online_pipeflow_headloss:  Calculation of head loss in a pipe Online discharge in a pipe Online diameter in a pipe V = Q/[(π/4) D2] ν = f(T) Re = V D/ν f = 0.25 {log[(ks/D)/3.7 + 5.74/Re0.9]}-2 hf = f (L/D) V2/(2g) [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 length L :         Pipe diameter D :                Temperature T :         Absolute roughness ks :     A. Riveted steel B. Concrete C. Cast iron D. Galvanized iron E. Asphalted cast iron F. Commercial steel or wrought iron G. Drawn tubing     OUTPUT: hf =  0   • Pipe Flow in Wikipedia   Your request was processed at  09:25:31 am on November 13th, 2024   [ 241113  09:25:31 ]. Thank you for running online_pipeflow_headloss.   [190604]