Pipe Head Loss
Hazen-Williams
Hf=1060(Q/C)^1.852*d^-4.87
Hf(m/100m) , Q(cms) , d(m) , C=constant
asbestos cement = 140 , concrete = 130 , wood&welded steel = 120 , riveted steel =110
old concrete = 100 , old wood&welded steel = 95 , poor pipe =60-80
Input Data

Design Discharge(cms):
Diameter(m) :
Hazen-Williams Constant(C) :

Data Input
Design Discharge[Q] in cms.= ;Diameter [d] in m.= ;Hazen-Williams Constant(C) = ;
Result
Head Loss[Hf] in m/100m =NAN