turbine 1. 1-hz) he power ( V (12 points) Air enters a converging-diverging nozzle at 1200...
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turbine 1. 1-hz) he power ( V (12 points) Air enters a converging-diverging nozzle at 1200 K and 600 kPa with a velocity of 90 m/s. Determine the velocity, Mach number, and pressure at the exit where the temperature is 610 K. -4')( m/s V= Mexit= kPa Pexit = M = C CUKRT1000 C=694.38m/s VI (12 points) A vapor compression refrigeration system has a cooling capacity of 15 kW. Refrigerant 134a is the working fluid. Saturated vapor enters the isentropic compressor at 3 bar and exits at 12 bar. Using refrigerant tables, determine the coefficient of performance for the refrigeration system. COP= COP = QH-QL turbine 1. 1-hz) he power ( V (12 points) Air enters a converging-diverging nozzle at 1200 K and 600 kPa with a velocity of 90 m/s. Determine the velocity, Mach number, and pressure at the exit where the temperature is 610 K. -4')( m/s V= Mexit= kPa Pexit = M = C CUKRT1000 C=694.38m/s VI (12 points) A vapor compression refrigeration system has a cooling capacity of 15 kW. Refrigerant 134a is the working fluid. Saturated vapor enters the isentropic compressor at 3 bar and exits at 12 bar. Using refrigerant tables, determine the coefficient of performance for the refrigeration system. COP= COP = QH-QL
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