17.3.2 - Eddy Formation
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Practice Questions
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What is an eddy?
💡 Hint: Think of how water swirls in a whirlpool.
Define Reynolds number.
💡 Hint: It relates inertia to viscous forces.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the critical Reynolds number for laminar flow?
💡 Hint: Reference the thresholds discussed.
Eddies are formed primarily in which type of flow?
💡 Hint: Think about the flow's chaotic nature.
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Challenge Problems
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A pipe has a diameter of 0.2 m, and the average velocity of the fluid is 1 m/s. Calculate the Reynolds number if the dynamic viscosity is 0.001 Pa.s. Discuss whether the flow is laminar or turbulent.
💡 Hint: Plug in the values carefully.
If the turbulent flow in a pipe exhibits a fluctuating velocity component of 0.5 m/s, calculate the additional momentum flux caused by this fluctuation in a cross-sectional area of 0.1 m².
💡 Hint: Remember the mass flux formula and apply it for momentum.
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