Air enters the compressor of an ideal air standard Brayton cycle at 100 kPa, 25oC, with a

Question:

Air enters the compressor of an ideal air standard Brayton cycle at 100 kPa, 25oC, with a volumetric flow rate of 8 m3/s. The compressor pressure ratio is 12. The turbine inlet temperature is 1100oC. Determine
(a) Net power output and
(b) The thermal efficiency (ηth),
(c) Back work ratio. Use the PG model for air.