id	keyword
fis-2175	energy
fis-2175	sensor
fis-2175	harvesting
fis-2175	gkoumas
fis-2175	piezoelectric
fis-2175	hvac
fis-2175	project
fis-2175	wind
fis-2175	development
fis-2175	design
fis-2175	engineering
fis-2175	numerical
fis-2175	systems