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Equations (Cont'd): <br />~f <br />Ow - Cwt DST E}1.5 <br />where: 0 = Wier controlled outflow <br />w <br />C = Idler Coefficient <br />w <br />DST = Standpipe diameter <br />H Head = Height above standpi <br />Oo Co 4 DST 2 H <br />__ 2 <br />OFP '4 Dmin <br />2gyFP <br />(1+Ke,st + b,st + Kc,st L) <br /> <br />Osw = 1.49 R2/3 Slit <br />n <br />_ 2 <br />Osi 4' Dsi <br /> <br />2~ H <br />si <br />(1 + Ke,si + l~h,si + Kc,si Lsi) <br />Oo = Orifice controlled outflow <br />C = Orifice coefficient <br />0 <br />g = 32.2 ftisec2 <br />OFP = Full pipe controlled outflc: <br />Din = Minimum of DD and DST <br /> <br />HFP = Head for full pipe flow <br />K = Entrance loss coefficient <br />est for standpipe <br />K = Bend loss coefficient <br />b,st for standpipe <br />K = Friction loss coefficier.~ <br />c,est .for standpipe <br />L Lengt}~ of standpipe + <br /> drainpipe <br />L <br />= Length of standpipe <br />s <br />DD = Diameter of Drainpipe <br />0 = Spillway Outflow <br />sw <br />n = hianning's coefficient = O.G <br />R = Hydraulic radius of spill~::~: <br /> in ft. <br />S = Slope of spillway in f[/ft. <br />0 = Outflow through siphon <br />si <br />D = Siphon diameter <br />Sl <br />H = Head on siphon <br />Sl <br />K <br />si = L•ntrance loss coeff. for <br />e, siphon <br />K = Bend loss coeff, for sipho <br />b,si <br />K = Friction loss coeff. £or <br />c,si siphon <br />Lsi = Length of Siphon <br />- --~•- <br />