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3 cards from this section. Quick, good the night before a test.
What is the definition of average velocity in turbulent flow?
Think about how flows are measured in pipes.
What does the Reynolds number indicate?
It's a dimensionless quantity in fluid mechanics.
What does the average velocity represent in turbulent flow?
Think about how averages work in general.
True or False: The frictional velocity is irrelevant in turbulent pipe flow.
Consider what happens when you have friction.
For a turbulent flow with a velocity profile described by u(r) = 10*(1 - (r/R))^(1/7), find the average velocity.
Focus on integrating the velocity function you've been given.
A pipe with a rough surface has a different flow profile than a smooth one. Derive how one might approach calculating average velocity for both and discuss the implications for design.
Relate to common engineering practices and friction considerations.
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