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Fluid Mechanics

Model Analysis

The performan...

Question

The performance of a hydraulic structure during a flood has been investigated in a 1/25 model based on Froude law of similarity. A flood wave passing through the model in 2 hrs. Corresponds to a prototype period of:

A

50 hr

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B

12.5 hr

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C

10 hr

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D

0.4 hr

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Solution

The correct option is C 10 hr
$\frac{T_{m}}{T_{p}} = (L_{r})^{1 / 2} T_{p} = 5 \times 2 = 10 h o u r s$

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