PLEASE SHOW ALL TABLES USED!!!!! AND HAVE NEAT HANDWRITING!! A steam generator discharges water vapor at...
PLEASE SHOW ALL TABLES USED!!!!! AND HAVE NEAT HANDWRITING!!
A steam generator discharges water vapor at 10 MPa and 640 degrees Celsius. The first turbine stage expands the vapor to 2 MPa, which is extracted to a feedwater heater. The remaining portion expands through the second turbine stage to a condenser pressure of 10 kPa. The heat transfer into the steam generator is 5 MW, and the first pump operates at 60% isentropic efficiency. The enthalpies exiting the feedwater heater and the second pump are given as 909 kJ/kg and 918 kJ/kg, respectively. Determine
A. Mass flow rate exiting the first pump (kg/s)
B. Total pump work (kW)
C. Thermal efficiency
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A steam generator discharges water vapor at...
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Consider a regenerative vapor power cycle with two feedwater heaters, a closed one and an open one, and reheat. Steam enters the first turbine stage at 12 MPa, 480°C, and expands to 2 MPa. Some steam is extracted at 2 MPa and fed to the closed feedwater heater. The remainder is reheated at 2 MPa to 440°C and then expands through the second-stage turbine to 0.3 MPa, where an additional amount is extracted and fed into the open feedwater heater...
A power plant operates on a regenerative vapor power cycle with one open feedwater heater. Steam enters the first turbine stage at 12 MPa, 560°C and expands to 1 MPa, where some of the steam is extracted and diverted to the open feedwater heater operating at 1 MPa. The remaining steam expands through the second turbine stage to the condenser pressure of 6 kPa. Saturated liquid exits the open feedwater heater at 1 MPa. The net power output for the...
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