18.4.3 - Control Volume Approach
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Practice Questions
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Define Control Volume in your own words.
💡 Hint: Think about what a volume represents in the physical context of fluid flow.
What does Reynolds Transport Theorem relate?
💡 Hint: Consider how we connect quantities over time to the boundaries of a volume.
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Interactive Quizzes
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What does Reynolds Transport Theorem primarily help us with?
💡 Hint: Think about how properties affect control volumes.
True or False: In steady flow, the time derivatives in Reynolds Transport Theorem can be neglected.
💡 Hint: Consider the implications of properties changing over time.
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Challenge Problems
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A large tank has an inflow of 100 lit/sec and an outflow of 80 lit/sec. Calculate how the mass storage changes in the tank over a 10-minute period.
💡 Hint: Consider the net inflow and multiply by time to find total change.
For a control volume with body force due to gravity and a lateral surface force due to pressure change, derive the equation for momentum change.
💡 Hint: Start from Newton’s second law and consider how each force contributes.
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