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2 cards from this section. Quick, good the night before a test.
What is the equation for the velocity profile for a laminar boundary layer?
Remember the structure of the equation involving y and delta.
Define boundary layer thickness in fluid mechanics.
Think about how the thickness relates to flow behavior.
What does the equation u/U = 2y/δ represent in fluid dynamics?
Think about how velocities change in layers near surfaces.
True or False: The momentum thickness is a measure of the effect of viscosity in the boundary layer.
Remember what momentum thickness calculates.
A fluid with density 1000 kg/m³ and viscosity 0.001 N.s/m² flows over a flat plate 1 meter long at 1 m/s. Calculate the boundary layer thickness and shear stress.
Begin by calculating all parameters using known formulas, check unit consistency.
Given a velocity profile as u/U = 3/2y/δ - 1/2(y/δ)³. Derive the expression for drag force on a flat plate 2 meters long.
Ensure to relate shear stress to boundary layer behavior properly to find drag forces.
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