online_headloss_orifice_meter:  Head loss using an orifice meter An orifice meter Online discharge using orifice meter ν = f(T) ReDo = 4Q/(πDoν) K = f(ReDo, Do/D1) Ao = (π/4) Do2 hf = [Q/(KAo)]2/(2g) h = hf/[(ρ2/ρ1) - 1] [SI units: Q in m3/s; D in m; T in °C; h in m] [U.S. units: Q in cfs; D in ft; T in °F; h in ft] INPUT DATA: Select:   SI units (metric) U.S. Customary units Discharge Q :         Pipe diameter D1 :         Orifice diameter Do :         Temperature T :         Ratio ρ2 /ρ1 :         [Leave blank to set mercury manometer as default ρ2 /ρ1 = 13.6] OUTPUT: hρ2 =  0   hρ1 =  0   • Orifice on Wikipedia   Your request was processed at  05:16:54 pm on December 22nd, 2024   [ 241222  17:16:54 ]. Thank you for running online_discharge_orifice_meter.   [160720]