18.2.3 - Derivation of Conservation of Linear Momentum
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Practice Questions
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Define the Reynolds transport theorem.
💡 Hint: Think about how changes in the system relate to flow across its boundaries.
What is the significance of assuming incompressible flow?
💡 Hint: Consider how density impacts fluid dynamics.
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Interactive Quizzes
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What is the main principle of the conservation of momentum?
💡 Hint: Think about systems where forces are applied or absent.
Is laminar flow characterized by smooth streamlines?
💡 Hint: Visualize how the layers of fluids move in comparison to turbulent flow.
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Challenge Problems
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A fluid with a mass flow rate of 2 kg/s enters a pipe at a velocity of 3 m/s. Determine the momentum entering the pipe.
💡 Hint: Use the straightforward formula for momentum.
Derive the equation for momentum conservation in a fixed control volume where pressure and viscous forces are acting on it.
💡 Hint: Think about interrelation of forces involved.
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