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 31
y Bernoullis theorem to the case of water issuingfrom the base of a stand pipe. See Fig. 1. The pressure at A is atmospheric (Pa) and within the jet at B it is also atmospheric. Thevelocity at A is zero °+*+-ir = -& + 0+ir .. H = — or V = ^2gH 2g Case II. (Flow with friction): Since friction… … Q/T~ !-£ ^~\0mn ^MiAs vmp. Fig. 5. between any two sections is therefore the difference between the total heads at these sections.(Fig. 4.) The total head at A = 0 + H + D V2 P The total head at C = — - + 0 + —f2g O (P \ (V2 Pa\ 0 + H + ~d) ~~ \2~ + ° + ~D) = H ~ 29 WATER, STEAM, AND AIR 21 By…
Building · Heating · Ventilation
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