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3 cards from this section. Quick, good the night before a test.
Define the Froude number.
Think about how gravity and inertia relate to flow.
What does a Froude number of less than 1 indicate?
Consider which forces are more influential in this case.
What is a Froude number less than 1 indicative of?
Think about the dominance of gravitational forces.
In supercritical flow, disturbances propagate in which direction?
Consider the effect of inertia on flow behavior.
A design involves a channel that's 5 m wide and 3 m deep. If water flows at 8 m/s, what is the Froude number? Discuss the implications.
Remember to find the effective depth in your calculations.
Evaluate how changing the channel width from 5 m to 10 m while maintaining velocity could affect the Froude number and justify your reasoning.
Consider how wider channels influence depth and velocity.
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