LIQUID PIPE FLOW: PRESSURE DROP CALCULATION

US Customary Units

INPUT   DATA

Title  

Flow rate , Q   gal/min  
Fluid specific gravity, γ    
Kinematic viscosity, ν   cSt  
Pipe diameter, D   in  
Pipe roughness, ε   in  
Pipe length, L   ft  
Fittings/minor losses, Lm   ft  
Elevation change, ΔZ   ft  

       Reset

RESULTS

VARIABLES   Values   Units
 ♦ Flow velocity, V   5.27 ft/s 
 ♦ Reynolds number, Re   622131.1  
 ♦ Flow regime   Turbulent  
 ♦ Darcy Friction factor, ƒd   0.01444  
 ♦♦ Frictional Head loss, hf   4.9 ft 
 ♦♦ Total Pressure drop, ΔP   2.12 psi 
 ♦ Minimum Pumping horsepower, BHP   3.71 hp