Practice Mass Conservation - 13.3.1 | 13. Boundary Layer Approximation III | Fluid Mechanics - Vol 3
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Mass Conservation

13.3.1 - Mass Conservation

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Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is mass conservation?

💡 Hint: Think about how flow behaves in systems.

Question 2 Easy

Define displacement thickness.

💡 Hint: Consider how boundary layers affect flow.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What does mass conservation imply in fluid mechanics?

Mass can be created
Mass cannot be created or destroyed
Mass can be destroyed

💡 Hint: Think about what happens at any point in a fluid.

Question 2

True or False: The velocity at a boundary layer ideally becomes equal to the free stream velocity.

True
False

💡 Hint: Consider how velocity changes near a wall in fluid flow.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

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.

Challenge 2 Hard

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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Reference links

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