id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
alkej-110	Hoshi, Hisham Assi	تحقيق عملي من تأثير نسبة الأنحناء على انتقال الحرارة في مبادل حراري حلزوني مزدوج الأنبوب	2018	9	.pdf	application/pdf	3376	194	64	The heat transfer rate is averaged between the heat supplied by inner hot water and the heat absorbed by the annulus cold water Q avg = �� �������,����,���� �������,����,�� � � ...(1) The overall heat transfer coefficient (�) is calculated as follow [17]: � = � ! [2] D.G. Prabhanjan, G.S.V. Raghavan, T.J. Rennie, comparison of heat transfer rates between a straight tube heat exchanger and a helically coiled heat exchanger International Communications in, Heat and mass Transfer 29 (2) (2002) 185-191, [3] Y.I.Kim, S.H.Kim, Y.D.Hwang, J.H. Park, Numerical investigation on the similarity of developing laminar flows in helical pipes,Nucl.	cache/alkej-110.pdf	txt/alkej-110.txt