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Air enters the compressor of an ideal Brayton refrigeration cycle at 140 kPa, 270K and is...

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Mechanical Engineering

Air enters the compressor of an ideal Brayton refrigerationcycle at 140 kPa, 270K and is compressed to 420 kPa. At the turbineinlet, the temperature is 320K and the volumetric flow rate is 0.4m3/s. Determine (i) the mass flow rate, in kg/s; (ii) the net powerinput, in kW; (iii) the refrigerating capacity, in kW; and (iv) thecoefficient of performance.

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