Reference:  2500 Solved Problems in Fluid Mechanics and Hydraulics, 1989, McGraw-Hill, Jack B. Evett, Ph. D., Cheng Liu, M.S. , Page 209, Example problem 9.64


Pipe Flow Expert File: Case_17_Water_Large_Diameter_Cast_Iron_Pipe.pfe


Problem Description: 

A 96” new cast iron pipe has a frictional pressure loss of 1.5 ft. hd per 1000 ft of length, when carrying water at 60°F. 

 

Calculate the discharge capacity of the pipe.


A screenshot of a computer??Description automatically generated


Fluid Data: Water at 60°F (v = 1.21 x 10-5 ft2 /s).


Result Comparison: 


Data Item

Published data

Pipe Flow Expert

Flow capacity (ft3/s)

397 

 395.5420

Pressure loss per 1000 ft. ()

1.5 

1.50

Friction factor

0.0124

0.01247


Commentary: 

The published data and the calculated results compare well.