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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 358

An illustration from Mechanical equipment of buildings; a reference book for engineers and architects, 1916, leaf 358 — and create the velocity of discharge.hi =«= head lost at entry to suction pipe.hi = head lost in friction in suction pipe.hz = head lost in pump suction valves. Vs = vel. in ft. per sec. V 2h = velocity head in suction pipe = —^j hi = measured suction head.Hs = total suction head. = h + h2 + h + h9… … Fig. 2. 342 POWER PLANTS AND REFRIGERATION h* = final velocity head 2? Vd = vel. in ft. per sec. II = measured delivery head.= total delivery head, ft.= h4 + h + h6 + h. = (Hs — h) + HD, assuming the suction and delivery pipes to be of the same size.= (k +h2 + h3 + h4 + h) + (A, + h8) + h.= (lost…

Building · Heating · Ventilation

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