Question: Repeat problem 8-1-24 [OZW] assuming an efficiency of 80% for each compressor stage and an efficiency of 85% for each turbine stage, and a regenerator

Repeat problem 8-1-24 [OZW] assuming an efficiency of 80% for each compressor stage and an efficiency of 85% for each turbine stage, and a regenerator with 80% effectiveness. Determine
(a) The thermal efficiency (ηth) of the cycle and
(b) The back work ratio.

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