Mechanical equipment of buildings; a reference book for engineers and architects (1916)
Harding, Louis Allen, Willard, Arthur C. (Arthur Cutts), 1878-1960 · New York Wiley · leaf 368
y lift andcreate the velocity of discharge.hi = head lost at entry to suction pipe.h2 = head lost in friction in suction pipe.hi = head lost in pump suction valves. hi = velocity head in suction pipe = —^, Vs = vel. in ft. per sec. 2g hi = measured suction head. Hg = total suction head. = h + hi… … Surnp Fig. 2. 342 POWER PLANTS AND REFRIGERATION ha = final velocity head = ——, Vd = vel. in ft. per sec. 29 hs H = measured delivery head.= total delivery head, ft.= hi + hi + h + hs. = (Hs — h) + Hd, assuming the suction and delivery pipes to be of the same size.= (^1 +h2 + hi +h, + h,) + {In +…
Building · Heating · Ventilation
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