Where and r is the expansion pressure ratio gamma is the, Mechanical Engineering

Where and r is the expansion pressure ratio gamma is the

For the adiabatic expansion of a perfect gas through a turbine, show that the overall efficiency ηt and small stage efficiency ηp are related by

where , and r is the expansion pressure ratio, γ is the ratio of specific heats. An axial flow turbine has a small stage efficiency of 86%, an overall pressure ratio of 4.5 to 1 and a mean value of γ equal to 1.333. Calculate the overall turbine efficiency.

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Mechanical Engineering: Where and r is the expansion pressure ratio gamma is the

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Mechanical Engineering: Where and r is the expansion pressure ratio gamma is the

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