Water Supply Engineering |
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Page 35
... Crest ) Head Ratio H ( Head Used for Design of Shape ) 1 , C for free - flow straight ogee crest . 2 , C for drum gate crests . 3 , C for three or more openings of controlled ogee crest . 4 , C for one opening of several controlled ogee ...
... Crest ) Head Ratio H ( Head Used for Design of Shape ) 1 , C for free - flow straight ogee crest . 2 , C for drum gate crests . 3 , C for three or more openings of controlled ogee crest . 4 , C for one opening of several controlled ogee ...
Page 36
... crest shaped for a given ( b ) -Rounded design head masonry crest FIG . 10. - Diagrammatic sketch of distribution of total head to pressure head and velocity head . is properly aerated the pressure at the upper and lower water surface ...
... crest shaped for a given ( b ) -Rounded design head masonry crest FIG . 10. - Diagrammatic sketch of distribution of total head to pressure head and velocity head . is properly aerated the pressure at the upper and lower water surface ...
Page 37
... crest Distance to top Distance to bottom Upper surface of nappe tangent to W.S. 3H up stream from crest -Upper nappe of nappe of nappe -35 ° 1.757H 0.472H -30 ° 1.646H 0.488H -25 ° 1.550H 0.495H W.S. above weir -20 ° 1.470H 0.498H -15 ...
... crest Distance to top Distance to bottom Upper surface of nappe tangent to W.S. 3H up stream from crest -Upper nappe of nappe of nappe -35 ° 1.757H 0.472H -30 ° 1.646H 0.488H -25 ° 1.550H 0.495H W.S. above weir -20 ° 1.470H 0.498H -15 ...
Contents
INTRODUCTION | 1 |
Importance of Waterworks | 8 |
Waterworks Accounting | 15 |
Copyright | |
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artesian assumed average bottom capacity capita per day cent center of pressure cities coefficient concrete construction cost crest critical depth cross section curve determined diameter discharge distance drawdown drill effect effective size engineer equipment equivalent pipe evaporation factors feet formula friction gallons gates gravel ground water head loss hole hydraulic grade line Hydraulic Jump impervious inches inches of mercury intake Jour length loss of head material maximum Mean Annual Rainfall meters method motor nozzle open channels orifice population porosity precipitation pressure pumping station rate of flow rate of water reservoir rock runoff sand screen shown in Fig slope solution spillway steel storage stratum structure surface runoff Survey temperature tion Trans TYPE Mean Annual U.S. Geol U.S. Geological Survey underground usually valve velocity vertical water consumption Water Supply Paper water surface waterworks weir YASHICHI