5. Use the manning's equation above to find the streamflow rate (Q) under the following conditions: a. Rectangular canal b. Gravel beds plus large boulders (n) c. River top width (B) = 500 m River depth (Y) = 2 m d. e. River bed slope (S) = 0.03 m/m f. Conversion constant (k) = 1
5. Use the manning's equation above to find the streamflow rate (Q) under the following conditions: a. Rectangular canal b. Gravel beds plus large boulders (n) c. River top width (B) = 500 m River depth (Y) = 2 m d. e. River bed slope (S) = 0.03 m/m f. Conversion constant (k) = 1
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
Section: Chapter Questions
Problem 1LR
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Transcribed Image Text:Manning's Equation
O=VA
==
k
R2/3
S
0
Values of Manning n
Cement plaster
Untreated gunite
n
Lined Canals
Wood, planed
Wood, unplaned
Concrete, trowled
Concrete, wood forms, unfinished
Rubble in cement
Asphalt, smooth
Asphalt, rough
Natural Channels
1/2
Gravel beds, straight
Gravel beds plus large boulders
Earth, straight, with some grass
Earth, winding, no vegetation
Earth, winding with vegetation
A
Chow, V. T. 1959. Open-Channel
Hydraulics. McGraw-Hill, Inc.
n
0.011
0.016
0.012
0.013
0.012
0.015
0.020
0.013
0.016
0.025
0.040
0.026
0.030
0.050

Transcribed Image Text:5. Use the manning's equation above to find the streamflow rate (Q) under the following
conditions:
a. Rectangular canal
b.
Gravel beds plus large boulders (n)
c. River top width (B) = 500 m
d. River depth (Y) = 2 m
e. River bed slope (S) = 0.03 m/m
f. Conversion constant (k) = 1
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