online_hagen_poiseuille_discharge:  Discharge with the Hagen-Poiseuille equation

Comparison of laminar and turbulent flow
Formulas:

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


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


Head loss with Hagen-Poiseuille

INPUT DATA:

Select:  

Head loss hL :    

   

Diameter D :    

   

Temperature T :    

   

Pipe length L :    

   

OUTPUT:

Q =  0  

Hagen-Poiseuille on Wikipedia


            

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