Water Resources Engineering: You have designed a channel to to transport 5 m3/s using the most efficient rectangular section. The Manning's roughness coefficient is 0.019 and the bed slope is 0.0001 m/m. For this channel, determine: a. The normal depth b. Is the flow subcritical or supercritical c. Calculate what the new width of the channel would need to be to force the flow of water to be critical and state what the depth of water would be in this new channel. Neglect head loss through this transition (Note: this will no longer be the most efficient section). d. Show the transition on a specific energy curve.
Water Resources Engineering: You have designed a channel to to transport 5 m3/s using the most efficient rectangular section. The Manning's roughness coefficient is 0.019 and the bed slope is 0.0001 m/m. For this channel, determine: a. The normal depth b. Is the flow subcritical or supercritical c. Calculate what the new width of the channel would need to be to force the flow of water to be critical and state what the depth of water would be in this new channel. Neglect head loss through this transition (Note: this will no longer be the most efficient section). d. Show the transition on a specific energy curve.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Water Resources Engineering:
You have designed a channel to to transport 5 m3/s using the most efficient rectangular section. The Manning's roughness coefficient is 0.019 and the bed slope is 0.0001 m/m. For this channel, determine:
a. The normal depth
b. Is the flow subcritical or supercritical
c. Calculate what the new width of the channel would need to be to force the flow of water to be critical and state what the depth of water would be in this new channel. Neglect head loss through this transition (Note: this will no longer be the most efficient section).
d. Show the transition on a specific energy curve.
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