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4 cards from this section. Quick, good the night before a test.
What does u/U represent in the velocity profile equation?
Think about the wall compared to the overall fluid speed.
Define boundary layer thickness in the context of laminar flow.
Consider how flow transitions near a surface.
What does U represent in the velocity profile equation?
Think of what movement is beyond the immediate zone of the wall.
True or False: The momentum thickness is always less than or equal to the boundary layer thickness.
Consider how momentum behaves differently than velocity near a surface.
For a fluid flowing over a flat plate, calculate the wall shear stress. Given, U = 1 m/s, μ = 0.001 Pa.s, and δ = 0.02 m.
Make sure to apply the velocity profile correctly to derive du/dy first.
Analyze the effects of doubling the viscosity on the boundary layer thickness for a fluid with a known Reynolds number.
Think about how viscous forces function relative to inertial forces.
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