 | 1891 - 592 páginas
...whence HL in which H = Friction Head in feet, V = Actual Velocity of the water in feet per second, L = Length of Pipe in feet, D = Diameter of Pipe in inches. Equation 5 is the form adopted in this Computer, and the method of effecting a calculation is exceedingly... | |
 | 1893 - 916 páginas
...V '" D in which H ' = Friction Head in Feet, / ' = Actual Velocity of the water in feet per second, L =- Length of Pipe in feet, D = Diameter of pipe in inches. The other scales enable the discharge in cubic feet per minute for any given diameter of pipe and the... | |
 | Power - 1897 - 252 páginas
...per minute. D = density of steam at initial pressure. />! = initial pressure. p2 = final pressure. L =; length of pipe in feet. d = diameter of pipe in inches. Table XVI gives the flow of steam in pounds per minute through 100 foot lengths of standard pipe-sizes... | |
 | International Correspondence Schools - 1900 - 728 páginas
...table and will be found useful in many instances: F = jj~-y((4F2 +5t'— 2), where /" ^ friction head; L --- length of pipe in feet; D -- diameter of pipe in inches; )' « velocity in feet per second. Friction of Knees and Bends.— This subject has not been investigated... | |
 | F. R. Low - 1903 - 256 páginas
...per minute. D = density of steam at initial pressure. />! = initial pressure. p2 = final pressure. L = length of pipe in feet. d = diameter of pipe in inches. Table XVI gives the flow of steam in pounds per minute through 100 foot lengths of standard pipe-sizes... | |
 | Australasian Institute of Mining and Metallurgy - 1904 - 794 páginas
...in which p = loss of pressure in pounds per square inch. w = delivery of gas in pounds per minute. L = length of pipe in feet. d = diameter of pipe in inches. D = density of gas in pounds per cubic foot. This formula is applicable to air under all degrees of... | |
 | 1905 - 718 páginas
...steam, weight per cubic foot, at initial pressure pc, pt = initial pressure; p, — final pressure; L = length of pipe, in feet; d = diameter of pipe, in inches. The difference pt — p, is equal to the drop in pressure in the pipe. If we consider the drop in pressure... | |
 | International Correspondence Schools - 1905 - 448 páginas
...which p = loss of pressure, in ounces per square inch; v = velocity of air, in feet per second; ' = length of pipe, in feet; d — diameter of pipe, in inches. in* p 25,000 d1 _ 25,000 pd 25,000 p The horsepower lost in friction in a pipe 100 ft. long may be expressed... | |
 | 1905 - 862 páginas
...steam, weight per cubic foot, at initial pressure pc, pi = initial pressure; /i, = final pressure; L = length of pipe, in feet; d = diameter of pipe, in inches. The difference /i, - p, is equal to the drop in pressure in the pipe. If we consider the drop in pressure... | |
 | Robert Culbertson Hays Heck - 1905 - 414 páginas
...velocity of current, in feet per second; d=specific weight of steam, in pounds per cubic foot, at p,; L= length of pipe, in feet; D =diameter of pipe, in inches. The rational portion of the formula is derived as follows; A pipe of diameter D (here in feet) and... | |
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Pi = pressure of steam at discharge, in pounds per square inch; L = length of pipe, in feet; d = diameter of pipe, in inches. In... 
