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ELEMENTARY MECHANICS OF FLUIDS
CE 319F - FALL 1997 (KINNAS)
DEPARTMENT OF CIVIL ENGINEERING
ENVIRONMENTAL AND WATER RESOURCES ENGINEERING

TURBULENT FLOW INSIDE PIPES
(Re>3,000)

figure18

Definitions:


The Darcy-Weisbach equation:

equation30

f FOR SMOOTH PIPES (Prandtl formula):

equation35

f FOR ROUGH PIPES: (Colebrook-White formula):

equation40

The Moody chart (Fig. 10.8 of the textbook) also provides f.

where tex2html_wrap_inline90 is the relative roughness of the pipe.


equation47

equation50

equation54

equation59





Spyros A. Kinnas
Mon Nov 24 12:19:49 CST 1997