What are the largest and smallest turbulent length scales in an unstratified open drain of depth...

What are the largest and smallest turbulent length scales in an unstratified open drain of depth 1 m that is flowing at velocity U=10 cm s^-1 ? Assume q=0.1U. Is the flow turbulent?

Expert Solution

First will know basic things about Turbulent length scales it is an physical quantity which describes the size of eddies containing energy in it. Eddies are nothing but lumps of fluids or rotating structure.

Largest eddies in the flow account for most of transport of momentum and energy. Now let us define largest and smallest length scales. Refer below image..

Now we can determine desired values simply putting values given in problem statement..

That completes the answer.

samet mamat answered 2 years ago

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