 Va is the cubic feet of free air passing per second, r is the compression ratio (obtained by adding the gauge pressure of the air to 14.7 and dividing by 14.7), c is a constant depending upon the diameter of the pipe as follows: " Harris, EG, "Compressed...  The Theory and Practice of Ore Dressing - Page 128by Edward Saxton Wiard - 1915 - 426 pagesFull view - About this book
 | Henry Fidler - 1891 - 416 pages
...the actual head reduced by the various losses of head due to bends, etc. (see P, 268); L is the total length of the pipe in feet ; D is the diameter of the pipe in feet. NevittSs formula is said to be more accurate than Eytelwein's, but it is more complicated and is as... | |
 | 1891 - 418 pages
...the actual head reduced by the various losses of head due to bends, etc. (see p. 268); L is the total length of the pipe in feet ; D is the diameter of the pipe in feet. Nevilles formula is said to be more accurate than Eytelwein's, but it is more complicated and is as... | |
 | William Wade Fitzherbert Pullen - 1902 - 436 pages
...pipe, measured in feet of water, is given approximately by the expression — cl v* d ' 2g where / is the length of the pipe in feet, d is the diameter of the pipe in feet, and c is a coefficient. This expression can be verified in the following manner : — Arrange a long... | |
 | Richard Marion Parkinson - 1902 - 312 pages
...= 94- . ax A where h is the head in feet ; I is the length of the pipe in feet ; d is the diameter of the pipe in feet ; D is the diameter of the pipe in inches. Applying the formula to an open channel, in which a = 4 feet and V = 2 feet per second, we... | |
 | Florian Cajori - 1916 - 236 pages
...expression, h = -f .0036 + )¿-, where s is the speed of the water in d\ -^/g /32 feet per second, I is the length of the pipe in feet, d is the diameter of the pipe in inches, h is the head of the water in feet. Find the head required to overcome the friction in a 3-inch... | |
 | James Ambrose Moyer, Raymond Underwood Fittz, Raymond U. Fittz - 1928 - 460 pages
...found by the use of the following equation, 144 X 454 X d where V is the velocity in feet per second, L is the length of the pipe in feet, d is the diameter of the pipe in inches, and D is the density of the ammonia vapor in pounds per cubic foot. Amount of Pipe for Cooling... | |
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