21.2.2 - Horizontal Water Jet Impact Problem
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Practice Questions
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What is the beta factor for laminar flow?
💡 Hint: Consider the typical value used in calculations.
Define momentum flux.
💡 Hint: Think about momentum per unit area per time.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the beta factor for laminar flow?
💡 Hint: Think of the ratio of actual to average velocities.
In turbulent flow, the velocity distribution is typically:
💡 Hint: Consider how turbulence affects flow speed.
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Challenge Problems
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A jet of water strikes a vertical flat plate with a velocity of 15 m/s and a height of 2m. Calculate the total momentum exerted by the water on the plate per second.
💡 Hint: Set up the flow area and consider that momentum will be affected by both height and speed.
How would the required force to hold a sluice gate change if the water height increases from 5m to 8m, while keeping velocity constant? Calculate the new force.
💡 Hint: Pressure increases with height; recalculate using hydrostatic pressure principles.
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