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3 cards from this section. Quick, good the night before a test.
What is the definition of eddy viscosity?
Think about how turbulence complicates a flow.
What does mixing length (lm) refer to?
Consider what is needed for momentum exchange.
What is the primary role of mixing length in turbulent flow?
Think about what allows fluid layers to interact effectively.
True or False: Eddy viscosity is a constant property of all fluids.
Consider how turbulence changes in different scenarios.
Calculate the turbulent shear stress in a pipe if the average velocity gradient is 2 m/s², and the mixing length is determined to be 0.4 m.
Focus on the relationship between shear stress, mixing length, and velocity gradient.
Explain how disturbances in velocity affect eddy viscosity and turbulent shear stress in an open channel flow.
Think about how turbulence impacts flow behavior on a larger scale.
5 more questions in this section. Enroll free to practise them all.
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