Air enters the compressor of an ideal air standard Brayton cycle at 100 kPakPa, 25∘C∘C, with a volumetric flow rate (−V˙

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Air enters the compressor of an ideal air standard Brayton cycle
at 100 kPakPa, 25∘C∘C, with a volumetric flow
rate (−V˙−V˙) of 9 m3/sm3/s. The compressor pressure
ratio is 12. The turbine inlet temperature
is 1100∘C∘C. Use the PG model for air.
A-Determine the thermal efficiency (ηthηth).
B-Determine the net power output (W˙netW˙net).
C-Determine the back work ratio.
DWhat-if scenario: What would the
thermal efficiency (ηthηth) be if we used the IG model?
E-What-if scenario: What would
the net power output (W˙netW˙net) be if we used the IG model?
F-What-if scenario: What would
the back work ratio be if we used the IG model?