12.4.2.1 - Euler Equations for Outer Flow
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Practice Questions
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What is a boundary layer?
💡 Hint: Think about flow near any surface, like a wall.
Define Reynolds number.
💡 Hint: It's related to the smoothness or turbulence of flow.
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Interactive Quizzes
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What defines the boundary layer?
💡 Hint: Consider what happens near surfaces when fluid flows.
True or False: Turbulent flow can occur when the Reynolds number is less than 10^5.
💡 Hint: Think about the definitions of laminar vs. turbulent flow.
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Challenge Problems
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Calculate the Reynolds number for a flow with a characteristic length of 0.5 meters, a fluid velocity of 2 m/s, and a kinematic viscosity of 0.001 m²/s.
💡 Hint: Use the formula for Reynolds number: Re = (L * V) / ν.
Explain how boundary layer thickness would change with increasing flow velocity over a flat plate. Describe the physical implications of this change.
💡 Hint: Consider the balance between inertial effects and viscous drag as velocity changes.
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