submergence.xlsx
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DESCRIPTION
Calculation of submergence head at intake
TRANSCRIPT
Submargency cal
SUBMERGENCE Design Discharge(Qd)m3/s0.60Internal diameter,Dm0.60C/s area(A)m20.28Velocity at intake(V)m/s2.12
Gordon (1970)
S= submegence (ft.)ft/s6.96v= velocity of flow (ft. /sec)ft/s1.97d= height (ft.)0.30k= coefficient 0.3 for symmetrical approach0.4 for unsymmetrical approach
Submergence (S)ft2.93m0.89
Prosser (1977)
Submergence (S)m0.90
ITDG Manual
Submergence (S)m0.34
Adopted submergence (S)m0.90
Water elevation in the forebay1457.06
Invert level of the penstock pipe=MDE-Smasl1455.35Bottom level of the penstock pipemasl1454.75
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