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3 cards from this section. Quick, good the night before a test.
What is the formula for calculating hydrostatic pressure?
Relate pressure to height and density.
Define the momentum flux correction factor.
Think about how velocity distribution changes.
What is the momentum flux correction factor for laminar flow?
Consider how it varies in non-uniform flow situations.
True or False: The horizontal force required to hold a sluice gate can change with varying flow conditions.
Reflect on how water pressure changes with depth.
A sluice gate has varying water depths of 15 m and 5 m on either side. If the average water velocity is 2 m/s, calculate the force exerted by the water on the gate. Include the required assumptions and factors used in the calculation.
Think about how to set up the pressure difference calculation.
If a sluice gate must control a fluctuating flow due to seasonal rains, how would this affect your calculations for force? What factors must be reconsidered in your analysis?
Consider seasonal variations in depth and how they impact average velocities.
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