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Gas Turbine and Small Stage Efficiency

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1. The overall efficiency of a gas turbine can be calculated from the formula

where is the small stage efficiency and , where r is the expansion pressure ratio and is the ratio of the specific heats. Given that the overall efficiency is 76%, r = 4.6 and that y = 1.333 , calculate the value of the small-stage efficiency .

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Gas Turbines and Small Stage Efficiency are investigated.

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