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3 cards from this section. Quick, good the night before a test.
What is a boundary layer?
Focus on the area near a solid surface.
Define Reynolds Number.
Think of it as a ratio of inertial to viscous forces.
What does the boundary layer equation help us derive?
Focus on parameters related to flow characteristics.
True or False? Laminar flow is characterized by chaotic fluid motion.
Think about how layers of fluid move in laminar flow.
Given a velocity of 100 mm/s and a plate length of 2m, with water viscosity at 0.001 pa.s, determine the boundary layer thickness after 2m.
Don't forget to convert all measurements to consistent SI units.
Prove that in low Reynolds number flow, the approximation for shear stress can be reduced significantly compared to turbulent flows.
Use results from previous sections to support your proof.
4 more questions in this section. Enroll free to practise them all.
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