13.3.3 - Parabolic Equations
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Practice Questions
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Define a boundary layer.
💡 Hint: Consider the surface-fluid interaction.
What is momentum thickness?
💡 Hint: Link it to shear stress.
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Interactive Quizzes
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What does displacement thickness indicate?
💡 Hint: Link this concept to how boundaries affect fluid flow.
True or False: The Reynolds number can help determine the type of flow (laminar or turbulent).
💡 Hint: Reflect on critical values indicating flow types.
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Challenge Problems
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A flat plate in a wind tunnel has a 1m length and faces airflow at a speed of 5 m/s. Calculate the boundary layer thickness at the trailing edge given the kinematic viscosity of air is 1.5 x 10^-5 m²/s. Show your calculations.
💡 Hint: Use the formula relating Reynolds number and the boundary layer thickness.
Determine the implications of a high Reynolds number on drag forces in a fluid flow over a flat plate. How would this affect design considerations in engineering?
💡 Hint: Think about how flow states correlate with design choices.
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