 | Alexander Wynter Blyth - 1890 - 762 pages
...inches, Q the quantity of water in cubic feet per minute, I the length of the pipe in feet, and h — the difference of level between the surface of the water in the reservoir and at the end of the pipe, or the head; any three of the quantities being known, the fourth may be calculated... | |
 | Marvin E. Sullivan - 1900 - 336 pages
....H36363XCubic Feet per Second, ................ (99) 63.— Head of Water Defined.— By the term head is meant the difference of level between the surface of the water in the reservoir or head race, and the water surface in the tail race, to which must be added the head due to the mean... | |
 | Marvin E. Sullivan - 1900 - 338 pages
...Head= .1136363XCubic Feet per Second, (99) 63 — Head of Water DefIned. — By the term head is meant the difference of level between the surface of the water in the reservoir or head race, and the water surface in the tail race, to which must be added the head due to the mean... | |
 | International Correspondence Schools - 1902 - 794 pages
...25, in which case they are said to work drowned. Here the effective head is still the difference in level between the surface of the water in the reservoir and the surface of the tail-water, as will be made clear from the following: The total pressure on the top... | |
 | 1905 - 892 pages
...siphon into a reservoir in which the water is kept just overflowing by a stream from a tap. By changing the difference of level between the surface of the water in the reservoir and the lower end of the outflow tube 0, the current of water can be easily varied. With the apparatus in use... | |
 | Raymond Busquet - 1906 - 330 pages
...4:l , , „ 1 '5M2 inn ~ (a . u + b . M2) + — — = h + Z0 - Zi. 1) &g The second member represents the difference of level between the surface of the water in the reservoir and the lower end of the pipe, or in other words, the total effective head. This head is used up in overcoming... | |
 | 1913 - 530 pages
...careful attention to a number of details which do not readily occur to one familiar only with the theory. The difference of level between the surface of the water in the canal, and that of the Merrimack at ordinary stages of the water, was about twenty-five feet. There... | |
 | 1910 - 918 pages
...be the area of the orifice through the sluice at A, and ut that of the fixed orifice at B; let h\ be the difference of level between the surface of the water in the can'al and regulating chamber; ht the head above the centre of the discharging orifice, when the sluice... | |
 | Hugh Chisholm - 1910 - 990 pages
...the area of the orifice through the sluice at A, and шг that of the fixed orifice at В ; let hi be the difference of level between the surface of the water in the canal and regulating chamber; hi the head above the centre of the discharging orifice, when the sluice... | |
 | 1910 - 972 pages
...be the area of the orifice through the sluice at A, and uj that of the fixed orifice at B; let Ai be the difference of level between the surface of the water in the canal and regulating chamber; Aj the head above the centre of the discharging orifice, when the sluice... | |
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... which is equal to the difference of level between the surface of the water in the... 
