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 30
he piezometer is thevelocity head at the point considered. If the pipe is of uniform diameter this difference is ojtcourse a constant throughout the length of the pipe as the velocity is constant. The difference between the total and resistance heads is read direct on the manometer byconnecting the… … head at any subsequent point or section, total head being the sum of the static or friction headplus the velocity head. See Fig. 4. H = hs + hv, where H = total head measured in feet of fluid flowing. pt hs = static or friction head measured in feet of fluid V/ flowing. Jiy = velocity head measured…
Building · Heating · Ventilation
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