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2 cards from this section. Quick, good the night before a test.
Define hydraulic jump.
Think of how water behaves at a waterfall.
What is the Froude number for subcritical flow?
Consider the comparison of flow speed to wave speed.
What is a hydraulic jump?
Think about the flow characteristics in dams.
True or False: A hydraulic jump increases turbulence and energy loss.
Reflect on how water behaves when moving through different depths.
A rectangular channel has an upstream flow with a depth of 3m and velocity of 4m/s. Calculate the flow depth after a hydraulic jump and the energy loss.
Use the mass conservation principle to derive downstream conditions.
Design a trapezoidal channel with a specific discharge requirement. What dimensions would minimize the perimeter?
Remember that you're solving for minimum dimensions under fixed discharge.
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