Operations And Supply Chain Management Assignment Help – A gas-turbine

Question – A gas-turbine engine with regeneration operates with two stages of compression and two stages of
expansion. The pressure ratio across each stage of the compressor and turbine is 3.5. The air enters
each stage of the compressor at 300 K and each stage of the turbine at 1200 K. The compressor and
turbine efficiencies are 78 and 86 percent, respectively, and the effectiveness of the regenerator is 72
percent. Determine the back work ratio and the thermal efficiency of the cycle, assuming constant
specific heats for air at room temperature.

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