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4 cards from this section. Quick, good the night before a test.
What is the momentum flux correction factor for laminar flow?
Consider the relationship between average velocity and actual momentum flux.
What does hydrostatic pressure depend on?
Think about the conditions in which pressure is applied.
What is the beta factor in laminar flow?
Think about how laminar flow velocity compares to average velocity.
True or False: Pressure changes in fluid dynamics can be neglected if the depth is very small.
Consider what small-depth conditions imply about pressure.
A horizontal water jet with a velocity of 12 m/s and a diameter of 20 mm strikes a vertical plate. Calculate the force exerted on the plate assuming ρ = 1000 kg/m3.
Use the formula F = ρ * Q * V, where Q is the volumetric flow rate.
A sluice gate opens to let water flow. If the upper water level is 8m and the lower is 2m with a velocity of 4m/s, calculate the resultant pressure force acting on the gate.
Consider the average pressure due to the height difference.
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