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Manning Formula Uniform pipe Flow at Given Slope and pth <br />Printable Title <br />Printable Subtiile <br />Inputs <br />Dina r{iama+ar i <br />Results <br />lFb-, o <br />lV"l""Iy, <br />See notes)).0174 cfs v <br />it 1856ffftec -5.35 in -Velocity read, hu TITH2O v <br />vranntng rougnness,_n 0.012 Flow ar ).0147 ft2 v <br />Pressure slope (possibly ? equal to pipe stope), So il0064 )rise/run v uVetted erimeter 1.3546 f[v <br />tr)6r^aht lydraul radius ).0414 ftv <br />\ | vv 70 ut | il ilowtng Tull 15 To v Iop wid ,l 1.3184 ft- <br />Froude umber,l 0.97 <br />shear stress (tractive rce), tau 0.0165 psf v <br />^/\/\t,\v/\f;z <br />Notes: <br />This is the flow and depth inslde the pipe. <br />Getting the flow into the pipe may require significanfly higher headwater depth. Add at reast 1, <br />cr see my-efljnu[e-tulerial fof standard culvert headwater calculations using Hy-8. <br />times the velocity to get the headwater depth <br />This is <br />Getting <br />or see I <br />1t1