18.7.1 - Control Volume Considerations
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Practice Questions
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Define a control volume in the context of fluid mechanics.
💡 Hint: Think about where we isolate flow to study it.
What does the Reynolds transport theorem relate?
💡 Hint: Focus on the word 'change' and 'boundaries'.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is a control volume?
💡 Hint: Think about where you're isolating fluid flow.
True or False: Conservation of mass states that mass can be created or destroyed.
💡 Hint: Recall fundamental laws of physics.
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Challenge Problems
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Consider a control volume where mass inflow rates are given by Q1 = 0.2 m³/s and Q2 = 0.1 m³/s. Calculate the outflow rate when the mass within the control volume changes at a rate of 0.05 m³/s. Discuss the implications in real-world fluid systems.
💡 Hint: Set up the mass balance equation.
How would you modify momentum equations if atmospheric pressure varies significantly? Give an example where this might occur.
💡 Hint: Consider how pressure affects the force balance.
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