Question: 9 - 9 8 An aircraft engine operates on a simple ideal Brayton cycle with a pressure ratio of 1 0 . Heat is added

9-98 An aircraft engine operates on a simple ideal Brayton cycle with a pressure ratio of 10. Heat is added to the cycle at a rate of 500 kW; air passes through the engine at a rate of 1 kg/s, and the air at the start of compression is at 70 kPa and 0C. Determine the power produced by this engine and its thermal efficiency. Use constant specific heats at room temperature.
9-99 Repeat Problem 9-98 for a pressure ratio of 15.

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