Steam power plant operating under a steady-flow process generates an electric power of 210 MW. Diagram of its components in the process are shown in the figure below. Saturated liquid water is pumped to raise its pressure from 10 kPa to 10 MPa while work of 15 kJ/kg is given to the pump. Heat loss from the pump is 5 kJ/kg. Steam that exits the boiler at 500°C enters the isentropic turbine. Then steam that exits the turbine becomes a saturated mixture. The turbine is well-insulated. Changes in kinetic and potential energies are negligible for all the devices. Find 1.1 Heat given to the boiler (in kJ/kg) 1.2 Work produced by the turbine (in kJ/kg) 1.3 Heat release from the condenser (in kJ/kg) 1.4 Mass flow rate of the steam Boiler 2) 10 MPa 10 MPa 3 500°C O Pump Turbine 10 kPa 4 -10 kPa 1 (Condenser

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
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Steam power plant operating under a steady-flow process generates an electric power of 210 MW.
Diagram of its components in the process are shown in the figure below. Saturated liquid water is
pumped to raise its pressure from 10 kPa to 10 MPa while work of 15 kJ/kg is given to the pump. Heat
loss from the pump is 5 kJ/kg. Steam that exits the boiler at 500°C enters the isentropic turbine. Then
steam that exits the turbine becomes a saturated mixture. The turbine is well-insulated. Changes in
kinetic and potential energies are negligible for all the devices. Find
1.1 Heat given to the boiler (in kJ/kg)
1.2 Work produced by the turbine (in kJ/kg)
1.3 Heat release from the condenser (in kJ/kg)
1.4 Mass flow rate of the steam/
Boiler
2
10 MPa
10 MPa
3
500°C
Pump
Turbine
10 kPa
-10 kPa
Condenser)
Transcribed Image Text:Steam power plant operating under a steady-flow process generates an electric power of 210 MW. Diagram of its components in the process are shown in the figure below. Saturated liquid water is pumped to raise its pressure from 10 kPa to 10 MPa while work of 15 kJ/kg is given to the pump. Heat loss from the pump is 5 kJ/kg. Steam that exits the boiler at 500°C enters the isentropic turbine. Then steam that exits the turbine becomes a saturated mixture. The turbine is well-insulated. Changes in kinetic and potential energies are negligible for all the devices. Find 1.1 Heat given to the boiler (in kJ/kg) 1.2 Work produced by the turbine (in kJ/kg) 1.3 Heat release from the condenser (in kJ/kg) 1.4 Mass flow rate of the steam/ Boiler 2 10 MPa 10 MPa 3 500°C Pump Turbine 10 kPa -10 kPa Condenser)
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