Unformatted text preview: K. Both the compressor and the turbine can be considered ideal. Find the minimum mass ﬂow rate, and associated pressure ratio, necessary for the turbine to produce a power output of 2 MW. 3. Consider problem 1), with the same r P and q H . Say that the turbine and the compressor have equal isentropic eﬃciencies of η c = η t . Assuming constant speciﬁc heats, calculate and plot the thermal eﬃciency of the cycle as a function of η c ranging from 1 (isentropic behavior) downwards. What value of η c results in zero thermal eﬃciency for the cycle? 1...
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- Spring '11