 6 on on ADP ispiv-91 26 7 water water NOUN ispiv-91 26 8 hammer hammer NOUN ispiv-91 26 9 piv piv NOUN ispiv-91 26 10 measurements measurement NOUN ispiv-91 26 11 , , PUNCT ispiv-91 26 12 with with ADP ispiv-91 26 13 focus focus NOUN ispiv-91 26 14 in in ADP ispiv-91 26 15 the the DET ispiv-91 26 16 spatial spatial ADJ ispiv-91 26 17 resolution resolution NOUN ispiv-91 26 18 , , PUNCT ispiv-91 26 19 but but CCONJ ispiv-91 26 20 at at ADP ispiv-91 26 21 low low ADJ ispiv-91 26 22 time time NOUN ispiv-91 26 23 resolution resolution NOUN ispiv-91 26 24 ( ( PUNCT ispiv-91 26 25 15 15 NUM ispiv-91 26 26 hz hz NOUN ispiv-91 26 27 ) ) PUNCT ispiv-91 26 28 as as SCONJ ispiv-91 26 29 described describe VERB ispiv-91 26 30 in in ADP ispiv-91 26 31 brito brito PROPN ispiv-91 26 32 et et PROPN ispiv-91 26 33 al al PROPN ispiv-91 26 34 . . PROPN ispiv-91 27 1 ( ( PUNCT ispiv-91 27 2 2014 2014 NUM ispiv-91 27 3 ) ) PUNCT ispiv-91 27 4 . . PUNCT ispiv-91 28 1 first first ADV ispiv-91 28 2 the the DET ispiv-91 28 3 experimental experimental ADJ ispiv-91 28 4 facility facility NOUN ispiv-91 28 5 and and CCONJ ispiv-91 28 6 its its PRON ispiv-91 28 7 main main ADJ ispiv-91 28 8 characteristics characteristic NOUN ispiv-91 28 9 will will AUX ispiv-91 28 10 be be AUX ispiv-91 28 11 presented present VERB ispiv-91 28 12 , , PUNCT ispiv-91 28 13 then then ADV ispiv-91 28 14 the the DET ispiv-91 28 15 laser laser NOUN ispiv-91 28 16 setup setup NOUN ispiv-91 28 17 and and CCONJ ispiv-91 28 18 the the DET ispiv-91 28 19 challenge challenge NOUN ispiv-91 28 20 due due ADP ispiv-91 28 21 to to ADP ispiv-91 28 22 the the DET ispiv-91 28 23 specific specific ADJ ispiv-91 28 24 configuration configuration NOUN ispiv-91 28 25 will will AUX ispiv-91 28 26 be be AUX ispiv-91 28 27 illustrated illustrate VERB ispiv-91 28 28 . . PUNCT ispiv-91 29 1 finally finally ADV ispiv-91 29 2 , , PUNCT ispiv-91 29 3 main main ADJ ispiv-91 29 4 results result NOUN ispiv-91 29 5 obtained obtain VERB ispiv-91 29 6 with with ADP ispiv-91 29 7 both both CCONJ ispiv-91 29 8 shadowgraphy shadowgraphy NOUN ispiv-91 29 9 and and CCONJ ispiv-91 29 10 piv piv NOUN ispiv-91 29 11 techniques technique NOUN ispiv-91 29 12 will will AUX ispiv-91 29 13 be be AUX ispiv-91 29 14 illustrated illustrate VERB ispiv-91 29 15 . . PUNCT ispiv-91 30 1 finally finally ADV ispiv-91 30 2 , , PUNCT ispiv-91 30 3 discussion discussion NOUN ispiv-91 30 4 will will AUX ispiv-91 30 5 be be AUX ispiv-91 30 6 opened open VERB ispiv-91 30 7 on on ADP ispiv-91 30 8 the the DET ispiv-91 30 9 further further ADJ ispiv-91 30 10 steps step NOUN ispiv-91 30 11 for for ADP ispiv-91 30 12 quantitative quantitative ADJ ispiv-91 30 13 measurements measurement NOUN ispiv-91 30 14 of of ADP ispiv-91 30 15 relaxation relaxation NOUN ispiv-91 30 16 constants constant NOUN ispiv-91 30 17 by by ADP ispiv-91 30 18 using use VERB ispiv-91 30 19 advanced advanced ADJ ispiv-91 30 20 techniques technique NOUN ispiv-91 30 21 such such ADJ ispiv-91 30 22 as as ADP ispiv-91 30 23 ultrafast ultrafast ADJ ispiv-91 30 24 absorption absorption NOUN ispiv-91 30 25 spectroscopy spectroscopy NOUN ispiv-91 30 26 with with ADP ispiv-91 30 27 femtosecond femtosecond NOUN ispiv-91 30 28 lasers laser NOUN ispiv-91 30 29 . . PUNCT ispiv-91 31 1 figure figure VERB ispiv-91 31 2 1 1 NUM ispiv-91 31 3 : : PUNCT ispiv-91 31 4 schematic schematic ADJ ispiv-91 31 5 view view NOUN ispiv-91 31 6 of of ADP ispiv-91 31 7 the the DET ispiv-91 31 8 compressed compressed ADJ ispiv-91 31 9 air air NOUN ispiv-91 31 10 cannon cannon NOUN ispiv-91 31 11 . . PUNCT ispiv-91 32 1 2 2 NUM ispiv-91 32 2 experimental experimental ADJ ispiv-91 32 3 facility facility NOUN ispiv-91 32 4 as as SCONJ ispiv-91 32 5 already already ADV ispiv-91 32 6 mentioned mention VERB ispiv-91 32 7 above above ADV ispiv-91 32 8 , , PUNCT ispiv-91 32 9 the the DET ispiv-91 32 10 facility facility NOUN ispiv-91 32 11 consists consist VERB ispiv-91 32 12 of of ADP ispiv-91 32 13 a a DET ispiv-91 32 14 compressed compressed ADJ ispiv-91 32 15 air air NOUN ispiv-91 32 16 cannon cannon NOUN ispiv-91 32 17 . . PUNCT ispiv-91 33 1 this this DET ispiv-91 33 2 design design NOUN ispiv-91 33 3 has have AUX ispiv-91 33 4 been be AUX ispiv-91 33 5 chosen choose VERB ispiv-91 33 6 in in ADP ispiv-91 33 7 order order NOUN ispiv-91 33 8 to to PART ispiv-91 33 9 improve improve VERB ispiv-91 33 10 the the DET ispiv-91 33 11 repeatability repeatability NOUN ispiv-91 33 12 of of ADP ispiv-91 33 13 the the DET ispiv-91 33 14 experiments experiment NOUN ispiv-91 33 15 and and CCONJ ispiv-91 33 16 to to PART ispiv-91 33 17 have have VERB ispiv-91 33 18 the the DET ispiv-91 33 19 final final ADJ ispiv-91 33 20 velocity velocity NOUN ispiv-91 33 21 and and CCONJ ispiv-91 33 22 direction direction NOUN ispiv-91 33 23 of of ADP ispiv-91 33 24 the the DET ispiv-91 33 25 projectile projectile NOUN ispiv-91 33 26 to to PART ispiv-91 33 27 be be AUX ispiv-91 33 28 identical identical ADJ ispiv-91 33 29 at at ADP ispiv-91 33 30 each each DET ispiv-91 33 31 shot shot NOUN ispiv-91 33 32 as as ADV ispiv-91 33 33 much much ADV ispiv-91 33 34 as as ADP ispiv-91 33 35 possible possible ADJ ispiv-91 33 36 . . PUNCT ispiv-91 34 1 some some DET ispiv-91 34 2 modifications modification NOUN ispiv-91 34 3 have have AUX ispiv-91 34 4 been be AUX ispiv-91 34 5 done do VERB ispiv-91 34 6 on on ADP ispiv-91 34 7 the the DET ispiv-91 34 8 piston piston NOUN ispiv-91 34 9 and and CCONJ ispiv-91 34 10 cylinder cylinder NOUN ispiv-91 34 11 system system NOUN ispiv-91 34 12 in in ADP ispiv-91 34 13 order order NOUN ispiv-91 34 14 to to PART ispiv-91 34 15 improve improve VERB ispiv-91 34 16 the the DET ispiv-91 34 17 repeatability repeatability NOUN ispiv-91 34 18 and and CCONJ ispiv-91 34 19 to to PART ispiv-91 34 20 maximize maximize VERB ispiv-91 34 21 the the DET ispiv-91 34 22 discharge discharge NOUN ispiv-91 34 23 speed speed NOUN ispiv-91 34 24 of of ADP ispiv-91 34 25 the the DET ispiv-91 34 26 chambers chamber NOUN ispiv-91 34 27 . . PUNCT ispiv-91 35 1 in in ADP ispiv-91 35 2 other other ADJ ispiv-91 35 3 standard standard ADJ ispiv-91 35 4 applications application NOUN ispiv-91 35 5 ( ( PUNCT ispiv-91 35 6 rohrbach rohrbach VERB ispiv-91 35 7 et et PROPN ispiv-91 35 8 al al PROPN ispiv-91 35 9 . . PROPN ispiv-91 35 10 , , PUNCT ispiv-91 35 11 2012 2012 NUM ispiv-91 35 12 ) ) PUNCT ispiv-91 35 13 we we PRON ispiv-91 35 14 usually usually ADV ispiv-91 35 15 find find VERB ispiv-91 35 16 a a DET ispiv-91 35 17 valve valve NOUN ispiv-91 35 18 which which PRON ispiv-91 35 19 brings bring VERB ispiv-91 35 20 the the DET ispiv-91 35 21 air air NOUN ispiv-91 35 22 into into ADP ispiv-91 35 23 the the DET ispiv-91 35 24 barrel barrel NOUN ispiv-91 35 25 and and CCONJ ispiv-91 35 26 which which PRON ispiv-91 35 27 gives give VERB ispiv-91 35 28 thus thus ADV ispiv-91 35 29 the the DET ispiv-91 35 30 trust trust NOUN ispiv-91 35 31 force force NOUN ispiv-91 35 32 to to ADP ispiv-91 35 33 the the DET ispiv-91 35 34 projectile projectile NOUN ispiv-91 35 35 . . PUNCT ispiv-91 36 1 since since SCONJ ispiv-91 36 2 , , PUNCT ispiv-91 36 3 for for ADP ispiv-91 36 4 our our PRON ispiv-91 36 5 application application NOUN ispiv-91 36 6 we we PRON ispiv-91 36 7 are be AUX ispiv-91 36 8 in in ADP ispiv-91 36 9 the the DET ispiv-91 36 10 conditions condition NOUN ispiv-91 36 11 of of ADP ispiv-91 36 12 chocked chocked ADJ ispiv-91 36 13 regime regime NOUN ispiv-91 36 14 , , PUNCT ispiv-91 36 15 this this PRON ispiv-91 36 16 means mean VERB ispiv-91 36 17 the the DET ispiv-91 36 18 air air NOUN ispiv-91 36 19 mass mass PROPN ispiv-91 36 20 flow flow NOUN ispiv-91 36 21 rate rate NOUN ispiv-91 36 22 ( ( PUNCT ispiv-91 36 23 ṁ ṁ PROPN ispiv-91 36 24 ) ) PUNCT ispiv-91 36 25 directly directly ADV ispiv-91 36 26 depends depend VERB ispiv-91 36 27 on on ADP ispiv-91 36 28 the the DET ispiv-91 36 29 diameter diameter NOUN ispiv-91 36 30 of of ADP ispiv-91 36 31 the the DET ispiv-91 36 32 valve valve NOUN ispiv-91 36 33 , , PUNCT ispiv-91 36 34 as as SCONJ ispiv-91 36 35 expressed express VERB ispiv-91 36 36 by by ADP ispiv-91 36 37 equation equation NOUN ispiv-91 36 38 of of ADP ispiv-91 36 39 the the DET ispiv-91 36 40 chocked chocked ADJ ispiv-91 36 41 regime regime NOUN ispiv-91 36 42 : : PUNCT ispiv-91 36 43 ṁ ṁ PROPN ispiv-91 36 44 = = SYM ispiv-91 36 45 cda cda PROPN ispiv-91 36 46 √ √ NOUN ispiv-91 36 47 ργ(p1 ργ(p1 NOUN ispiv-91 36 48 −patm −patm NOUN ispiv-91 36 49 ) ) PUNCT ispiv-91 36 50 ( ( PUNCT ispiv-91 36 51 2 2 NUM ispiv-91 36 52 γ+1 γ+1 ADJ ispiv-91 36 53 ) ) PUNCT ispiv-91 37 1 γ+1 γ+1 PROPN ispiv-91 37 2 γ−1 γ−1 PROPN ispiv-91 37 3 ( ( PUNCT ispiv-91 37 4 1 1 NUM ispiv-91 37 5 ) ) PUNCT ispiv-91 37 6 where where SCONJ ispiv-91 37 7 p1 p1 NOUN ispiv-91 37 8 is be AUX ispiv-91 37 9 the the DET ispiv-91 37 10 pressure pressure NOUN ispiv-91 37 11 of of ADP ispiv-91 37 12 the the DET ispiv-91 37 13 front front ADJ ispiv-91 37 14 chamber chamber NOUN ispiv-91 37 15 , , PUNCT ispiv-91 37 16 patm patm PROPN ispiv-91 37 17 is be AUX ispiv-91 37 18 the the DET ispiv-91 37 19 atmospheric atmospheric ADJ ispiv-91 37 20 pressure pressure NOUN ispiv-91 37 21 at at ADP ispiv-91 37 22 the the DET ispiv-91 37 23 outlet outlet NOUN ispiv-91 37 24 of of ADP ispiv-91 37 25 the the DET ispiv-91 37 26 barrel barrel NOUN ispiv-91 37 27 , , PUNCT ispiv-91 37 28 cd cd PROPN ispiv-91 37 29 is be AUX ispiv-91 37 30 a a DET ispiv-91 37 31 dimensionless dimensionless ADJ ispiv-91 37 32 discharge discharge NOUN ispiv-91 37 33 coefficient coefficient NOUN ispiv-91 37 34 , , PUNCT ispiv-91 37 35 ρ ρ PROPN ispiv-91 37 36 is be AUX ispiv-91 37 37 the the DET ispiv-91 37 38 density density NOUN ispiv-91 37 39 of of ADP ispiv-91 37 40 the the DET ispiv-91 37 41 gas gas NOUN ispiv-91 37 42 and and CCONJ ispiv-91 37 43 γ γ X ispiv-91 37 44 = = PUNCT ispiv-91 37 45 cp cp PROPN ispiv-91 37 46 / / SYM ispiv-91 37 47 cv cv PROPN ispiv-91 37 48 ratio ratio NOUN ispiv-91 37 49 of of ADP ispiv-91 37 50 the the DET ispiv-91 37 51 gas gas NOUN ispiv-91 37 52 and and CCONJ ispiv-91 37 53 a a PRON ispiv-91 37 54 is be AUX ispiv-91 37 55 the the DET ispiv-91 37 56 cross cross NOUN ispiv-91 37 57 section section NOUN ispiv-91 37 58 of of ADP ispiv-91 37 59 the the DET ispiv-91 37 60 barrel barrel NOUN ispiv-91 37 61 ( ( PUNCT ispiv-91 37 62 or or CCONJ ispiv-91 37 63 of of ADP ispiv-91 37 64 the the DET ispiv-91 37 65 valve valve NOUN ispiv-91 37 66 in in ADP ispiv-91 37 67 other other ADJ ispiv-91 37 68 situations situation NOUN ispiv-91 37 69 ) ) PUNCT ispiv-91 37 70 . . PUNCT ispiv-91 38 1 since since SCONJ ispiv-91 38 2 commercial commercial ADJ ispiv-91 38 3 solenoid solenoid NOUN ispiv-91 38 4 valves valve NOUN ispiv-91 38 5 have have VERB ispiv-91 38 6 by by ADP ispiv-91 38 7 design design NOUN ispiv-91 38 8 a a DET ispiv-91 38 9 very very ADV ispiv-91 38 10 narrow narrow ADJ ispiv-91 38 11 cross cross NOUN ispiv-91 38 12 section section NOUN ispiv-91 38 13 , , PUNCT ispiv-91 38 14 this this PRON ispiv-91 38 15 means mean VERB ispiv-91 38 16 that that SCONJ ispiv-91 38 17 the the DET ispiv-91 38 18 mass mass NOUN ispiv-91 38 19 flow flow NOUN ispiv-91 38 20 rate rate NOUN ispiv-91 38 21 of of ADP ispiv-91 38 22 the the DET ispiv-91 38 23 discharge discharge NOUN ispiv-91 38 24 chocked chocked ADJ ispiv-91 38 25 flow flow NOUN ispiv-91 38 26 will will AUX ispiv-91 38 27 be be AUX ispiv-91 38 28 very very ADV ispiv-91 38 29 limited limited ADJ ispiv-91 38 30 , , PUNCT ispiv-91 38 31 so so CCONJ ispiv-91 38 32 meaning mean VERB ispiv-91 38 33 that that SCONJ ispiv-91 38 34 the the DET ispiv-91 38 35 pressure pressure NOUN ispiv-91 38 36 differential differential NOUN ispiv-91 38 37 that that SCONJ ispiv-91 38 38 the the DET ispiv-91 38 39 projectile projectile NOUN ispiv-91 38 40 experience experience NOUN ispiv-91 38 41 will will AUX ispiv-91 38 42 be be AUX ispiv-91 38 43 not not PART ispiv-91 38 44 the the DET ispiv-91 38 45 total total ADJ ispiv-91 38 46 pressure pressure NOUN ispiv-91 38 47 difference difference NOUN ispiv-91 38 48 between between ADP ispiv-91 38 49 the the DET ispiv-91 38 50 front front ADJ ispiv-91 38 51 chamber chamber NOUN ispiv-91 38 52 and and CCONJ ispiv-91 38 53 the the DET ispiv-91 38 54 atmospheric atmospheric ADJ ispiv-91 38 55 pressure pressure NOUN ispiv-91 38 56 . . PUNCT ispiv-91 39 1 in in ADP ispiv-91 39 2 order order NOUN ispiv-91 39 3 to to PART ispiv-91 39 4 have have AUX ispiv-91 39 5 a a DET ispiv-91 39 6 trust trust NOUN ispiv-91 39 7 force force NOUN ispiv-91 39 8 the the DET ispiv-91 39 9 most most ADV ispiv-91 39 10 efficient efficient ADJ ispiv-91 39 11 , , PUNCT ispiv-91 39 12 we we PRON ispiv-91 39 13 want want VERB ispiv-91 39 14 the the DET ispiv-91 39 15 projectile projectile NOUN ispiv-91 39 16 to to PART ispiv-91 39 17 experience experience VERB ispiv-91 39 18 the the DET ispiv-91 39 19 whole whole ADJ ispiv-91 39 20 pressure pressure NOUN ispiv-91 39 21 difference difference NOUN ispiv-91 39 22 ideally ideally ADV ispiv-91 39 23 instantaneously instantaneously ADV ispiv-91 39 24 . . PUNCT ispiv-91 40 1 we we PRON ispiv-91 40 2 can can AUX ispiv-91 40 3 not not PART ispiv-91 40 4 achieve achieve VERB ispiv-91 40 5 the the DET ispiv-91 40 6 instantaneity instantaneity NOUN ispiv-91 40 7 but but CCONJ ispiv-91 40 8 increasing increase VERB ispiv-91 40 9 the the DET ispiv-91 40 10 cross cross NOUN ispiv-91 40 11 sections section NOUN ispiv-91 40 12 we we PRON ispiv-91 40 13 can can AUX ispiv-91 40 14 increase increase VERB ispiv-91 40 15 the the DET ispiv-91 40 16 discharge discharge NOUN ispiv-91 40 17 flow flow NOUN ispiv-91 40 18 rate rate NOUN ispiv-91 40 19 . . PUNCT ispiv-91 41 1 so so ADV ispiv-91 41 2 , , PUNCT ispiv-91 41 3 the the DET ispiv-91 41 4 maximum maximum ADJ ispiv-91 41 5 we we PRON ispiv-91 41 6 can can AUX ispiv-91 41 7 achieve achieve VERB ispiv-91 41 8 , , PUNCT ispiv-91 41 9 is be AUX ispiv-91 41 10 when when SCONJ ispiv-91 41 11 the the DET ispiv-91 41 12 front front ADJ ispiv-91 41 13 chamber chamber NOUN ispiv-91 41 14 directly directly ADV ispiv-91 41 15 discharges discharge NOUN ispiv-91 41 16 into into ADP ispiv-91 41 17 the the DET ispiv-91 41 18 barrel barrel NOUN ispiv-91 41 19 . . PUNCT ispiv-91 42 1 in in ADP ispiv-91 42 2 order order NOUN ispiv-91 42 3 to to PART ispiv-91 42 4 achieve achieve VERB ispiv-91 42 5 this this DET ispiv-91 42 6 goal goal NOUN ispiv-91 42 7 , , PUNCT ispiv-91 42 8 the the DET ispiv-91 42 9 piston piston NOUN ispiv-91 42 10 rod rod NOUN ispiv-91 42 11 has have AUX ispiv-91 42 12 been be AUX ispiv-91 42 13 modified modify VERB ispiv-91 42 14 ( ( PUNCT ispiv-91 42 15 shortened shorten VERB ispiv-91 42 16 ) ) PUNCT ispiv-91 42 17 and and CCONJ ispiv-91 42 18 a a DET ispiv-91 42 19 front front ADJ ispiv-91 42 20 plate plate NOUN ispiv-91 42 21 is be AUX ispiv-91 42 22 added add VERB ispiv-91 42 23 to to ADP ispiv-91 42 24 the the DET ispiv-91 42 25 piston piston NOUN ispiv-91 42 26 rod rod NOUN ispiv-91 42 27 ( ( PUNCT ispiv-91 42 28 with with ADP ispiv-91 42 29 an an DET ispiv-91 42 30 o o NOUN ispiv-91 42 31 ’ ' PUNCT ispiv-91 42 32 ring ring NOUN ispiv-91 42 33 for for ADP ispiv-91 42 34 the the DET ispiv-91 42 35 sealing sealing NOUN ispiv-91 42 36 . . PUNCT ispiv-91 42 37 ) ) PUNCT ispiv-91 42 38 . . PUNCT ispiv-91 43 1 so so ADV ispiv-91 43 2 now now ADV ispiv-91 43 3 the the DET ispiv-91 43 4 cylinder cylinder NOUN ispiv-91 43 5 has have VERB ispiv-91 43 6 two two NUM ispiv-91 43 7 chambers chamber NOUN ispiv-91 43 8 , , PUNCT ispiv-91 43 9 the the DET ispiv-91 43 10 back back ADJ ispiv-91 43 11 chamber chamber NOUN ispiv-91 43 12 and and CCONJ ispiv-91 43 13 the the DET ispiv-91 43 14 front front ADJ ispiv-91 43 15 chamber chamber NOUN ispiv-91 43 16 . . PUNCT ispiv-91 44 1 the the DET ispiv-91 44 2 front front ADJ ispiv-91 44 3 chamber chamber NOUN ispiv-91 44 4 is be AUX ispiv-91 44 5 the the DET ispiv-91 44 6 chamber chamber NOUN ispiv-91 44 7 where where SCONJ ispiv-91 44 8 all all DET ispiv-91 44 9 the the DET ispiv-91 44 10 gas gas NOUN ispiv-91 44 11 which which PRON ispiv-91 44 12 will will AUX ispiv-91 44 13 fire fire VERB ispiv-91 44 14 the the DET ispiv-91 44 15 projectile projectile NOUN ispiv-91 44 16 is be AUX ispiv-91 44 17 stored store VERB ispiv-91 44 18 , , PUNCT ispiv-91 44 19 while while SCONJ ispiv-91 44 20 the the DET ispiv-91 44 21 back back NOUN ispiv-91 44 22 chamber chamber NOUN ispiv-91 44 23 is be AUX ispiv-91 44 24 needed need VERB ispiv-91 44 25 to to PART ispiv-91 44 26 push push VERB ispiv-91 44 27 the the DET ispiv-91 44 28 front front ADJ ispiv-91 44 29 plate plate NOUN ispiv-91 44 30 of of ADP ispiv-91 44 31 the the DET ispiv-91 44 32 cylinder cylinder NOUN ispiv-91 44 33 rod rod NOUN ispiv-91 44 34 towards towards ADP ispiv-91 44 35 the the DET ispiv-91 44 36 wall wall NOUN ispiv-91 44 37 of of ADP ispiv-91 44 38 the the DET ispiv-91 44 39 barrel barrel NOUN ispiv-91 44 40 for for ADP ispiv-91 44 41 sealing seal VERB ispiv-91 44 42 the the DET ispiv-91 44 43 front front ADJ ispiv-91 44 44 chamber chamber NOUN ispiv-91 44 45 . . PUNCT ispiv-91 45 1 for for ADP ispiv-91 45 2 the the DET ispiv-91 45 3 same same ADJ ispiv-91 45 4 reasons reason NOUN ispiv-91 45 5 , , PUNCT ispiv-91 45 6 the the DET ispiv-91 45 7 outlet outlet NOUN ispiv-91 45 8 nozzle nozzle NOUN ispiv-91 45 9 of of ADP ispiv-91 45 10 the the DET ispiv-91 45 11 back back NOUN ispiv-91 45 12 chamber chamber NOUN ispiv-91 45 13 is be AUX ispiv-91 45 14 much much ADV ispiv-91 45 15 larger large ADJ ispiv-91 45 16 than than ADP ispiv-91 45 17 the the DET ispiv-91 45 18 inlet inlet NOUN ispiv-91 45 19 nozzle nozzle NOUN ispiv-91 45 20 , , PUNCT ispiv-91 45 21 so so SCONJ ispiv-91 45 22 the the DET ispiv-91 45 23 back back ADJ ispiv-91 45 24 chamber chamber NOUN ispiv-91 45 25 could could AUX ispiv-91 45 26 be be AUX ispiv-91 45 27 emptied empty VERB ispiv-91 45 28 as as ADV ispiv-91 45 29 fast fast ADV ispiv-91 45 30 as as ADP ispiv-91 45 31 possible possible ADJ ispiv-91 45 32 . . PUNCT ispiv-91 46 1 in in ADP ispiv-91 46 2 order order NOUN ispiv-91 46 3 to to PART ispiv-91 46 4 minimize minimize VERB ispiv-91 46 5 the the DET ispiv-91 46 6 time time NOUN ispiv-91 46 7 for for SCONJ ispiv-91 46 8 the the DET ispiv-91 46 9 gas gas NOUN ispiv-91 46 10 to to PART ispiv-91 46 11 flow flow VERB ispiv-91 46 12 from from ADP ispiv-91 46 13 the the DET ispiv-91 46 14 back back NOUN ispiv-91 46 15 chamber chamber NOUN ispiv-91 46 16 , , PUNCT ispiv-91 46 17 and and CCONJ ispiv-91 46 18 also also ADV ispiv-91 46 19 to to PART ispiv-91 46 20 maximize maximize VERB ispiv-91 46 21 the the DET ispiv-91 46 22 volume volume NOUN ispiv-91 46 23 of of ADP ispiv-91 46 24 the the DET ispiv-91 46 25 front front ADJ ispiv-91 46 26 chamber chamber NOUN ispiv-91 46 27 , , PUNCT ispiv-91 46 28 we we PRON ispiv-91 46 29 want want VERB ispiv-91 46 30 the the DET ispiv-91 46 31 volume volume NOUN ispiv-91 46 32 of of ADP ispiv-91 46 33 the the DET ispiv-91 46 34 back back ADJ ispiv-91 46 35 chamber chamber NOUN ispiv-91 46 36 to to PART ispiv-91 46 37 be be AUX ispiv-91 46 38 as as ADV ispiv-91 46 39 small small ADJ ispiv-91 46 40 as as ADP ispiv-91 46 41 possible possible ADJ ispiv-91 46 42 . . PUNCT ispiv-91 47 1 after after SCONJ ispiv-91 47 2 all all DET ispiv-91 47 3 these these DET ispiv-91 47 4 design design NOUN ispiv-91 47 5 considerations consideration NOUN ispiv-91 47 6 have have AUX ispiv-91 47 7 been be AUX ispiv-91 47 8 done do VERB ispiv-91 47 9 , , PUNCT ispiv-91 47 10 we we PRON ispiv-91 47 11 were be AUX ispiv-91 47 12 able able ADJ ispiv-91 47 13 to to PART ispiv-91 47 14 design design VERB ispiv-91 47 15 the the DET ispiv-91 47 16 size size NOUN ispiv-91 47 17 of of ADP ispiv-91 47 18 our our PRON ispiv-91 47 19 system system NOUN ispiv-91 47 20 . . PUNCT ispiv-91 48 1 a a DET ispiv-91 48 2 cylinder cylinder NOUN ispiv-91 48 3 of of ADP ispiv-91 48 4 15.24 15.24 NUM ispiv-91 48 5 cm cm NOUN ispiv-91 48 6 diameter diameter NOUN ispiv-91 48 7 with with ADP ispiv-91 48 8 a a DET ispiv-91 48 9 35.56 35.56 NUM ispiv-91 48 10 cm cm NOUN ispiv-91 48 11 stroke stroke NOUN ispiv-91 48 12 has have AUX ispiv-91 48 13 been be AUX ispiv-91 48 14 used use VERB ispiv-91 48 15 . . PUNCT ispiv-91 49 1 the the DET ispiv-91 49 2 piston piston NOUN ispiv-91 49 3 rod rod NOUN ispiv-91 49 4 and and CCONJ ispiv-91 49 5 the the DET ispiv-91 49 6 piston piston NOUN ispiv-91 49 7 have have VERB ispiv-91 49 8 a a DET ispiv-91 49 9 total total ADJ ispiv-91 49 10 length length NOUN ispiv-91 49 11 of of ADP ispiv-91 49 12 30.48 30.48 NUM ispiv-91 49 13 cm cm NOUN ispiv-91 49 14 , , PUNCT ispiv-91 49 15 which which PRON ispiv-91 49 16 thus thus ADV ispiv-91 49 17 leaves leave VERB ispiv-91 49 18 a a DET ispiv-91 49 19 back back ADJ ispiv-91 49 20 chamber chamber NOUN ispiv-91 49 21 of of ADP ispiv-91 49 22 5.08 5.08 NUM ispiv-91 49 23 cm cm NOUN ispiv-91 49 24 long long ADV ispiv-91 49 25 and and CCONJ ispiv-91 49 26 a a DET ispiv-91 49 27 front front ADJ ispiv-91 49 28 chamber chamber NOUN ispiv-91 49 29 of of ADP ispiv-91 49 30 25.4 25.4 NUM ispiv-91 49 31 cm cm NOUN ispiv-91 49 32 figure figure NOUN ispiv-91 49 33 2 2 NUM ispiv-91 49 34 : : PUNCT ispiv-91 49 35 picture picture NOUN ispiv-91 49 36 of of ADP ispiv-91 49 37 the the DET ispiv-91 49 38 assembled assemble VERB ispiv-91 49 39 air air NOUN ispiv-91 49 40 cannon cannon NOUN ispiv-91 49 41 . . PUNCT ispiv-91 50 1 figure figure VERB ispiv-91 50 2 3 3 NUM ispiv-91 50 3 : : PUNCT ispiv-91 50 4 frame frame NOUN ispiv-91 50 5 of of ADP ispiv-91 50 6 the the DET ispiv-91 50 7 projectile projectile NOUN ispiv-91 50 8 exiting exit VERB ispiv-91 50 9 the the DET ispiv-91 50 10 barrel barrel NOUN ispiv-91 50 11 . . PUNCT ispiv-91 51 1 long long ADV ispiv-91 51 2 . . PUNCT ispiv-91 52 1 a a DET ispiv-91 52 2 very very ADV ispiv-91 52 3 high high ADJ ispiv-91 52 4 precision precision NOUN ispiv-91 52 5 barrel barrel NOUN ispiv-91 52 6 has have AUX ispiv-91 52 7 been be AUX ispiv-91 52 8 used use VERB ispiv-91 52 9 with with ADP ispiv-91 52 10 an an DET ispiv-91 52 11 inner inner ADJ ispiv-91 52 12 diameter diameter NOUN ispiv-91 52 13 of of ADP ispiv-91 52 14 5.08762 5.08762 NUM ispiv-91 52 15 cm+ cm+ NOUN ispiv-91 52 16 0.01778 0.01778 NUM ispiv-91 52 17 cm− cm− PROPN ispiv-91 52 18 0.000 0.000 NUM ispiv-91 52 19 cm cm NOUN ispiv-91 52 20 and and CCONJ ispiv-91 52 21 2 2 NUM ispiv-91 52 22 m m NOUN ispiv-91 52 23 long long ADJ ispiv-91 52 24 . . PUNCT ispiv-91 53 1 the the DET ispiv-91 53 2 maximum maximum PROPN ispiv-91 53 3 service service NOUN ispiv-91 53 4 pressure pressure NOUN ispiv-91 53 5 of of ADP ispiv-91 53 6 the the DET ispiv-91 53 7 chambers chamber NOUN ispiv-91 53 8 is be AUX ispiv-91 53 9 1.7 1.7 NUM ispiv-91 53 10 mpa mpa NOUN ispiv-91 53 11 , , PUNCT ispiv-91 53 12 which which PRON ispiv-91 53 13 is be AUX ispiv-91 53 14 thus thus ADV ispiv-91 53 15 capable capable ADJ ispiv-91 53 16 of of ADP ispiv-91 53 17 firing fire VERB ispiv-91 53 18 a a DET ispiv-91 53 19 projectile projectile NOUN ispiv-91 53 20 of of ADP ispiv-91 53 21 about about ADV ispiv-91 53 22 2 2 NUM ispiv-91 53 23 kg kg NOUN ispiv-91 53 24 at at ADP ispiv-91 53 25 a a DET ispiv-91 53 26 velocity velocity NOUN ispiv-91 53 27 of of ADP ispiv-91 53 28 about about ADV ispiv-91 53 29 70 70 NUM ispiv-91 53 30 m m NOUN ispiv-91 53 31 / / SYM ispiv-91 53 32 s s X ispiv-91 53 33 ( ( PUNCT ispiv-91 53 34 at at ADP ispiv-91 53 35 the the DET ispiv-91 53 36 outlet outlet NOUN ispiv-91 53 37 of of ADP ispiv-91 53 38 the the DET ispiv-91 53 39 barrel barrel NOUN ispiv-91 53 40 ) ) PUNCT ispiv-91 53 41 . . PUNCT ispiv-91 54 1 one one PRON ispiv-91 54 2 can can AUX ispiv-91 54 3 thus thus ADV ispiv-91 54 4 imagine imagine VERB ispiv-91 54 5 that that SCONJ ispiv-91 54 6 the the DET ispiv-91 54 7 pressure pressure NOUN ispiv-91 54 8 on on ADP ispiv-91 54 9 the the DET ispiv-91 54 10 back back NOUN ispiv-91 54 11 chamber chamber NOUN ispiv-91 54 12 should should AUX ispiv-91 54 13 be be AUX ispiv-91 54 14 greater great ADJ ispiv-91 54 15 than than ADP ispiv-91 54 16 the the DET ispiv-91 54 17 pressure pressure NOUN ispiv-91 54 18 in in ADP ispiv-91 54 19 the the DET ispiv-91 54 20 front front ADJ ispiv-91 54 21 chamber chamber NOUN ispiv-91 54 22 in in ADP ispiv-91 54 23 order order NOUN ispiv-91 54 24 to to PART ispiv-91 54 25 insure insure VERB ispiv-91 54 26 the the DET ispiv-91 54 27 sealing sealing NOUN ispiv-91 54 28 of of ADP ispiv-91 54 29 the the DET ispiv-91 54 30 front front ADJ ispiv-91 54 31 chamber chamber NOUN ispiv-91 54 32 . . PUNCT ispiv-91 55 1 one one PRON ispiv-91 55 2 should should AUX ispiv-91 55 3 remark remark VERB ispiv-91 55 4 that that SCONJ ispiv-91 55 5 since since SCONJ ispiv-91 55 6 the the DET ispiv-91 55 7 front front ADJ ispiv-91 55 8 plate plate NOUN ispiv-91 55 9 also also ADV ispiv-91 55 10 experiences experience VERB ispiv-91 55 11 a a DET ispiv-91 55 12 pressure pressure NOUN ispiv-91 55 13 gap gap NOUN ispiv-91 55 14 , , PUNCT ispiv-91 55 15 the the DET ispiv-91 55 16 active active ADJ ispiv-91 55 17 surface surface NOUN ispiv-91 55 18 where where SCONJ ispiv-91 55 19 the the DET ispiv-91 55 20 front front ADJ ispiv-91 55 21 chamber chamber NOUN ispiv-91 55 22 pushes push NOUN ispiv-91 55 23 is be AUX ispiv-91 55 24 smaller small ADJ ispiv-91 55 25 than than ADP ispiv-91 55 26 the the DET ispiv-91 55 27 surface surface NOUN ispiv-91 55 28 of of ADP ispiv-91 55 29 the the DET ispiv-91 55 30 back back NOUN ispiv-91 55 31 chamber chamber NOUN ispiv-91 55 32 , , PUNCT ispiv-91 55 33 then then ADV ispiv-91 55 34 this this PRON ispiv-91 55 35 means mean VERB ispiv-91 55 36 that that SCONJ ispiv-91 55 37 even even ADV ispiv-91 55 38 without without ADP ispiv-91 55 39 any any DET ispiv-91 55 40 pressure pressure NOUN ispiv-91 55 41 difference difference NOUN ispiv-91 55 42 between between ADP ispiv-91 55 43 the the DET ispiv-91 55 44 back back NOUN ispiv-91 55 45 and and CCONJ ispiv-91 55 46 the the DET ispiv-91 55 47 front front ADJ ispiv-91 55 48 chamber chamber NOUN ispiv-91 55 49 we we PRON ispiv-91 55 50 will will AUX ispiv-91 55 51 have have AUX ispiv-91 55 52 resultant resultant VERB ispiv-91 55 53 force force NOUN ispiv-91 55 54 which which PRON ispiv-91 55 55 pushes push VERB ispiv-91 55 56 the the DET ispiv-91 55 57 front front ADJ ispiv-91 55 58 plate plate NOUN ispiv-91 55 59 towards towards ADP ispiv-91 55 60 the the DET ispiv-91 55 61 wall wall NOUN ispiv-91 55 62 . . PUNCT ispiv-91 56 1 after after ADP ispiv-91 56 2 a a DET ispiv-91 56 3 quick quick ADJ ispiv-91 56 4 calculation calculation NOUN ispiv-91 56 5 , , PUNCT ispiv-91 56 6 it it PRON ispiv-91 56 7 results result VERB ispiv-91 56 8 that that SCONJ ispiv-91 56 9 at at ADP ispiv-91 56 10 the the DET ispiv-91 56 11 service service NOUN ispiv-91 56 12 pressure pressure NOUN ispiv-91 56 13 of of ADP ispiv-91 56 14 1.7 1.7 NUM ispiv-91 56 15 mpa mpa NOUN ispiv-91 56 16 in in ADP ispiv-91 56 17 both both DET ispiv-91 56 18 chambers chamber NOUN ispiv-91 56 19 , , PUNCT ispiv-91 56 20 a a DET ispiv-91 56 21 net net ADJ ispiv-91 56 22 force force NOUN ispiv-91 56 23 of of ADP ispiv-91 56 24 about about ADV ispiv-91 56 25 4000 4000 NUM ispiv-91 56 26 n n NOUN ispiv-91 56 27 results result NOUN ispiv-91 56 28 in in ADP ispiv-91 56 29 the the DET ispiv-91 56 30 direction direction NOUN ispiv-91 56 31 of of ADP ispiv-91 56 32 the the DET ispiv-91 56 33 barrel barrel NOUN ispiv-91 56 34 . . PUNCT ispiv-91 57 1 this this DET ispiv-91 57 2 force force NOUN ispiv-91 57 3 is be AUX ispiv-91 57 4 more more ADJ ispiv-91 57 5 than than ADP ispiv-91 57 6 the the DET ispiv-91 57 7 double double NOUN ispiv-91 57 8 of of ADP ispiv-91 57 9 the the DET ispiv-91 57 10 force force NOUN ispiv-91 57 11 needed need VERB ispiv-91 57 12 to to PART ispiv-91 57 13 guarantee guarantee VERB ispiv-91 57 14 the the DET ispiv-91 57 15 sealing sealing NOUN ispiv-91 57 16 of of ADP ispiv-91 57 17 the the DET ispiv-91 57 18 o o NOUN ispiv-91 57 19 ’ ' PUNCT ispiv-91 57 20 ring ring NOUN ispiv-91 57 21 . . PUNCT ispiv-91 58 1 we we PRON ispiv-91 58 2 can can AUX ispiv-91 58 3 thus thus ADV ispiv-91 58 4 use use VERB ispiv-91 58 5 the the DET ispiv-91 58 6 same same ADJ ispiv-91 58 7 pressure pressure NOUN ispiv-91 58 8 in in ADP ispiv-91 58 9 both both DET ispiv-91 58 10 chamber chamber NOUN ispiv-91 58 11 , , PUNCT ispiv-91 58 12 which which PRON ispiv-91 58 13 allow allow VERB ispiv-91 58 14 to to PART ispiv-91 58 15 simplify simplify VERB ispiv-91 58 16 the the DET ispiv-91 58 17 design design NOUN ispiv-91 58 18 of of ADP ispiv-91 58 19 the the DET ispiv-91 58 20 piping piping NOUN ispiv-91 58 21 and and CCONJ ispiv-91 58 22 to to PART ispiv-91 58 23 use use VERB ispiv-91 58 24 only only ADV ispiv-91 58 25 one one NUM ispiv-91 58 26 gas gas NOUN ispiv-91 58 27 tank tank NOUN ispiv-91 58 28 for for ADP ispiv-91 58 29 feeding feed VERB ispiv-91 58 30 the the DET ispiv-91 58 31 whole whole ADJ ispiv-91 58 32 system system NOUN ispiv-91 58 33 . . PUNCT ispiv-91 59 1 the the DET ispiv-91 59 2 pressure pressure NOUN ispiv-91 59 3 inside inside ADP ispiv-91 59 4 the the DET ispiv-91 59 5 chamber chamber NOUN ispiv-91 59 6 is be AUX ispiv-91 59 7 controlled control VERB ispiv-91 59 8 with with ADP ispiv-91 59 9 two two NUM ispiv-91 59 10 pressure pressure NOUN ispiv-91 59 11 sensors sensor NOUN ispiv-91 59 12 which which PRON ispiv-91 59 13 have have VERB ispiv-91 59 14 an an DET ispiv-91 59 15 error error NOUN ispiv-91 59 16 less less ADJ ispiv-91 59 17 than than ADP ispiv-91 59 18 0.1 0.1 NUM ispiv-91 59 19 % % NOUN ispiv-91 59 20 thus thus ADV ispiv-91 59 21 allowing allow VERB ispiv-91 59 22 to to PART ispiv-91 59 23 have have VERB ispiv-91 59 24 a a DET ispiv-91 59 25 very very ADV ispiv-91 59 26 accurate accurate ADJ ispiv-91 59 27 control control NOUN ispiv-91 59 28 of of ADP ispiv-91 59 29 the the DET ispiv-91 59 30 initial initial ADJ ispiv-91 59 31 conditions condition NOUN ispiv-91 59 32 of of ADP ispiv-91 59 33 our our PRON ispiv-91 59 34 experiments experiment NOUN ispiv-91 59 35 , , PUNCT ispiv-91 59 36 and and CCONJ ispiv-91 59 37 thus thus ADV ispiv-91 59 38 to to PART ispiv-91 59 39 insure insure VERB ispiv-91 59 40 a a DET ispiv-91 59 41 good good ADJ ispiv-91 59 42 repeatability repeatability NOUN ispiv-91 59 43 of of ADP ispiv-91 59 44 the the DET ispiv-91 59 45 tests test NOUN ispiv-91 59 46 . . PUNCT ispiv-91 60 1 finally finally ADV ispiv-91 60 2 , , PUNCT ispiv-91 60 3 the the DET ispiv-91 60 4 compressed compress VERB ispiv-91 60 5 air air NOUN ispiv-91 60 6 cannon cannon NOUN ispiv-91 60 7 is be AUX ispiv-91 60 8 mounted mount VERB ispiv-91 60 9 to to ADP ispiv-91 60 10 a a DET ispiv-91 60 11 10 10 NUM ispiv-91 60 12 inch inch NOUN ispiv-91 60 13 i i NOUN ispiv-91 60 14 - - PUNCT ispiv-91 60 15 beam beam NOUN ispiv-91 60 16 , , PUNCT ispiv-91 60 17 itself itself PRON ispiv-91 60 18 mounted mount VERB ispiv-91 60 19 on on ADP ispiv-91 60 20 a a DET ispiv-91 60 21 frame frame NOUN ispiv-91 60 22 to to PART ispiv-91 60 23 bring bring VERB ispiv-91 60 24 the the DET ispiv-91 60 25 barrel barrel NOUN ispiv-91 60 26 to to ADP ispiv-91 60 27 the the DET ispiv-91 60 28 height height NOUN ispiv-91 60 29 of of ADP ispiv-91 60 30 the the DET ispiv-91 60 31 laser laser NOUN ispiv-91 60 32 . . PUNCT ispiv-91 61 1 the the DET ispiv-91 61 2 i i PROPN ispiv-91 61 3 - - PUNCT ispiv-91 61 4 beam beam PROPN ispiv-91 61 5 was be AUX ispiv-91 61 6 necessary necessary ADJ ispiv-91 61 7 to to PART ispiv-91 61 8 add add VERB ispiv-91 61 9 mass mass NOUN ispiv-91 61 10 to to ADP ispiv-91 61 11 the the DET ispiv-91 61 12 overall overall ADJ ispiv-91 61 13 assembly assembly NOUN ispiv-91 61 14 and and CCONJ ispiv-91 61 15 minimize minimize VERB ispiv-91 61 16 recoil recoil NOUN ispiv-91 61 17 of of ADP ispiv-91 61 18 the the DET ispiv-91 61 19 system system NOUN ispiv-91 61 20 . . PUNCT ispiv-91 62 1 also also ADV ispiv-91 62 2 , , PUNCT ispiv-91 62 3 it it PRON ispiv-91 62 4 will will AUX ispiv-91 62 5 serve serve VERB ispiv-91 62 6 as as ADP ispiv-91 62 7 a a DET ispiv-91 62 8 support support NOUN ispiv-91 62 9 to to PART ispiv-91 62 10 mount mount VERB ispiv-91 62 11 a a DET ispiv-91 62 12 solid solid ADJ ispiv-91 62 13 obstacle obstacle NOUN ispiv-91 62 14 to to PART ispiv-91 62 15 intercept intercept VERB ispiv-91 62 16 the the DET ispiv-91 62 17 projectile projectile NOUN ispiv-91 62 18 ( ( PUNCT ispiv-91 62 19 see see VERB ispiv-91 62 20 figure figure NOUN ispiv-91 62 21 2 2 NUM ispiv-91 62 22 ) ) PUNCT ispiv-91 62 23 . . PUNCT ispiv-91 63 1 to to PART ispiv-91 63 2 monitor monitor VERB ispiv-91 63 3 the the DET ispiv-91 63 4 projectile projectile NOUN ispiv-91 63 5 speed speed NOUN ispiv-91 63 6 exiting exit VERB ispiv-91 63 7 the the DET ispiv-91 63 8 barrel barrel NOUN ispiv-91 63 9 , , PUNCT ispiv-91 63 10 a a DET ispiv-91 63 11 series series NOUN ispiv-91 63 12 of of ADP ispiv-91 63 13 3 3 NUM ispiv-91 63 14 fast fast ADJ ispiv-91 63 15 photodiodes photodiode NOUN ispiv-91 63 16 are be AUX ispiv-91 63 17 positioned position VERB ispiv-91 63 18 at at ADP ispiv-91 63 19 the the DET ispiv-91 63 20 exit exit NOUN ispiv-91 63 21 of of ADP ispiv-91 63 22 the the DET ispiv-91 63 23 barrel barrel NOUN ispiv-91 63 24 . . PUNCT ispiv-91 64 1 they they PRON ispiv-91 64 2 have have VERB ispiv-91 64 3 a a DET ispiv-91 64 4 rise rise NOUN ispiv-91 64 5 time time NOUN ispiv-91 64 6 of of ADP ispiv-91 64 7 less less ADJ ispiv-91 64 8 than than ADP ispiv-91 64 9 1 1 NUM ispiv-91 64 10 ns ns NUM ispiv-91 64 11 and and CCONJ ispiv-91 64 12 will will AUX ispiv-91 64 13 capture capture VERB ispiv-91 64 14 precisely precisely ADV ispiv-91 64 15 the the DET ispiv-91 64 16 front front NOUN ispiv-91 64 17 of of ADP ispiv-91 64 18 the the DET ispiv-91 64 19 projectile projectile NOUN ispiv-91 64 20 . . PUNCT ispiv-91 65 1 they they PRON ispiv-91 65 2 are be AUX ispiv-91 65 3 connected connect VERB ispiv-91 65 4 an an DET ispiv-91 65 5 oscilloscope oscilloscope NOUN ispiv-91 65 6 to to PART ispiv-91 65 7 measure measure VERB ispiv-91 65 8 the the DET ispiv-91 65 9 outlet outlet NOUN ispiv-91 65 10 velocity velocity NOUN ispiv-91 65 11 of of ADP ispiv-91 65 12 the the DET ispiv-91 65 13 projectile projectile NOUN ispiv-91 65 14 . . PUNCT ispiv-91 66 1 the the DET ispiv-91 66 2 photodiodes photodiode NOUN ispiv-91 66 3 will will AUX ispiv-91 66 4 serve serve VERB ispiv-91 66 5 as as ADP ispiv-91 66 6 a a DET ispiv-91 66 7 trigger trigger NOUN ispiv-91 66 8 signal signal NOUN ispiv-91 66 9 to to PART ispiv-91 66 10 start start VERB ispiv-91 66 11 the the DET ispiv-91 66 12 acquisition acquisition NOUN ispiv-91 66 13 of of ADP ispiv-91 66 14 the the DET ispiv-91 66 15 instruments instrument NOUN ispiv-91 66 16 that that PRON ispiv-91 66 17 will will AUX ispiv-91 66 18 be be AUX ispiv-91 66 19 deployed deploy VERB ispiv-91 66 20 in in ADP ispiv-91 66 21 the the DET ispiv-91 66 22 water water NOUN ispiv-91 66 23 hammer hammer NOUN ispiv-91 66 24 projectile projectile NOUN ispiv-91 66 25 . . PUNCT ispiv-91 67 1 tests test NOUN ispiv-91 67 2 have have AUX ispiv-91 67 3 been be AUX ispiv-91 67 4 performed perform VERB ispiv-91 67 5 to to PART ispiv-91 67 6 assess assess VERB ispiv-91 67 7 the the DET ispiv-91 67 8 repeatability repeatability NOUN ispiv-91 67 9 of of ADP ispiv-91 67 10 the the DET ispiv-91 67 11 velocity velocity NOUN ispiv-91 67 12 between between ADP ispiv-91 67 13 different different ADJ ispiv-91 67 14 shots shot NOUN ispiv-91 67 15 with with ADP ispiv-91 67 16 a a DET ispiv-91 67 17 dummy dummy ADJ ispiv-91 67 18 projectile projectile NOUN ispiv-91 67 19 made make VERB ispiv-91 67 20 of of ADP ispiv-91 67 21 teflon teflon NOUN ispiv-91 67 22 ( ( PUNCT ispiv-91 67 23 as as SCONJ ispiv-91 67 24 shown show VERB ispiv-91 67 25 in in ADP ispiv-91 67 26 figure figure NOUN ispiv-91 67 27 3 3 NUM ispiv-91 67 28 ) ) PUNCT ispiv-91 67 29 . . PUNCT ispiv-91 68 1 in in ADP ispiv-91 68 2 figure figure NOUN ispiv-91 68 3 4 4 NUM ispiv-91 68 4 the the DET ispiv-91 68 5 measured measured ADJ ispiv-91 68 6 velocity velocity NOUN ispiv-91 68 7 for for ADP ispiv-91 68 8 15 15 NUM ispiv-91 68 9 different different ADJ ispiv-91 68 10 tests test NOUN ispiv-91 68 11 performed perform VERB ispiv-91 68 12 at at ADP ispiv-91 68 13 the the DET ispiv-91 68 14 same same ADJ ispiv-91 68 15 nominal nominal ADJ ispiv-91 68 16 conditions condition NOUN ispiv-91 68 17 of of ADP ispiv-91 68 18 3bar 3bar NUM ispiv-91 68 19 in in ADP ispiv-91 68 20 the the DET ispiv-91 68 21 front front ADJ ispiv-91 68 22 chamber chamber NOUN ispiv-91 68 23 and and CCONJ ispiv-91 68 24 3.2 3.2 NUM ispiv-91 68 25 bar bar NOUN ispiv-91 68 26 on on ADP ispiv-91 68 27 the the DET ispiv-91 68 28 back back NOUN ispiv-91 68 29 chamber chamber NOUN ispiv-91 68 30 are be AUX ispiv-91 68 31 shown show VERB ispiv-91 68 32 . . PUNCT ispiv-91 69 1 with with ADP ispiv-91 69 2 the the DET ispiv-91 69 3 current current ADJ ispiv-91 69 4 design design NOUN ispiv-91 69 5 we we PRON ispiv-91 69 6 can can AUX ispiv-91 69 7 obtain obtain VERB ispiv-91 69 8 a a DET ispiv-91 69 9 precision precision NOUN ispiv-91 69 10 of of ADP ispiv-91 69 11 about about ADV ispiv-91 69 12 0.5 0.5 NUM ispiv-91 69 13 % % NOUN ispiv-91 69 14 at at ADP ispiv-91 69 15 95 95 NUM ispiv-91 69 16 % % NOUN ispiv-91 69 17 confidence confidence NOUN ispiv-91 69 18 . . PUNCT ispiv-91 69 19 0 0 NUM ispiv-91 69 20 2 2 NUM ispiv-91 69 21 4 4 NUM ispiv-91 69 22 6 6 NUM ispiv-91 69 23 8 8 NUM ispiv-91 69 24 10 10 NUM ispiv-91 69 25 12 12 NUM ispiv-91 69 26 14 14 NUM ispiv-91 69 27 16 16 NUM ispiv-91 69 28 test test NOUN ispiv-91 69 29 # # NOUN ispiv-91 69 30 27.5 27.5 NUM ispiv-91 69 31 27.55 27.55 NUM ispiv-91 69 32 27.6 27.6 NUM ispiv-91 69 33 27.65 27.65 NUM ispiv-91 69 34 27.7 27.7 NUM ispiv-91 69 35 27.75 27.75 NUM ispiv-91 69 36 27.8 27.8 NUM ispiv-91 69 37 27.85 27.85 NUM ispiv-91 69 38 27.9 27.9 NUM ispiv-91 69 39 27.95 27.95 NUM ispiv-91 69 40 28 28 NUM ispiv-91 69 41 v v NOUN ispiv-91 69 42 e e X ispiv-91 69 43 lo lo NOUN ispiv-91 70 1 c c VERB ispiv-91 71 1 it it PRON ispiv-91 72 1 y y INTJ ispiv-91 72 2 [ [ PUNCT ispiv-91 72 3 m m NOUN ispiv-91 72 4 /s /s NOUN ispiv-91 72 5 ] ] X ispiv-91 72 6 repeatability repeatability NOUN ispiv-91 72 7 @ @ ADP ispiv-91 72 8 3bar 3bar NUM ispiv-91 72 9 mean mean NOUN ispiv-91 72 10 68 68 NUM ispiv-91 72 11 % % NOUN ispiv-91 72 12 confidence confidence NOUN ispiv-91 72 13 99 99 NUM ispiv-91 72 14 % % NOUN ispiv-91 72 15 confidence confidence NOUN ispiv-91 72 16 figure figure NOUN ispiv-91 72 17 4 4 NUM ispiv-91 72 18 : : PUNCT ispiv-91 72 19 frame frame NOUN ispiv-91 72 20 of of ADP ispiv-91 72 21 the the DET ispiv-91 72 22 projectile projectile NOUN ispiv-91 72 23 exiting exit VERB ispiv-91 72 24 the the DET ispiv-91 72 25 barrel barrel NOUN ispiv-91 72 26 . . PUNCT ispiv-91 73 1 3 3 NUM ispiv-91 73 2 piv piv NOUN ispiv-91 73 3 and and CCONJ ispiv-91 73 4 shadowgraphy shadowgraphy NOUN ispiv-91 73 5 setup setup NOUN ispiv-91 73 6 first first ADJ ispiv-91 73 7 tests test NOUN ispiv-91 73 8 with with ADP ispiv-91 73 9 shadowgraphy shadowgraphy NOUN ispiv-91 73 10 and and CCONJ ispiv-91 73 11 piv piv NOUN ispiv-91 73 12 measurements measurement NOUN ispiv-91 73 13 are be AUX ispiv-91 73 14 performed perform VERB ispiv-91 73 15 by by ADP ispiv-91 73 16 using use VERB ispiv-91 73 17 a a DET ispiv-91 73 18 test test NOUN ispiv-91 73 19 projectile projectile NOUN ispiv-91 73 20 made make VERB ispiv-91 73 21 of of ADP ispiv-91 73 22 acrylic acrylic NOUN ispiv-91 73 23 and and CCONJ ispiv-91 73 24 filled fill VERB ispiv-91 73 25 with with ADP ispiv-91 73 26 distilled distil VERB ispiv-91 73 27 water water NOUN ispiv-91 73 28 inside inside ADV ispiv-91 73 29 ( ( PUNCT ispiv-91 73 30 as as SCONJ ispiv-91 73 31 shown show VERB ispiv-91 73 32 in in ADP ispiv-91 73 33 figure figure NOUN ispiv-91 73 34 5 5 NUM ispiv-91 73 35 ) ) PUNCT ispiv-91 73 36 . . PUNCT ispiv-91 74 1 piv piv NOUN ispiv-91 74 2 silver silver NOUN ispiv-91 74 3 coated coat VERB ispiv-91 74 4 particles particle NOUN ispiv-91 74 5 with with ADP ispiv-91 74 6 a a DET ispiv-91 74 7 diameter diameter NOUN ispiv-91 74 8 of of ADP ispiv-91 74 9 2 2 NUM ispiv-91 74 10 µm µm NUM ispiv-91 74 11 have have AUX ispiv-91 74 12 been be AUX ispiv-91 74 13 used use VERB ispiv-91 74 14 as as ADP ispiv-91 74 15 a a DET ispiv-91 74 16 tracer tracer NOUN ispiv-91 74 17 for for ADP ispiv-91 74 18 the the DET ispiv-91 74 19 flow flow NOUN ispiv-91 74 20 . . PUNCT ispiv-91 75 1 this this DET ispiv-91 75 2 projectile projectile NOUN ispiv-91 75 3 is be AUX ispiv-91 75 4 used use VERB ispiv-91 75 5 for for ADP ispiv-91 75 6 the the DET ispiv-91 75 7 first first ADJ ispiv-91 75 8 tests test NOUN ispiv-91 75 9 because because SCONJ ispiv-91 75 10 it it PRON ispiv-91 75 11 is be AUX ispiv-91 75 12 cheap cheap ADJ ispiv-91 75 13 and and CCONJ ispiv-91 75 14 easy easy ADJ ispiv-91 75 15 to to PART ispiv-91 75 16 build build VERB ispiv-91 75 17 , , PUNCT ispiv-91 75 18 but but CCONJ ispiv-91 75 19 it it PRON ispiv-91 75 20 can can AUX ispiv-91 75 21 be be AUX ispiv-91 75 22 destroyed destroy VERB ispiv-91 75 23 during during ADP ispiv-91 75 24 tests test NOUN ispiv-91 75 25 due due ADP ispiv-91 75 26 to to ADP ispiv-91 75 27 its its PRON ispiv-91 75 28 fragility fragility NOUN ispiv-91 75 29 . . PUNCT ispiv-91 76 1 the the DET ispiv-91 76 2 choice choice NOUN ispiv-91 76 3 to to PART ispiv-91 76 4 use use VERB ispiv-91 76 5 a a DET ispiv-91 76 6 cheap cheap ADJ ispiv-91 76 7 test test NOUN ispiv-91 76 8 projectile projectile NOUN ispiv-91 76 9 , , PUNCT ispiv-91 76 10 is be AUX ispiv-91 76 11 dictated dictate VERB ispiv-91 76 12 to to ADP ispiv-91 76 13 the the DET ispiv-91 76 14 elevated elevated ADJ ispiv-91 76 15 number number NOUN ispiv-91 76 16 of of ADP ispiv-91 76 17 tests test NOUN ispiv-91 76 18 needed need VERB ispiv-91 76 19 for for ADP ispiv-91 76 20 synchronization synchronization NOUN ispiv-91 76 21 and and CCONJ ispiv-91 76 22 calibration calibration NOUN ispiv-91 76 23 of of ADP ispiv-91 76 24 all all DET ispiv-91 76 25 the the DET ispiv-91 76 26 tools tool NOUN ispiv-91 76 27 necessary necessary ADJ ispiv-91 76 28 for for ADP ispiv-91 76 29 deploying deploy VERB ispiv-91 76 30 piv piv NOUN ispiv-91 76 31 in in ADP ispiv-91 76 32 such such DET ispiv-91 76 33 a a DET ispiv-91 76 34 challenging challenging ADJ ispiv-91 76 35 environment environment NOUN ispiv-91 76 36 . . PUNCT ispiv-91 77 1 for for ADP ispiv-91 77 2 final final ADJ ispiv-91 77 3 quantitative quantitative ADJ ispiv-91 77 4 measurements measurement NOUN ispiv-91 77 5 a a DET ispiv-91 77 6 new new ADJ ispiv-91 77 7 titanium titanium NOUN ispiv-91 77 8 body body NOUN ispiv-91 77 9 projectile projectile NOUN ispiv-91 77 10 is be AUX ispiv-91 77 11 designed design VERB ispiv-91 77 12 in in ADP ispiv-91 77 13 order order NOUN ispiv-91 77 14 to to PART ispiv-91 77 15 resist resist VERB ispiv-91 77 16 several several ADJ ispiv-91 77 17 shots shot NOUN ispiv-91 77 18 without without ADP ispiv-91 77 19 breaking break VERB ispiv-91 77 20 . . PUNCT ispiv-91 78 1 the the DET ispiv-91 78 2 first first ADJ ispiv-91 78 3 measurement measurement NOUN ispiv-91 78 4 technique technique NOUN ispiv-91 78 5 implemented implement VERB ispiv-91 78 6 is be AUX ispiv-91 78 7 the the DET ispiv-91 78 8 shadowgraphy shadowgraphy NOUN ispiv-91 78 9 which which PRON ispiv-91 78 10 allows allow VERB ispiv-91 78 11 to to PART ispiv-91 78 12 visualize visualize VERB ispiv-91 78 13 the the DET ispiv-91 78 14 dynamic dynamic NOUN ispiv-91 78 15 of of ADP ispiv-91 78 16 the the DET ispiv-91 78 17 projectile projectile NOUN ispiv-91 78 18 and and CCONJ ispiv-91 78 19 the the DET ispiv-91 78 20 water water NOUN ispiv-91 78 21 flow flow NOUN ispiv-91 78 22 inside inside ADP ispiv-91 78 23 it it PRON ispiv-91 78 24 . . PUNCT ispiv-91 79 1 the the DET ispiv-91 79 2 shadowgraphy shadowgraphy NOUN ispiv-91 79 3 technique technique NOUN ispiv-91 79 4 is be AUX ispiv-91 79 5 simple simple ADJ ispiv-91 79 6 to to PART ispiv-91 79 7 implement implement VERB ispiv-91 79 8 and and CCONJ ispiv-91 79 9 consists consist VERB ispiv-91 79 10 of of ADP ispiv-91 79 11 a a DET ispiv-91 79 12 powerful powerful ADJ ispiv-91 79 13 led lead VERB ispiv-91 79 14 lamp lamp NOUN ispiv-91 79 15 placed place VERB ispiv-91 79 16 in in ADP ispiv-91 79 17 front front NOUN ispiv-91 79 18 of of ADP ispiv-91 79 19 a a DET ispiv-91 79 20 camera camera NOUN ispiv-91 79 21 and and CCONJ ispiv-91 79 22 the the DET ispiv-91 79 23 trajectory trajectory NOUN ispiv-91 79 24 of of ADP ispiv-91 79 25 the the DET ispiv-91 79 26 moving move VERB ispiv-91 79 27 target target NOUN ispiv-91 79 28 is be AUX ispiv-91 79 29 placed place VERB ispiv-91 79 30 in in ADP ispiv-91 79 31 between between ADP ispiv-91 79 32 the the DET ispiv-91 79 33 camera camera NOUN ispiv-91 79 34 and and CCONJ ispiv-91 79 35 the the DET ispiv-91 79 36 light light NOUN ispiv-91 79 37 . . PUNCT ispiv-91 80 1 for for ADP ispiv-91 80 2 our our PRON ispiv-91 80 3 application application NOUN ispiv-91 80 4 the the DET ispiv-91 80 5 high high ADJ ispiv-91 80 6 - - PUNCT ispiv-91 80 7 speed speed NOUN ispiv-91 80 8 camera camera NOUN ispiv-91 80 9 phantom phantom NOUN ispiv-91 80 10 v.710 v.710 PROPN ispiv-91 80 11 is be AUX ispiv-91 80 12 used use VERB ispiv-91 80 13 with with ADP ispiv-91 80 14 a a DET ispiv-91 80 15 resolution resolution NOUN ispiv-91 80 16 of of ADP ispiv-91 80 17 640× 640× PROPN ispiv-91 80 18 256 256 NUM ispiv-91 80 19 pixels pixel NOUN ispiv-91 80 20 and and CCONJ ispiv-91 80 21 an an DET ispiv-91 80 22 exposure exposure NOUN ispiv-91 80 23 time time NOUN ispiv-91 80 24 of of ADP ispiv-91 80 25 3 3 NUM ispiv-91 80 26 µs µs NOUN ispiv-91 80 27 leading lead VERB ispiv-91 80 28 to to ADP ispiv-91 80 29 an an DET ispiv-91 80 30 acquisition acquisition NOUN ispiv-91 80 31 rate rate NOUN ispiv-91 80 32 of of ADP ispiv-91 80 33 40000 40000 NUM ispiv-91 80 34 fps fps PROPN ispiv-91 80 35 . . PUNCT ispiv-91 81 1 the the DET ispiv-91 81 2 physical physical ADJ ispiv-91 81 3 resolution resolution NOUN ispiv-91 81 4 obtained obtain VERB ispiv-91 81 5 by by ADP ispiv-91 81 6 using use VERB ispiv-91 81 7 a a DET ispiv-91 81 8 200 200 NUM ispiv-91 81 9 mm mm PROPN ispiv-91 81 10 nikon nikon ADJ ispiv-91 81 11 lens lens NOUN ispiv-91 81 12 at at ADP ispiv-91 81 13 2 2 NUM ispiv-91 81 14 m m NOUN ispiv-91 81 15 from from ADP ispiv-91 81 16 the the DET ispiv-91 81 17 target target NOUN ispiv-91 81 18 is be AUX ispiv-91 81 19 208µm 208µm NOUN ispiv-91 81 20 / / SYM ispiv-91 81 21 pixel pixel PROPN ispiv-91 81 22 resulting result VERB ispiv-91 81 23 in in ADP ispiv-91 81 24 a a DET ispiv-91 81 25 magnification magnification NOUN ispiv-91 81 26 of of ADP ispiv-91 81 27 m m PROPN ispiv-91 81 28 = = NOUN ispiv-91 81 29 0.096 0.096 NUM ispiv-91 81 30 . . PUNCT ispiv-91 82 1 the the DET ispiv-91 82 2 led lead VERB ispiv-91 82 3 lamp lamp NOUN ispiv-91 82 4 used use VERB ispiv-91 82 5 is be AUX ispiv-91 82 6 a a DET ispiv-91 82 7 veritas verita NOUN ispiv-91 82 8 constellation constellation NOUN ispiv-91 82 9 model model NOUN ispiv-91 82 10 120 120 NUM ispiv-91 82 11 giving give VERB ispiv-91 82 12 12000 12000 NUM ispiv-91 82 13 lumen luman NOUN ispiv-91 82 14 of of ADP ispiv-91 82 15 light light ADJ ispiv-91 82 16 intensity intensity NOUN ispiv-91 82 17 , , PUNCT ispiv-91 82 18 used use VERB ispiv-91 82 19 in in ADP ispiv-91 82 20 continuous continuous ADJ ispiv-91 82 21 mode mode NOUN ispiv-91 82 22 ( ( PUNCT ispiv-91 82 23 it it PRON ispiv-91 82 24 could could AUX ispiv-91 82 25 be be AUX ispiv-91 82 26 used use VERB ispiv-91 82 27 in in ADP ispiv-91 82 28 strobe strobe NOUN ispiv-91 82 29 mode mode NOUN ispiv-91 82 30 up up ADP ispiv-91 82 31 to to PART ispiv-91 82 32 100 100 NUM ispiv-91 82 33 khz khz NOUN ispiv-91 82 34 ) ) PUNCT ispiv-91 82 35 and and CCONJ ispiv-91 82 36 placed place VERB ispiv-91 82 37 about about ADV ispiv-91 82 38 1 1 NUM ispiv-91 82 39 m m NOUN ispiv-91 82 40 away away ADV ispiv-91 82 41 from from ADP ispiv-91 82 42 the the DET ispiv-91 82 43 target target NOUN ispiv-91 82 44 . . PUNCT ispiv-91 83 1 later later ADV ispiv-91 83 2 , , PUNCT ispiv-91 83 3 a a DET ispiv-91 83 4 piv piv NOUN ispiv-91 83 5 technique technique NOUN ispiv-91 83 6 has have AUX ispiv-91 83 7 been be AUX ispiv-91 83 8 implemented implement VERB ispiv-91 83 9 in in ADP ispiv-91 83 10 order order NOUN ispiv-91 83 11 to to PART ispiv-91 83 12 perform perform VERB ispiv-91 83 13 time time NOUN ispiv-91 83 14 resolved resolve VERB ispiv-91 83 15 measurements measurement NOUN ispiv-91 83 16 of of ADP ispiv-91 83 17 the the DET ispiv-91 83 18 flow flow NOUN ispiv-91 83 19 field field NOUN ispiv-91 83 20 undergoing undergo VERB ispiv-91 83 21 water water NOUN ispiv-91 83 22 hammer hammer NOUN ispiv-91 83 23 . . PUNCT ispiv-91 84 1 the the DET ispiv-91 84 2 implementation implementation NOUN ispiv-91 84 3 of of ADP ispiv-91 84 4 a a DET ispiv-91 84 5 piv piv NOUN ispiv-91 84 6 technique technique NOUN ispiv-91 84 7 in in ADP ispiv-91 84 8 water water NOUN ispiv-91 84 9 hammer hammer NOUN ispiv-91 84 10 represents represent VERB ispiv-91 84 11 a a DET ispiv-91 84 12 big big ADJ ispiv-91 84 13 challenge challenge NOUN ispiv-91 84 14 due due ADP ispiv-91 84 15 to to ADP ispiv-91 84 16 the the DET ispiv-91 84 17 very very ADV ispiv-91 84 18 fast fast ADV ispiv-91 84 19 involved involved ADJ ispiv-91 84 20 phenomena phenomenon NOUN ispiv-91 84 21 , , PUNCT ispiv-91 84 22 and and CCONJ ispiv-91 84 23 to to ADP ispiv-91 84 24 the the DET ispiv-91 84 25 authors author NOUN ispiv-91 84 26 knowledge knowledge NOUN ispiv-91 84 27 time time NOUN ispiv-91 84 28 resolved resolve VERB ispiv-91 84 29 piv piv NOUN ispiv-91 84 30 in in ADP ispiv-91 84 31 water water NOUN ispiv-91 84 32 hammer hammer NOUN ispiv-91 84 33 at at ADP ispiv-91 84 34 very very ADV ispiv-91 84 35 high high ADJ ispiv-91 84 36 frequencies frequency NOUN ispiv-91 84 37 have have AUX ispiv-91 84 38 never never ADV ispiv-91 84 39 been be AUX ispiv-91 84 40 performed perform VERB ispiv-91 84 41 . . PUNCT ispiv-91 85 1 a a DET ispiv-91 85 2 very very ADV ispiv-91 85 3 powerful powerful ADJ ispiv-91 85 4 and and CCONJ ispiv-91 85 5 fast fast ADJ ispiv-91 85 6 laser laser NOUN ispiv-91 85 7 was be AUX ispiv-91 85 8 needed need VERB ispiv-91 85 9 in in ADP ispiv-91 85 10 order order NOUN ispiv-91 85 11 to to PART ispiv-91 85 12 have have AUX ispiv-91 85 13 a a DET ispiv-91 85 14 repetition repetition NOUN ispiv-91 85 15 rate rate NOUN ispiv-91 85 16 high high ADJ ispiv-91 85 17 enough enough ADV ispiv-91 85 18 to to PART ispiv-91 85 19 temporally temporally ADV ispiv-91 85 20 resolve resolve VERB ispiv-91 85 21 the the DET ispiv-91 85 22 transients transient NOUN ispiv-91 85 23 involved involve VERB ispiv-91 85 24 in in ADP ispiv-91 85 25 a a DET ispiv-91 85 26 water water NOUN ispiv-91 85 27 hammer hammer NOUN ispiv-91 85 28 . . PUNCT ispiv-91 86 1 the the DET ispiv-91 86 2 spectral spectral ADJ ispiv-91 86 3 energies energy NOUN ispiv-91 86 4 quasimodo quasimodo PROPN ispiv-91 86 5 pulse pulse NOUN ispiv-91 86 6 burst burst NOUN ispiv-91 86 7 laser laser NOUN ispiv-91 86 8 has have AUX ispiv-91 86 9 been be AUX ispiv-91 86 10 used use VERB ispiv-91 86 11 for for ADP ispiv-91 86 12 this this DET ispiv-91 86 13 setup setup NOUN ispiv-91 86 14 , , PUNCT ispiv-91 86 15 which which PRON ispiv-91 86 16 allows allow VERB ispiv-91 86 17 a a DET ispiv-91 86 18 repetition repetition NOUN ispiv-91 86 19 rate rate NOUN ispiv-91 86 20 up up ADP ispiv-91 86 21 to to PART ispiv-91 86 22 1 1 NUM ispiv-91 86 23 mhz mhz NOUN ispiv-91 86 24 with with ADP ispiv-91 86 25 a a DET ispiv-91 86 26 pulse pulse NOUN ispiv-91 86 27 length length NOUN ispiv-91 86 28 of of ADP ispiv-91 86 29 1 1 NUM ispiv-91 86 30 ns ns NUM ispiv-91 86 31 at at ADP ispiv-91 86 32 532 532 NUM ispiv-91 86 33 nm nm NOUN ispiv-91 86 34 . . PUNCT ispiv-91 87 1 due due ADP ispiv-91 87 2 to to ADP ispiv-91 87 3 the the DET ispiv-91 87 4 high high ADJ ispiv-91 87 5 repetition repetition NOUN ispiv-91 87 6 rate rate NOUN ispiv-91 87 7 , , PUNCT ispiv-91 87 8 the the DET ispiv-91 87 9 laser laser NOUN ispiv-91 87 10 can can AUX ispiv-91 87 11 only only ADV ispiv-91 87 12 work work VERB ispiv-91 87 13 for for ADP ispiv-91 87 14 10 10 NUM ispiv-91 87 15 ms ms NOUN ispiv-91 87 16 and and CCONJ ispiv-91 87 17 needs need VERB ispiv-91 87 18 a a DET ispiv-91 87 19 cooling cool VERB ispiv-91 87 20 time time NOUN ispiv-91 87 21 of of ADP ispiv-91 87 22 about about ADV ispiv-91 87 23 10 10 NUM ispiv-91 87 24 s s NOUN ispiv-91 87 25 in in ADP ispiv-91 87 26 between between ADP ispiv-91 87 27 each each DET ispiv-91 87 28 burst burst NOUN ispiv-91 87 29 . . PUNCT ispiv-91 88 1 the the DET ispiv-91 88 2 energy energy NOUN ispiv-91 88 3 of of ADP ispiv-91 88 4 each each DET ispiv-91 88 5 burst burst NOUN ispiv-91 88 6 is be AUX ispiv-91 88 7 of of ADP ispiv-91 88 8 16 16 NUM ispiv-91 88 9 j j NOUN ispiv-91 88 10 / / SYM ispiv-91 88 11 burst burst NOUN ispiv-91 88 12 , , PUNCT ispiv-91 88 13 giving give VERB ispiv-91 88 14 thus thus ADV ispiv-91 88 15 an an DET ispiv-91 88 16 energy energy NOUN ispiv-91 88 17 of of ADP ispiv-91 88 18 0.16 0.16 NUM ispiv-91 88 19 mj mj PROPN ispiv-91 88 20 / / PUNCT ispiv-91 88 21 pulse pulse NOUN ispiv-91 88 22 . . PUNCT ispiv-91 89 1 this this PRON ispiv-91 89 2 represented represent VERB ispiv-91 89 3 a a DET ispiv-91 89 4 synchronization synchronization NOUN ispiv-91 89 5 challenge challenge NOUN ispiv-91 89 6 , , PUNCT ispiv-91 89 7 meaning mean VERB ispiv-91 89 8 that that SCONJ ispiv-91 89 9 the the DET ispiv-91 89 10 trigger trigger NOUN ispiv-91 89 11 of of ADP ispiv-91 89 12 the the DET ispiv-91 89 13 laser laser NOUN ispiv-91 89 14 must must AUX ispiv-91 89 15 be be AUX ispiv-91 89 16 perfectly perfectly ADV ispiv-91 89 17 synchronized synchronize VERB ispiv-91 89 18 with with ADP ispiv-91 89 19 the the DET ispiv-91 89 20 impact impact NOUN ispiv-91 89 21 of of ADP ispiv-91 89 22 the the DET ispiv-91 89 23 projectile projectile NOUN ispiv-91 89 24 on on ADP ispiv-91 89 25 the the DET ispiv-91 89 26 solid solid ADJ ispiv-91 89 27 wall wall NOUN ispiv-91 89 28 . . PUNCT ispiv-91 90 1 the the DET ispiv-91 90 2 high high ADJ ispiv-91 90 3 - - PUNCT ispiv-91 90 4 speed speed NOUN ispiv-91 90 5 camera camera NOUN ispiv-91 90 6 used use VERB ispiv-91 90 7 for for ADP ispiv-91 90 8 the the DET ispiv-91 90 9 piv piv NOUN ispiv-91 90 10 measurements measurement NOUN ispiv-91 90 11 is be AUX ispiv-91 90 12 an an DET ispiv-91 90 13 idt idt ADJ ispiv-91 90 14 y7 y7 ADJ ispiv-91 90 15 - - NOUN ispiv-91 90 16 s3 s3 PROPN ispiv-91 90 17 with with ADP ispiv-91 90 18 a a DET ispiv-91 90 19 reduced reduced ADJ ispiv-91 90 20 resolution resolution NOUN ispiv-91 90 21 of of ADP ispiv-91 90 22 1920200 1920200 NUM ispiv-91 90 23 pixels pixel NOUN ispiv-91 90 24 allowing allow VERB ispiv-91 90 25 an an DET ispiv-91 90 26 acquisition acquisition NOUN ispiv-91 90 27 rate rate NOUN ispiv-91 90 28 of of ADP ispiv-91 90 29 100000 100000 NUM ispiv-91 90 30 fps fps NOUN ispiv-91 90 31 with with ADP ispiv-91 90 32 an an DET ispiv-91 90 33 exposure exposure NOUN ispiv-91 90 34 time time NOUN ispiv-91 90 35 of of ADP ispiv-91 90 36 8 8 NUM ispiv-91 90 37 µs µs NOUN ispiv-91 90 38 . . PUNCT ispiv-91 91 1 a a DET ispiv-91 91 2 60 60 NUM ispiv-91 91 3 mm mm NOUN ispiv-91 91 4 figure figure NOUN ispiv-91 91 5 5 5 NUM ispiv-91 91 6 : : PUNCT ispiv-91 91 7 laser laser NOUN ispiv-91 91 8 alignment alignment NOUN ispiv-91 91 9 on on ADP ispiv-91 91 10 the the DET ispiv-91 91 11 impact impact NOUN ispiv-91 91 12 area area NOUN ispiv-91 91 13 for for ADP ispiv-91 91 14 piv piv NOUN ispiv-91 91 15 measurements measurement NOUN ispiv-91 91 16 . . PUNCT ispiv-91 92 1 nikon nikon PROPN ispiv-91 92 2 lens lens PROPN ispiv-91 92 3 has have AUX ispiv-91 92 4 been be AUX ispiv-91 92 5 used use VERB ispiv-91 92 6 with with ADP ispiv-91 92 7 the the DET ispiv-91 92 8 camera camera NOUN ispiv-91 92 9 placed place VERB ispiv-91 92 10 at at ADP ispiv-91 92 11 about about ADV ispiv-91 92 12 50 50 NUM ispiv-91 92 13 cm cm NOUN ispiv-91 92 14 from from ADP ispiv-91 92 15 the the DET ispiv-91 92 16 target target NOUN ispiv-91 92 17 resulting result VERB ispiv-91 92 18 in in ADP ispiv-91 92 19 a a DET ispiv-91 92 20 resolution resolution NOUN ispiv-91 92 21 of of ADP ispiv-91 92 22 24 24 NUM ispiv-91 92 23 µ/pixel µ/pixel X ispiv-91 92 24 and and CCONJ ispiv-91 92 25 a a DET ispiv-91 92 26 magnification magnification NOUN ispiv-91 92 27 m m NOUN ispiv-91 92 28 = = NOUN ispiv-91 92 29 0.29 0.29 NUM ispiv-91 92 30 . . PUNCT ispiv-91 93 1 a a DET ispiv-91 93 2 system system NOUN ispiv-91 93 3 of of ADP ispiv-91 93 4 3 3 NUM ispiv-91 93 5 mirrors mirror NOUN ispiv-91 93 6 and and CCONJ ispiv-91 93 7 a a DET ispiv-91 93 8 cylindrical cylindrical NOUN ispiv-91 93 9 and and CCONJ ispiv-91 93 10 a a DET ispiv-91 93 11 spherical spherical ADJ ispiv-91 93 12 lens lens NOUN ispiv-91 93 13 has have AUX ispiv-91 93 14 been be AUX ispiv-91 93 15 used use VERB ispiv-91 93 16 in in ADP ispiv-91 93 17 order order NOUN ispiv-91 93 18 to to PART ispiv-91 93 19 bring bring VERB ispiv-91 93 20 the the DET ispiv-91 93 21 laser laser NOUN ispiv-91 93 22 light light NOUN ispiv-91 93 23 into into ADP ispiv-91 93 24 the the DET ispiv-91 93 25 impact impact NOUN ispiv-91 93 26 point point NOUN ispiv-91 93 27 and and CCONJ ispiv-91 93 28 to to PART ispiv-91 93 29 create create VERB ispiv-91 93 30 a a DET ispiv-91 93 31 laser laser NOUN ispiv-91 93 32 sheet sheet NOUN ispiv-91 93 33 of of ADP ispiv-91 93 34 about about ADV ispiv-91 93 35 0.5 0.5 NUM ispiv-91 93 36 mm mm NOUN ispiv-91 93 37 thickness thickness NOUN ispiv-91 93 38 ( ( PUNCT ispiv-91 93 39 as as SCONJ ispiv-91 93 40 shown show VERB ispiv-91 93 41 in in ADP ispiv-91 93 42 figure figure NOUN ispiv-91 93 43 5 5 NUM ispiv-91 93 44 ) ) PUNCT ispiv-91 93 45 . . PUNCT ispiv-91 94 1 the the DET ispiv-91 94 2 master master NOUN ispiv-91 94 3 clock clock NOUN ispiv-91 94 4 of of ADP ispiv-91 94 5 the the DET ispiv-91 94 6 laser laser NOUN ispiv-91 94 7 system system NOUN ispiv-91 94 8 has have AUX ispiv-91 94 9 been be AUX ispiv-91 94 10 used use VERB ispiv-91 94 11 for for ADP ispiv-91 94 12 synchronizing synchronize VERB ispiv-91 94 13 the the DET ispiv-91 94 14 camera camera NOUN ispiv-91 94 15 acquisition acquisition NOUN ispiv-91 94 16 and and CCONJ ispiv-91 94 17 exposure exposure NOUN ispiv-91 94 18 with with ADP ispiv-91 94 19 the the DET ispiv-91 94 20 laser laser NOUN ispiv-91 94 21 pulses pulse NOUN ispiv-91 94 22 , , PUNCT ispiv-91 94 23 and and CCONJ ispiv-91 94 24 a a DET ispiv-91 94 25 fast fast ADJ ispiv-91 94 26 photodiode photodiode NOUN ispiv-91 94 27 ( ( PUNCT ispiv-91 94 28 thorlabs thorlab NOUN ispiv-91 94 29 pda10a pda10a VERB ispiv-91 94 30 ) ) PUNCT ispiv-91 94 31 with with ADP ispiv-91 94 32 a a DET ispiv-91 94 33 laser laser NOUN ispiv-91 94 34 pointer pointer NOUN ispiv-91 94 35 placed place VERB ispiv-91 94 36 5 5 NUM ispiv-91 94 37 cm cm NOUN ispiv-91 94 38 form form NOUN ispiv-91 94 39 the the DET ispiv-91 94 40 impact impact NOUN ispiv-91 94 41 area area NOUN ispiv-91 94 42 has have AUX ispiv-91 94 43 been be AUX ispiv-91 94 44 used use VERB ispiv-91 94 45 to to PART ispiv-91 94 46 trigger trigger VERB ispiv-91 94 47 both both CCONJ ispiv-91 94 48 the the DET ispiv-91 94 49 laser laser NOUN ispiv-91 94 50 and and CCONJ ispiv-91 94 51 the the DET ispiv-91 94 52 camera camera NOUN ispiv-91 94 53 . . PUNCT ispiv-91 95 1 4 4 NUM ispiv-91 95 2 results result NOUN ispiv-91 95 3 at at ADP ispiv-91 95 4 this this DET ispiv-91 95 5 stage stage NOUN ispiv-91 95 6 preliminary preliminary ADJ ispiv-91 95 7 results result NOUN ispiv-91 95 8 are be AUX ispiv-91 95 9 shown show VERB ispiv-91 95 10 . . PUNCT ispiv-91 96 1 in in ADP ispiv-91 96 2 figure figure NOUN ispiv-91 96 3 6 6 NUM ispiv-91 96 4 the the DET ispiv-91 96 5 water water NOUN ispiv-91 96 6 hammer hammer NOUN ispiv-91 96 7 recorded record VERB ispiv-91 96 8 with with ADP ispiv-91 96 9 the the DET ispiv-91 96 10 shadowgraphy shadowgraphy NOUN ispiv-91 96 11 technique technique NOUN ispiv-91 96 12 by by ADP ispiv-91 96 13 the the DET ispiv-91 96 14 phantom phantom ADJ ispiv-91 96 15 camera camera NOUN ispiv-91 96 16 at at ADP ispiv-91 96 17 a a DET ispiv-91 96 18 40000 40000 NUM ispiv-91 96 19 fps fps NOUN ispiv-91 96 20 is be AUX ispiv-91 96 21 reported report VERB ispiv-91 96 22 . . PUNCT ispiv-91 97 1 the the DET ispiv-91 97 2 rarefaction rarefaction NOUN ispiv-91 97 3 wave wave NOUN ispiv-91 97 4 produced produce VERB ispiv-91 97 5 cavitation cavitation NOUN ispiv-91 97 6 bubble bubble NOUN ispiv-91 97 7 which which PRON ispiv-91 97 8 are be AUX ispiv-91 97 9 visible visible ADJ ispiv-91 97 10 in in ADP ispiv-91 97 11 6 6 NUM ispiv-91 97 12 different different ADJ ispiv-91 97 13 frames frame NOUN ispiv-91 97 14 , , PUNCT ispiv-91 97 15 and and CCONJ ispiv-91 97 16 this this PRON ispiv-91 97 17 allows allow VERB ispiv-91 97 18 to to PART ispiv-91 97 19 have have VERB ispiv-91 97 20 a a DET ispiv-91 97 21 rough rough ADJ ispiv-91 97 22 estimation estimation NOUN ispiv-91 97 23 of of ADP ispiv-91 97 24 the the DET ispiv-91 97 25 shock shock NOUN ispiv-91 97 26 wave wave NOUN ispiv-91 97 27 speed speed NOUN ispiv-91 97 28 inside inside ADP ispiv-91 97 29 the the DET ispiv-91 97 30 projectile projectile NOUN ispiv-91 97 31 which which DET ispiv-91 97 32 about about ADV ispiv-91 97 33 900 900 NUM ispiv-91 97 34 m m NOUN ispiv-91 97 35 / / SYM ispiv-91 97 36 s. s. PROPN ispiv-91 97 37 this this DET ispiv-91 97 38 estimation estimation NOUN ispiv-91 97 39 agrees agree VERB ispiv-91 97 40 with with ADP ispiv-91 97 41 the the DET ispiv-91 97 42 calculated calculate VERB ispiv-91 97 43 value value NOUN ispiv-91 97 44 for for ADP ispiv-91 97 45 the the DET ispiv-91 97 46 shock shock NOUN ispiv-91 97 47 wave wave NOUN ispiv-91 97 48 travelling travel VERB ispiv-91 97 49 in in ADP ispiv-91 97 50 water water NOUN ispiv-91 97 51 inside inside ADP ispiv-91 97 52 an an DET ispiv-91 97 53 acrylic acrylic NOUN ispiv-91 97 54 pipe pipe NOUN ispiv-91 97 55 which which PRON ispiv-91 97 56 is be AUX ispiv-91 97 57 of of ADP ispiv-91 97 58 980 980 NUM ispiv-91 97 59 m m NOUN ispiv-91 97 60 / / SYM ispiv-91 97 61 s. s. PROPN ispiv-91 98 1 the the DET ispiv-91 98 2 shadowgraphy shadowgraphy NOUN ispiv-91 98 3 measurements measurement NOUN ispiv-91 98 4 allowed allow VERB ispiv-91 98 5 for for ADP ispiv-91 98 6 the the DET ispiv-91 98 7 first first ADJ ispiv-91 98 8 time time NOUN ispiv-91 98 9 ( ( PUNCT ispiv-91 98 10 to to ADP ispiv-91 98 11 the the DET ispiv-91 98 12 authors author NOUN ispiv-91 98 13 knowledge knowledge NOUN ispiv-91 98 14 ) ) PUNCT ispiv-91 98 15 do do AUX ispiv-91 98 16 visualized visualize VERB ispiv-91 98 17 the the DET ispiv-91 98 18 rarefication rarefication NOUN ispiv-91 98 19 wave wave NOUN ispiv-91 98 20 inside inside ADP ispiv-91 98 21 a a DET ispiv-91 98 22 transparent transparent ADJ ispiv-91 98 23 projectile projectile NOUN ispiv-91 98 24 undergoing undergo VERB ispiv-91 98 25 water water NOUN ispiv-91 98 26 hammer hammer NOUN ispiv-91 98 27 , , PUNCT ispiv-91 98 28 and and CCONJ ispiv-91 98 29 also also ADV ispiv-91 98 30 proved prove VERB ispiv-91 98 31 that that SCONJ ispiv-91 98 32 the the DET ispiv-91 98 33 experimental experimental ADJ ispiv-91 98 34 facility facility NOUN ispiv-91 98 35 and and CCONJ ispiv-91 98 36 the the DET ispiv-91 98 37 available available ADJ ispiv-91 98 38 tools tool NOUN ispiv-91 98 39 are be AUX ispiv-91 98 40 suitable suitable ADJ ispiv-91 98 41 for for ADP ispiv-91 98 42 the the DET ispiv-91 98 43 purpose purpose NOUN ispiv-91 98 44 non non ADJ ispiv-91 98 45 - - ADJ ispiv-91 98 46 intrusive intrusive ADJ ispiv-91 98 47 measurements measurement NOUN ispiv-91 98 48 in in ADP ispiv-91 98 49 a a DET ispiv-91 98 50 water water NOUN ispiv-91 98 51 hammer hammer NOUN ispiv-91 98 52 . . PUNCT ispiv-91 99 1 however however ADV ispiv-91 99 2 , , PUNCT ispiv-91 99 3 due due ADP ispiv-91 99 4 to to ADP ispiv-91 99 5 the the DET ispiv-91 99 6 very very ADV ispiv-91 99 7 high high ADJ ispiv-91 99 8 speed speed NOUN ispiv-91 99 9 of of ADP ispiv-91 99 10 the the DET ispiv-91 99 11 shock shock NOUN ispiv-91 99 12 wave wave NOUN ispiv-91 99 13 due due ADP ispiv-91 99 14 to to ADP ispiv-91 99 15 the the DET ispiv-91 99 16 water water NOUN ispiv-91 99 17 hammer hammer NOUN ispiv-91 99 18 , , PUNCT ispiv-91 99 19 an an DET ispiv-91 99 20 acquisition acquisition NOUN ispiv-91 99 21 rate rate NOUN ispiv-91 99 22 of of ADP ispiv-91 99 23 40000 40000 NUM ispiv-91 99 24 fps fps NOUN ispiv-91 99 25 is be AUX ispiv-91 99 26 not not PART ispiv-91 99 27 enough enough ADJ ispiv-91 99 28 to to PART ispiv-91 99 29 completely completely ADV ispiv-91 99 30 resolve resolve VERB ispiv-91 99 31 the the DET ispiv-91 99 32 flow flow NOUN ispiv-91 99 33 field field NOUN ispiv-91 99 34 undergoing undergo VERB ispiv-91 99 35 water water NOUN ispiv-91 99 36 hammer hammer NOUN ispiv-91 99 37 , , PUNCT ispiv-91 99 38 thus thus ADV ispiv-91 99 39 a a DET ispiv-91 99 40 better well ADJ ispiv-91 99 41 high high ADJ ispiv-91 99 42 - - PUNCT ispiv-91 99 43 speed speed NOUN ispiv-91 99 44 camera camera NOUN ispiv-91 99 45 has have AUX ispiv-91 99 46 been be AUX ispiv-91 99 47 chosen choose VERB ispiv-91 99 48 for for ADP ispiv-91 99 49 the the DET ispiv-91 99 50 piv piv NOUN ispiv-91 99 51 measurements measurement NOUN ispiv-91 99 52 ( ( PUNCT ispiv-91 99 53 as as SCONJ ispiv-91 99 54 discussed discuss VERB ispiv-91 99 55 above above ADV ispiv-91 99 56 ) ) PUNCT ispiv-91 99 57 . . PUNCT ispiv-91 100 1 some some PRON ispiv-91 100 2 of of ADP ispiv-91 100 3 the the DET ispiv-91 100 4 piv piv NOUN ispiv-91 100 5 raw raw ADJ ispiv-91 100 6 images image NOUN ispiv-91 100 7 collected collect VERB ispiv-91 100 8 with with ADP ispiv-91 100 9 the the DET ispiv-91 100 10 idt idt ADJ ispiv-91 100 11 camera camera NOUN ispiv-91 100 12 at at ADP ispiv-91 100 13 100000 100000 NUM ispiv-91 100 14 fps fps NOUN ispiv-91 100 15 are be AUX ispiv-91 100 16 shown show VERB ispiv-91 100 17 in in ADP ispiv-91 100 18 figure figure NOUN ispiv-91 100 19 7 7 NUM ispiv-91 100 20 . . PUNCT ispiv-91 101 1 at at ADP ispiv-91 101 2 this this DET ispiv-91 101 3 stage stage NOUN ispiv-91 101 4 only only ADV ispiv-91 101 5 some some DET ispiv-91 101 6 qualitative qualitative ADJ ispiv-91 101 7 analysis analysis NOUN ispiv-91 101 8 has have AUX ispiv-91 101 9 been be AUX ispiv-91 101 10 performed perform VERB ispiv-91 101 11 on on ADP ispiv-91 101 12 these these DET ispiv-91 101 13 images image NOUN ispiv-91 101 14 , , PUNCT ispiv-91 101 15 but but CCONJ ispiv-91 101 16 with with ADP ispiv-91 101 17 the the DET ispiv-91 101 18 implemented implement VERB ispiv-91 101 19 piv piv NOUN ispiv-91 101 20 technique technique NOUN ispiv-91 101 21 we we PRON ispiv-91 101 22 are be AUX ispiv-91 101 23 able able ADJ ispiv-91 101 24 to to PART ispiv-91 101 25 visualize visualize VERB ispiv-91 101 26 and and CCONJ ispiv-91 101 27 follow follow VERB ispiv-91 101 28 the the DET ispiv-91 101 29 water water NOUN ispiv-91 101 30 flow flow NOUN ispiv-91 101 31 field field NOUN ispiv-91 101 32 undergoing undergo VERB ispiv-91 101 33 water water NOUN ispiv-91 101 34 hammer hammer NOUN ispiv-91 101 35 . . PUNCT ispiv-91 102 1 the the DET ispiv-91 102 2 presence presence NOUN ispiv-91 102 3 of of ADP ispiv-91 102 4 some some DET ispiv-91 102 5 bubbles bubble NOUN ispiv-91 102 6 due due ADP ispiv-91 102 7 to to ADP ispiv-91 102 8 the the DET ispiv-91 102 9 rarefication rarefication NOUN ispiv-91 102 10 wave wave NOUN ispiv-91 102 11 is be AUX ispiv-91 102 12 evident evident ADJ ispiv-91 102 13 . . PUNCT ispiv-91 103 1 some some DET ispiv-91 103 2 piv piv NOUN ispiv-91 103 3 software software NOUN ispiv-91 103 4 could could AUX ispiv-91 103 5 be be AUX ispiv-91 103 6 used use VERB ispiv-91 103 7 to to PART ispiv-91 103 8 compute compute VERB ispiv-91 103 9 the the DET ispiv-91 103 10 time time NOUN ispiv-91 103 11 resolved resolve VERB ispiv-91 103 12 local local ADJ ispiv-91 103 13 flow flow NOUN ispiv-91 103 14 velocities velocity NOUN ispiv-91 103 15 inside inside ADP ispiv-91 103 16 the the DET ispiv-91 103 17 projectile projectile NOUN ispiv-91 103 18 undergoing undergo VERB ispiv-91 103 19 water water NOUN ispiv-91 103 20 hammer hammer NOUN ispiv-91 103 21 . . PUNCT ispiv-91 104 1 5 5 NUM ispiv-91 104 2 conclusions conclusion NOUN ispiv-91 104 3 a a DET ispiv-91 104 4 new new ADJ ispiv-91 104 5 experimental experimental ADJ ispiv-91 104 6 facility facility NOUN ispiv-91 104 7 that that PRON ispiv-91 104 8 address address VERB ispiv-91 104 9 the the DET ispiv-91 104 10 challenge challenge NOUN ispiv-91 104 11 to to PART ispiv-91 104 12 measure measure VERB ispiv-91 104 13 relaxation relaxation NOUN ispiv-91 104 14 coefficient coefficient NOUN ispiv-91 104 15 of of ADP ispiv-91 104 16 very very ADV ispiv-91 104 17 fast fast ADJ ispiv-91 104 18 phenomena phenomena NOUN ispiv-91 104 19 such such ADJ ispiv-91 104 20 as as ADP ispiv-91 104 21 water water NOUN ispiv-91 104 22 hammers hammer NOUN ispiv-91 104 23 has have AUX ispiv-91 104 24 been be AUX ispiv-91 104 25 presented present VERB ispiv-91 104 26 in in ADP ispiv-91 104 27 this this DET ispiv-91 104 28 paper paper NOUN ispiv-91 104 29 . . PUNCT ispiv-91 105 1 a a DET ispiv-91 105 2 first first ADJ ispiv-91 105 3 of of ADP ispiv-91 105 4 a a DET ispiv-91 105 5 kind kind NOUN ispiv-91 105 6 very very ADV ispiv-91 105 7 fast fast ADJ ispiv-91 105 8 shadowgraphy shadowgraphy NOUN ispiv-91 105 9 and and CCONJ ispiv-91 105 10 piv piv NOUN ispiv-91 105 11 techniques technique NOUN ispiv-91 105 12 have have AUX ispiv-91 105 13 been be AUX ispiv-91 105 14 deployed deploy VERB ispiv-91 105 15 for for ADP ispiv-91 105 16 the the DET ispiv-91 105 17 measurements measurement NOUN ispiv-91 105 18 of of ADP ispiv-91 105 19 such such ADJ ispiv-91 105 20 fast fast ADJ ispiv-91 105 21 phenomena phenomenon NOUN ispiv-91 105 22 . . PUNCT ispiv-91 106 1 it it PRON ispiv-91 106 2 has have AUX ispiv-91 106 3 been be AUX ispiv-91 106 4 demonstrated demonstrate VERB ispiv-91 106 5 that that SCONJ ispiv-91 106 6 the the DET ispiv-91 106 7 tools tool NOUN ispiv-91 106 8 used use VERB ispiv-91 106 9 for for ADP ispiv-91 106 10 these these DET ispiv-91 106 11 measurements measurement NOUN ispiv-91 106 12 give give VERB ispiv-91 106 13 useful useful ADJ ispiv-91 106 14 results result NOUN ispiv-91 106 15 for for ADP ispiv-91 106 16 the the DET ispiv-91 106 17 understanding understanding NOUN ispiv-91 106 18 of of ADP ispiv-91 106 19 the the DET ispiv-91 106 20 flow flow NOUN ispiv-91 106 21 fields field NOUN ispiv-91 106 22 figure figure VERB ispiv-91 106 23 6 6 NUM ispiv-91 106 24 : : PUNCT ispiv-91 106 25 shadowgraphy shadowgraphy NOUN ispiv-91 106 26 images image NOUN ispiv-91 106 27 of of ADP ispiv-91 106 28 water water NOUN ispiv-91 106 29 hammer hammer NOUN ispiv-91 106 30 : : PUNCT ispiv-91 106 31 ( ( PUNCT ispiv-91 106 32 a a X ispiv-91 106 33 ) ) PUNCT ispiv-91 106 34 frame frame NOUN ispiv-91 106 35 1 1 NUM ispiv-91 106 36 ; ; PUNCT ispiv-91 106 37 ( ( PUNCT ispiv-91 106 38 b b X ispiv-91 106 39 ) ) PUNCT ispiv-91 106 40 frame frame NOUN ispiv-91 106 41 2 2 NUM ispiv-91 106 42 ; ; PUNCT ispiv-91 106 43 ( ( PUNCT ispiv-91 106 44 c c X ispiv-91 106 45 ) ) PUNCT ispiv-91 106 46 frame frame NOUN ispiv-91 106 47 3 3 NUM ispiv-91 106 48 ; ; PUNCT ispiv-91 106 49 ( ( PUNCT ispiv-91 106 50 d d X ispiv-91 106 51 ) ) PUNCT ispiv-91 106 52 frame frame NOUN ispiv-91 106 53 4 4 NUM ispiv-91 106 54 ; ; PUNCT ispiv-91 106 55 ( ( PUNCT ispiv-91 106 56 e e NOUN ispiv-91 106 57 ) ) PUNCT ispiv-91 106 58 frame frame NOUN ispiv-91 106 59 5 5 NUM ispiv-91 106 60 ; ; PUNCT ispiv-91 106 61 ( ( PUNCT ispiv-91 106 62 f f X ispiv-91 106 63 ) ) PUNCT ispiv-91 106 64 frame frame NOUN ispiv-91 106 65 6 6 NUM ispiv-91 106 66 . . PUNCT ispiv-91 107 1 figure figure VERB ispiv-91 107 2 7 7 NUM ispiv-91 107 3 : : PUNCT ispiv-91 107 4 piv piv NOUN ispiv-91 107 5 raw raw ADJ ispiv-91 107 6 images image NOUN ispiv-91 107 7 of of ADP ispiv-91 107 8 water water NOUN ispiv-91 107 9 hammer hammer NOUN ispiv-91 107 10 : : PUNCT ispiv-91 107 11 ( ( PUNCT ispiv-91 107 12 a a X ispiv-91 107 13 ) ) PUNCT ispiv-91 107 14 frame frame NOUN ispiv-91 107 15 400 400 NUM ispiv-91 107 16 ; ; PUNCT ispiv-91 107 17 ( ( PUNCT ispiv-91 107 18 b b X ispiv-91 107 19 ) ) PUNCT ispiv-91 107 20 frame frame NOUN ispiv-91 107 21 450 450 NUM ispiv-91 107 22 ; ; PUNCT ispiv-91 107 23 ( ( PUNCT ispiv-91 107 24 c c X ispiv-91 107 25 ) ) PUNCT ispiv-91 107 26 frame frame NOUN ispiv-91 107 27 500 500 NUM ispiv-91 107 28 ; ; PUNCT ispiv-91 107 29 ( ( PUNCT ispiv-91 107 30 d d X ispiv-91 107 31 ) ) PUNCT ispiv-91 107 32 frame frame NOUN ispiv-91 107 33 550 550 NUM ispiv-91 107 34 ; ; PUNCT ispiv-91 107 35 ( ( PUNCT ispiv-91 107 36 e e NOUN ispiv-91 107 37 ) ) PUNCT ispiv-91 107 38 frame frame NOUN ispiv-91 107 39 600 600 NUM ispiv-91 107 40 ; ; PUNCT ispiv-91 107 41 ( ( PUNCT ispiv-91 107 42 f f X ispiv-91 107 43 ) ) PUNCT ispiv-91 107 44 frame frame NOUN ispiv-91 107 45 650 650 NUM ispiv-91 107 46 ; ; PUNCT ispiv-91 107 47 ( ( PUNCT ispiv-91 107 48 g g NOUN ispiv-91 107 49 ) ) PUNCT ispiv-91 107 50 frame frame NOUN ispiv-91 107 51 700 700 NUM ispiv-91 107 52 . . PUNCT ispiv-91 108 1 in in ADP ispiv-91 108 2 a a DET ispiv-91 108 3 water water NOUN ispiv-91 108 4 hammer hammer NOUN ispiv-91 108 5 a a DET ispiv-91 108 6 represent represent VERB ispiv-91 108 7 a a DET ispiv-91 108 8 first first ADJ ispiv-91 108 9 step step NOUN ispiv-91 108 10 in in ADP ispiv-91 108 11 the the DET ispiv-91 108 12 development development NOUN ispiv-91 108 13 of of ADP ispiv-91 108 14 further further ADJ ispiv-91 108 15 techniques technique NOUN ispiv-91 108 16 for for ADP ispiv-91 108 17 the the DET ispiv-91 108 18 measurement measurement NOUN ispiv-91 108 19 of of ADP ispiv-91 108 20 relaxation relaxation NOUN ispiv-91 108 21 coefficients coefficient NOUN ispiv-91 108 22 . . PUNCT ispiv-91 109 1 several several ADJ ispiv-91 109 2 challenges challenge NOUN ispiv-91 109 3 have have AUX ispiv-91 109 4 been be AUX ispiv-91 109 5 overcome overcome VERB ispiv-91 109 6 in in ADP ispiv-91 109 7 order order NOUN ispiv-91 109 8 to to PART ispiv-91 109 9 trigger trigger VERB ispiv-91 109 10 and and CCONJ ispiv-91 109 11 synchronize synchronize VERB ispiv-91 109 12 in in ADP ispiv-91 109 13 a a DET ispiv-91 109 14 very very ADV ispiv-91 109 15 precise precise ADJ ispiv-91 109 16 way way NOUN ispiv-91 109 17 all all DET ispiv-91 109 18 the the DET ispiv-91 109 19 tools tool NOUN ispiv-91 109 20 used use VERB ispiv-91 109 21 for for ADP ispiv-91 109 22 the the DET ispiv-91 109 23 piv piv NOUN ispiv-91 109 24 measurements measurement NOUN ispiv-91 109 25 . . PUNCT ispiv-91 110 1 further further ADJ ispiv-91 110 2 piv piv NOUN ispiv-91 110 3 measurements measurement NOUN ispiv-91 110 4 will will AUX ispiv-91 110 5 be be AUX ispiv-91 110 6 performed perform VERB ispiv-91 110 7 on on ADP ispiv-91 110 8 a a DET ispiv-91 110 9 new new ADJ ispiv-91 110 10 projectile projectile NOUN ispiv-91 110 11 , , PUNCT ispiv-91 110 12 which which PRON ispiv-91 110 13 will will AUX ispiv-91 110 14 allow allow VERB ispiv-91 110 15 to to PART ispiv-91 110 16 have have VERB ispiv-91 110 17 several several ADJ ispiv-91 110 18 repetitions repetition NOUN ispiv-91 110 19 of of ADP ispiv-91 110 20 the the DET ispiv-91 110 21 measurements measurement NOUN ispiv-91 110 22 , , PUNCT ispiv-91 110 23 acquiring acquire VERB ispiv-91 110 24 a a DET ispiv-91 110 25 statistic statistic NOUN ispiv-91 110 26 on on ADP ispiv-91 110 27 the the DET ispiv-91 110 28 measurements measurement NOUN ispiv-91 110 29 . . PUNCT ispiv-91 111 1 the the DET ispiv-91 111 2 new new ADJ ispiv-91 111 3 projectile projectile NOUN ispiv-91 111 4 has have VERB ispiv-91 111 5 a a DET ispiv-91 111 6 titanium titanium NOUN ispiv-91 111 7 body body NOUN ispiv-91 111 8 to to PART ispiv-91 111 9 resist resist VERB ispiv-91 111 10 the the DET ispiv-91 111 11 strong strong ADJ ispiv-91 111 12 impacts impact NOUN ispiv-91 111 13 and and CCONJ ispiv-91 111 14 a a DET ispiv-91 111 15 sapphire sapphire NOUN ispiv-91 111 16 tube tube NOUN ispiv-91 111 17 to to PART ispiv-91 111 18 resist resist VERB ispiv-91 111 19 the the DET ispiv-91 111 20 internal internal ADJ ispiv-91 111 21 pressure pressure NOUN ispiv-91 111 22 and and CCONJ ispiv-91 111 23 allow allow VERB ispiv-91 111 24 uv uv NOUN ispiv-91 111 25 light light NOUN ispiv-91 111 26 to to PART ispiv-91 111 27 pass pass VERB ispiv-91 111 28 trough trough NOUN ispiv-91 111 29 ( ( PUNCT ispiv-91 111 30 needed need VERB ispiv-91 111 31 for for ADP ispiv-91 111 32 eventual eventual ADJ ispiv-91 111 33 absorption absorption NOUN ispiv-91 111 34 spectroscopy spectroscopy NOUN ispiv-91 111 35 measurements measurement NOUN ispiv-91 111 36 ) ) PUNCT ispiv-91 111 37 . . PUNCT ispiv-91 112 1 references reference NOUN ispiv-91 112 2 berry berry VERB ispiv-91 112 3 r r NOUN ispiv-91 112 4 , , PUNCT ispiv-91 112 5 zou zou PROPN ispiv-91 112 6 l l PROPN ispiv-91 112 7 , , PUNCT ispiv-91 112 8 zhao zhao PROPN ispiv-91 112 9 h h PROPN ispiv-91 112 10 , , PUNCT ispiv-91 112 11 andrs andrs ADV ispiv-91 112 12 d d X ispiv-91 112 13 et et PROPN ispiv-91 112 14 al al PROPN ispiv-91 112 15 . . PROPN ispiv-91 113 1 ( ( PUNCT ispiv-91 113 2 2013 2013 NUM ispiv-91 113 3 ) ) PUNCT ispiv-91 113 4 relap-7 relap-7 NUM ispiv-91 113 5 : : PUNCT ispiv-91 113 6 demonstrating demonstrate VERB ispiv-91 113 7 seven seven NUM ispiv-91 113 8 - - PUNCT ispiv-91 113 9 equation equation NOUN ispiv-91 113 10 , , PUNCT ispiv-91 113 11 two two NUM ispiv-91 113 12 - - PUNCT ispiv-91 113 13 phase phase NOUN ispiv-91 113 14 . . PUNCT ispiv-91 114 1 technical technical ADJ ispiv-91 114 2 report report NOUN ispiv-91 114 3 . . PUNCT ispiv-91 115 1 idaho idaho PROPN ispiv-91 115 2 national national PROPN ispiv-91 115 3 laboratory laboratory PROPN ispiv-91 115 4 ( ( PUNCT ispiv-91 115 5 inl inl NOUN ispiv-91 115 6 ) ) PUNCT ispiv-91 115 7 berry berry NOUN ispiv-91 115 8 ra ra PROPN ispiv-91 115 9 , , PUNCT ispiv-91 115 10 peterson peterson PROPN ispiv-91 115 11 jw jw PROPN ispiv-91 115 12 , , PUNCT ispiv-91 115 13 zhang zhang PROPN ispiv-91 115 14 h h PROPN ispiv-91 115 15 , , PUNCT ispiv-91 115 16 martineau martineau PROPN ispiv-91 115 17 rc rc PROPN ispiv-91 115 18 , , PUNCT ispiv-91 115 19 zhao zhao PROPN ispiv-91 115 20 h h PROPN ispiv-91 115 21 , , PUNCT ispiv-91 115 22 zou zou PROPN ispiv-91 115 23 l l PROPN ispiv-91 115 24 , , PUNCT ispiv-91 115 25 andrs andrs ADV ispiv-91 115 26 d d NOUN ispiv-91 115 27 , , PUNCT ispiv-91 115 28 and and CCONJ ispiv-91 115 29 hansel hansel PROPN ispiv-91 115 30 j j PROPN ispiv-91 115 31 ( ( PUNCT ispiv-91 115 32 2018 2018 NUM ispiv-91 115 33 ) ) PUNCT ispiv-91 115 34 relap-7 relap-7 NUM ispiv-91 115 35 theory theory NOUN ispiv-91 115 36 manual manual NOUN ispiv-91 115 37 . . PUNCT ispiv-91 116 1 technical technical ADJ ispiv-91 116 2 report report NOUN ispiv-91 116 3 . . PUNCT ispiv-91 117 1 idaho idaho PROPN ispiv-91 117 2 national national PROPN ispiv-91 117 3 lab.(inl lab.(inl PROPN ispiv-91 117 4 ) ) PUNCT ispiv-91 117 5 , , PUNCT ispiv-91 117 6 idaho idaho PROPN ispiv-91 117 7 falls fall VERB ispiv-91 117 8 , , PUNCT ispiv-91 117 9 i i PROPN ispiv-91 117 10 d d PROPN ispiv-91 117 11 ( ( PUNCT ispiv-91 117 12 united united PROPN ispiv-91 117 13 states states PROPN ispiv-91 117 14 ) ) PUNCT ispiv-91 118 1 berry berry VERB ispiv-91 118 2 ra ra PROPN ispiv-91 118 3 , , PUNCT ispiv-91 118 4 zou zou PROPN ispiv-91 118 5 l l PROPN ispiv-91 118 6 , , PUNCT ispiv-91 118 7 and and CCONJ ispiv-91 118 8 andrs andrs PROPN ispiv-91 118 9 d d X ispiv-91 118 10 ( ( PUNCT ispiv-91 118 11 2015 2015 NUM ispiv-91 118 12 ) ) PUNCT ispiv-91 118 13 relap-7 relap-7 NUM ispiv-91 118 14 progress progress NOUN ispiv-91 118 15 report report NOUN ispiv-91 118 16 . . PUNCT ispiv-91 119 1 fy-2015 fy-2015 PROPN ispiv-91 119 2 optimization optimization NOUN ispiv-91 119 3 activities activity NOUN ispiv-91 119 4 summary summary NOUN ispiv-91 119 5 . . PUNCT ispiv-91 120 1 technical technical ADJ ispiv-91 120 2 report report NOUN ispiv-91 120 3 . . PUNCT ispiv-91 121 1 idaho idaho PROPN ispiv-91 121 2 national national PROPN ispiv-91 121 3 lab.(inl lab.(inl PROPN ispiv-91 121 4 ) ) PUNCT ispiv-91 121 5 , , PUNCT ispiv-91 121 6 idaho idaho PROPN ispiv-91 121 7 falls fall VERB ispiv-91 121 8 , , PUNCT ispiv-91 121 9 i i PROPN ispiv-91 121 10 d d PROPN ispiv-91 121 11 ( ( PUNCT ispiv-91 121 12 united united PROPN ispiv-91 121 13 states states PROPN ispiv-91 121 14 ) ) PUNCT ispiv-91 122 1 brito brito PROPN ispiv-91 122 2 m m PROPN ispiv-91 122 3 , , PUNCT ispiv-91 122 4 sanches sanches PROPN ispiv-91 122 5 p p PROPN ispiv-91 122 6 , , PUNCT ispiv-91 122 7 ferreira ferreira PROPN ispiv-91 122 8 rm rm PROPN ispiv-91 122 9 , , PUNCT ispiv-91 122 10 and and CCONJ ispiv-91 122 11 covas covas PROPN ispiv-91 122 12 di di X ispiv-91 122 13 ( ( PUNCT ispiv-91 122 14 2014 2014 NUM ispiv-91 122 15 ) ) PUNCT ispiv-91 122 16 piv piv NOUN ispiv-91 122 17 characterization characterization NOUN ispiv-91 122 18 of of ADP ispiv-91 122 19 transient transient ADJ ispiv-91 122 20 flow flow NOUN ispiv-91 122 21 in in ADP ispiv-91 122 22 pipe pipe NOUN ispiv-91 122 23 coils coil NOUN ispiv-91 122 24 . . PUNCT ispiv-91 123 1 procedia procedia PROPN ispiv-91 123 2 engineering engineering PROPN ispiv-91 123 3 89:1358–1365 89:1358–1365 PROPN ispiv-91 123 4 rohrbach rohrbach VERB ispiv-91 123 5 z z PROPN ispiv-91 123 6 , , PUNCT ispiv-91 123 7 buresh buresh PROPN ispiv-91 123 8 t t PROPN ispiv-91 123 9 , , PUNCT ispiv-91 123 10 and and CCONJ ispiv-91 123 11 madsen madsen PROPN ispiv-91 123 12 m m PROPN ispiv-91 123 13 ( ( PUNCT ispiv-91 123 14 2012 2012 NUM ispiv-91 123 15 ) ) PUNCT ispiv-91 123 16 modeling model VERB ispiv-91 123 17 the the DET ispiv-91 123 18 exit exit NOUN ispiv-91 123 19 velocity velocity NOUN ispiv-91 123 20 of of ADP ispiv-91 123 21 a a DET ispiv-91 123 22 compressed compressed ADJ ispiv-91 123 23 air air NOUN ispiv-91 123 24 cannon cannon NOUN ispiv-91 123 25 . . PUNCT ispiv-91 124 1 american american ADJ ispiv-91 124 2 journal journal PROPN ispiv-91 124 3 of of ADP ispiv-91 124 4 physics physics PROPN ispiv-91 124 5 80:24–26 80:24–26 PROPN ispiv-91 124 6 introduction introduction NOUN ispiv-91 124 7 experimental experimental ADJ ispiv-91 124 8 facility facility NOUN ispiv-91 124 9 piv piv NOUN ispiv-91 124 10 and and CCONJ ispiv-91 124 11 shadowgraphy shadowgraphy NOUN ispiv-91 124 12 setup setup NOUN ispiv-91 124 13 results result VERB ispiv-91 124 14 conclusions conclusion NOUN