Question

Why is lacey's conception superior to that of kennedy's?

Answer 1

Answer:

Hey mate, answer of your question is given below by me .

Explanation:

Kennedy assumes that the eddies are generated on the bed only and hence he derives the formula for finding out critical velocity in terms of depth. ... Lacey proposes that regime section is semi-circular ultimately and eddies are generated along the whole wetted perimeter.

I hope it can help you.