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2 cards from this section. Quick, good the night before a test.
Define specific energy in an open channel flow.
Think about how you measure energy in terms of height and velocity.
What does a Froude number less than 1 signify?
Consider situations where gravitational forces dominate.
What is specific energy?
Think about how we measure energy in physics.
True or False: A hydraulic jump only occurs from subcritical to supercritical flow.
Recall the definitions of flow types.
A trapezoidal canal has a base of 8m, with side slopes of 1:2, and a discharge of 4m³/s. Determine the flow depth and hydraulic radius.
Break down the trapezoid into components.
A rectangular channel sees a hydraulic jump, with parameters leading to an upstream Froude number of 3. Calculate the energy losses due to the jump.
Use the defined equations for specific energy to find E_1 and E_2.
4 more questions in this section. Enroll free to practise them all.
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