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2 cards from this section. Quick, good the night before a test.
Define hydraulic jump and provide an example.
Think about situations where water flow changes dramatically.
What does a Froude number greater than 1 indicate?
Recall the critical flow conditions.
What happens to the Froude number during a hydraulic jump?
Recall the flow states involved.
In a properly designed hydraulic jump, energy loss should be minimized.
Think of energy management principles.
A rectangular channel undergoes a hydraulic jump where Fr1 = 8 and a flow depth y1 = 0.15m. Calculate the depth after the jump y2 and the corresponding energy loss.
Set up proper flow equations.
If a channel’s width is 2m and it carries an 8 m³/s discharge at a depth of 0.5m. Assess the flow regime and the possible occurrence of hydraulic jumps.
Focus on establishing flow relationships.
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