Thermodynamics Mech3001 - Week 8 - Problem 5 (9.113)

9.113 Consider a regenerative gas turbine power plant with two stages of compression and two stages of expansion. The overall pressure ratio of the cycle is 9. The air enters each stage of the compressor at 300 K and each stage of the turbine at 1200 K. Accounting for the variation of specific heats with temperature, determine the minimum mass flow rate of air needed to develop a net power output of 110 MW.

Answer: 249.6 kg/s