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# An air standard gas turbine engine has a compressor pressure ratio of 12. It operates between 290 K and 1400 K. The turbine and compressor each have...

An air standard gas turbine engine has a compressor pressure ratio of 12. It operates between 290 K and 1400 K. The turbine and compressor each have isentropic efficiencies of 90%. Determine the following:

a) Net work per unit mass of air flow.

b) Heat rejected per unit mass flow of air.

c) Thermal efficiency.

Determine the unknown temperatures:PT2 T1 2 P1 PT4 T3 4 P3 ( k 1) / k 290 K 12 (1.4 1) / 1.4 589.84 K ( k 1) / k 1400 K 1 / 12 (1.4 1) / 1.4 688.32 K Determine the work input to the compressor...