What should be the model runner speed and model to prototype scale ratio?

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asked Sep 24, 2017 in fm&turbo by chandu (215k points)

A Hydro turbine is required to give 25 MW at 50 m head and 90 rpm runner speed. The laboratory facilities available, permit testing of 20 kW models at 5 m head. What should be the model runner speed and model to prototype scale ratio?

gate
1992
fm&turbo
turbomachinery

What should be the model runner speed and model to prototype scale ratio?

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