Reference:  Flow of Fluids – Technical Paper No 410M, 1999, Crane Co. Page 3-12, Example 1


Pipe Flow Expert File: Case_27_Lubricating_Oil_Laminar_Flow_Example_1.pfe


Problem Description: 

A 6” diameter schedule 40 steel pipe carries lubricating oil of density 897 kg/m³ and viscosity 450 Centipoise.


Find the pressure drop per 100 meters.


A screenshot of a computer??Description automatically generated


Fluid Data: Lubricating Oil, viscosity = 450 Centipoise, density = 897 kg/m3


Result Comparison: 


Data Item

Published data

Pipe Flow Expert

Pressure drop per 100 meters (bar g)

1.63 

1.6277

Reynolds number

825

824


Commentary: 

The published data and the calculated results compare well.