PROBLEM 6 Water in a 6-m-wide rectangular channel flows at a rate of 4 m³/s at a depth of 0.6 m. (a) What is the velocity (m/s) of flow upstream of the hump? (b) Is the flow (0.6 m-depth) super-critical or sub-critical? Compute the Froude number. (c) What is the critical depth, Y. (m)? (d) What should be the height, YH (m), of the hump to be installed if we want critical depth to occur? Yc 0.6 m HUMP Profile of channel YH

Structural Analysis
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Author:KASSIMALI, Aslam.
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Chapter2: Loads On Structures
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PROBLEM 6
Water in a 6-m-wide rectangular channel flows at a rate of 4 m³/s at a depth of 0.6 m.
(a) What is the velocity (m/s) of flow upstream of the hump?
(b) Is the flow (0.6 m-depth) super-critical or sub-critical? Compute the Froude number.
(c) What is the critical depth, Y. (m)?
(d) What should be the height, YH (m), of the hump to be installed if we want critical depth to occur?
Yc
0.6 m
HUMP
Profile of channel
YH
Transcribed Image Text:PROBLEM 6 Water in a 6-m-wide rectangular channel flows at a rate of 4 m³/s at a depth of 0.6 m. (a) What is the velocity (m/s) of flow upstream of the hump? (b) Is the flow (0.6 m-depth) super-critical or sub-critical? Compute the Froude number. (c) What is the critical depth, Y. (m)? (d) What should be the height, YH (m), of the hump to be installed if we want critical depth to occur? Yc 0.6 m HUMP Profile of channel YH
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