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3 cards from this section. Quick, good the night before a test.
Define incompressible flow and state the condition for it.
Consider the definition of Mach number.
What is a control volume in fluid mechanics?
Think about regions in space through which fluid flows.
What condition must the Mach number meet for flow to be considered incompressible?
Recall the definition of the Mach number.
True or False: In a control volume, mass can sometimes vanish completely during analysis.
Think about the principles of conservation.
A tank with two inflows is filled with water at varying speeds. If inflow velocities are 0.5 m/s and 0.8 m/s with diameters of 25 mm and 35 mm respectively, calculate the change in water height over a 5-minute interval if the tank area is 2 m².
Use the inflow formula to find volumes, then convert to height over time.
You have a channel where the upstream velocity is 0.6 m/s and downstream is 0.4 m/s, with a channel width of 1.5 m. Determine the seepage rate given the channel's average depth is 0.2 m.
Calculate flow before and after across given areas.
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