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In: Mechanical Engineering

(10 pts) Air (R = 0.287 kJ/kg.K) enters the compressor of a simple Brayton cycle at...

  1. (10 pts) Air (R = 0.287 kJ/kg.K) enters the compressor of a simple Brayton cycle at 94 kPa and 7oC. The pressure ratio is 19.2, the compressor efficiency is 81%, the turbine inlet temperature is 1600 K and the turbine isentropic efficiency is 85%. The mass flow rate is 21 kg/s. Using variable specific heat analysis, determine:
    1. (2 pts) The power input to the compressor, in kW.
    2. (2 pts) The rate of heat input in the combustion chamber, in kW.
    3. (3 pts) The net power produced by the engine, in kW.
    4. (1 pt) The overall efficiency
    5. (2 pts) The density of the air exiting the compressor, in kg/m3.

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A thumbs up, pls !!

samet mamat answered 1 month ago
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