online_hagen_poiseuille_headloss:    Head loss with the Hagen-Poiseuille equation

Comparison of laminar and turbulent flow
Formulas:

      128 Q ν L
hL = ______________   ;   ν = f(T)
        g π D4


[SI units: Q in m3/s; L in m; D in m; T in °C; hL in m]
[U.S. units: Q in cfs; L in ft; D in ft; T in °F; hL in ft]


Discharge with Hagen-Poiseuille

INPUT DATA:

Select:  

Discharge Q :    

   

Diameter D :    

   

Temperature T :    

   

Pipe length L :    

   

OUTPUT:

hL =  0  

Hagen-Poiseuille on Wikipedia


            

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