13.3.1 - Mass Conservation
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Practice Questions
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What is mass conservation?
💡 Hint: Think about how flow behaves in systems.
Define displacement thickness.
💡 Hint: Consider how boundary layers affect flow.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does mass conservation imply in fluid mechanics?
💡 Hint: Think about what happens at any point in a fluid.
True or False: The velocity at a boundary layer ideally becomes equal to the free stream velocity.
💡 Hint: Consider how velocity changes near a wall in fluid flow.
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Challenge Problems
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A wind tunnel test shows an airflow with a known velocity profile. How do you find the displacement thickness?
💡 Hint: Use boundary conditions to set up your integral.
Given a Reynolds number of 120,000, how would you classify the flow in a boundary layer?
💡 Hint: Define the thresholds for laminar and turbulent flows.
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