 | Association of Engineering Societies (U.S.) - Engineering - 1881 - 616 pages
...turberculated pipes : h = loss of head in feet by friction. / — length of pipe in feet. t' = mean velocity of flow in feet per second. d = diameter of pipe in feet. h = lOOOd Plot A is a graphical illustration of the loss of head for 100 feet of 6-inch pipe according... | |
 | Stephen Elmer Slocum - Hydraulics - 1917 - 358 pages
...this case should read h, = 0.38^ (63) where h% = friction head in feet per 1,000 ft. of pipe; v = mean velocity of flow in feet per second; d = diameter of pipe in feet. i EA MORITZ, Assoc. M. Am. Soc. CE, Engineer US Reclamation Service, "Experiments on the Flow of Water... | |
 | Julius Rosbloom, Orville R. Sawley - Diesel motor - 1922 - 662 pages
...If H = loss of head due to friction, or friction head in feet, L = length of straight pipe in feet, V = velocity of flow in feet per second, D = diameter of pipe in feet; we have the following formula for Friction Head: .02LV2 H = 64. 4D Pump Horse Power Formula: If allowance... | |
 | United States. Bureau of Reclamation - Engineering - 1948 - 936 pages
...as follows: Hp — (1) in which HF=head loss due to friction in feet per 1,000 feet of pipe Ks=loss coefficient, determined experimentally V = velocity...feet per second D = diameter of pipe in feet. Values for K8 vary for different types of pipe. For new continuous interior pipe unmarred by projections on... | |
 | Agriculture - 1966 - 882 pages
...diameter, found V=1.72 D°-T H°-BM and Q=1.35 D2-7 H0-"55, where (^discharge in second- feet; V, the mean velocity of flow in feet per second ; D, diameter of pipe in feet ; and H, friction loss per 1,000 feet of pipe. Based either on Kutter's formula or on one of the exponential... | |
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V = velocity of flow in feet per second D = diameter of pipe in feet. 