1. Air enters the compressor of an air-standard Brayton cycle at 1OO kPa, 300K with a volumetric flow ratio of 5 m 3 Is. The compressor pressure ratio is 10. The turbine inlet temperature is 1400 K. Determine (a) thermal efficiency of the cycle, (b) back work ratio. (c) net power developed in kW. 2. The pressure and temperature at the beginning of compression in an air standard Brayton cycle are 1OO kPa and 27°C. The heat added per kg of air is 1850 kJ. The compression ratio is 4.
View complete question » 1. Air enters the compressor of an air-standard Brayton cycle at 1OO kPa, 300K with a volumetric flow ratio of 5 m 3 Is. The compressor pressure ratio is 10. The turbine inlet temperature is 1400 K. Determine (a) thermal efficiency of the cycle, (b) back work ratio. (c) net power developed in kW. 2. The pressure and temperature at the beginning of compression in an air standard Brayton cycle are 1OO kPa and 27°C. The heat added per kg of air is 1850 kJ. The compression ratio is 4. Determine the maximum pressure and temperature, thermal efficiency and mean effective pressure. Assume CP = 1.005 k.J/kg·K
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