For V in ft/s and Rin feet (US Customary units), Manning equation can be rewritten as: 1.49 n V = Q = where A is in ft² and So R²/3 S1/2 and 1.49 n = AR²/3 S1/2 = Sf.
For V in ft/s and Rin feet (US Customary units), Manning equation can be rewritten as: 1.49 n V = Q = where A is in ft² and So R²/3 S1/2 and 1.49 n = AR²/3 S1/2 = Sf.
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Transcribed Image Text:Example #1
An 8-ft wide rectangular channel with a bed slope of 0.0004 ft/ft
has a depth of flow of 2 ft. Assuming steady uniform flow,
determine the discharge in the channel. The Manning roughness
coefficient is n=0.015.

Transcribed Image Text:For V in ft/s and Rin feet (US Customary units), Manning
equation can be rewritten as:
1.49
V
=
Q =
=
n
R²/3 S1/2 and
1.49
n
AR²/3 S1/2
where A is in ft² and So = Sf.
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