Question: The discharge over a sharp - crested weir, Q , is a function of the head on the weir crest, H; the crest length, L;

The discharge over a sharp-crested weir, Q, is a function of the head on the weir crest, H; the crest length, L; the height of the crest, P; density, \rho ; viscosity, \mu ; surface tension, \sigma ; and gravitational acceleration, g. Carry out the dimensional analysis using \rho , g, and H as repeating variables. If it is known that Q is directly proportional to crest length, L, how would you alter the dependent pi group.

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