id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
alkej-400	Saleh, Ahmed Abd Mohammed; Shabeeb, Ali Reyadh	التخمين النظري للتوزيع الامثل للماء المثلج في الوحدات الطرفية في منظومة التكييف المركزية	2019	10	.pdf	application/pdf	4186	178	63	For turbulent: K� = 0.023*\l(.�*;�(.� … (21) where ;� = P�∗� B … (22) C) Flow variation and standard deviation The following equation evaluates the standard deviation: �� = �� c ∑ (���� − c3�� ���� )² … (23) where, (�����,�����.…flow�) are the values of the flow calculated and � ���� � is the average value of these flow, while the denominator N stands for the size of the sample(in the present work = 3). Ahmed Abd Mohammed Saleh Al-Khwarizmi Engineering Journal, Vol. 14, No. 2, P.P. 137- 146 (2018) 139 A) Hydraulic model To calculate the head losses in the pipe: h� = h������ + h��� �� ... (1)	cache/alkej-400.pdf	txt/alkej-400.txt