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Steady-state operating data for a simple steam power plant are provided in the figure 7. below....
Steady-state operating data for a simple steam power plant are provided in figure. Kinetic and potential...
Steady-state operating data for a simple steam power plant are provided in figure. Kinetic and potential energy effects can be ignored. Determine the a) the mass flow rate of the steam, (10 pts.) b) lin, (5 pts.) c) the mass flow rate of the cooling water, (5 pts.) d) thermal efficiency, (5 pts.) e) What happens to the thermal efficiency if we increase the turbine inlet pressure while keeping the inlet temperature (T1) constant? Explain it clearly. (10 pts.) PI...
Steady-state operating data for a simple steam power plant are provided in figure. Kinetic and potential...
Steady-state operating data for a simple steam power plant are provided in figure. Kinetic and potential energy effects can be ignored. Determine the a) the mass flow rate of the steam, (10 pts.) b) Qin . (5 pts.) c) the mass flow rate of the cooling water, (5 pts.) d) thermal efficiency, (5 pts.) e) What happens to the thermal efficiency if we increase the turbine inlet pressure while keeping the inlet temperature (TI) constant? Explain it clearly. (10 pts.)...
6.133 Figure P6.133 shows a simple vapor power cycle operating at steady state with water as...
6.133 Figure P6.133 shows a simple vapor power cycle operating at steady state with water as the working fluid Data at key locations are given on the figure. Flow through the turbine and pump occurs isentropically. Flow through the steam generator and condenser occurs at constant pressure. Stray heat transfer and kinetic and potential energy effects are negligible. Sketch the four processes of this cycle in series on a T-s diagram. Determine the thermal efficiency P 20 MPa T 700°C...
8.21 Figure P8.21 provides steady-state operating data for a vapor power plant using water as the...
8.21 Figure P8.21 provides steady-state operating data for a vapor power plant using water as the working fluid. The mass flow rate of water is 15 kg/s. The turbine and pump operate adiabatically but not reversibly. Determine di (b) AC 8 o anidhu od o mpo? (b) the rates of heat transfer Qin and Qout, each in kW. (a) the thermal efficiency Steam generator Turbine m= 15 kg/s 10 out 5 PROBE N Condenser Pump Analyzing Bank 3 is the...
Steady-state operating data for a simple steam power plant are provided in Fig. P4.102. Stray heat...
Steady-state operating data for a
simple steam power plant are provided in Fig. P4.102. Stray heat
transfer and kinetic and potential energy effects can be ignored.
Determine (a) thermal efficiency and (b) the mass flow rate of the
cooling water, in kg per kg of steam flowing. (it says kg per kg in
the book, it probably wants kg per min or sec)
Tutorial Questions 1 1. Water is the working fluid in an ideal Rankine cycle. The condenser...
Tutorial Questions 1.1. Water is the working fluid in an ideal Rankine cycle. The condenser pressure is kPa, and saturated vapor enters the turbine at 10 MPa. Determine the heat transfer rates, in kJ per kg of steam flowing, for the working fluid passing through the boiler and condenser and calculate the thermal efficiency.2. Water is the working fluid in an ideal Rankine cycle. Saturated vapor enters the turbine at 16 MPa, and the condenser pressure is 8 kPa ....
In a steam power plant, water is pressurized in an adiabatic pump from 100kPa as a saturated liqu...
In a steam power plant, water is pressurized in an adiabatic pump from 100kPa as a saturated liquid to 5 MPa at 150C. The pump is directly driven by an adiabatic steam turbine, which also powers a generator. Steam enters the steam turbine at 5 MPa and 450C and leaves as saturated vapor at 100kPa. Determine the net-work output of the pump-turbine-generator combination if the generator operates at 85% efficiency. (in kJ/kg) ) b) Determine the entropy generation for both...
Problem 4 In the vapor power cycle shown below, steam (H20) is the working fluid. Saturated...
Problem 4 In the vapor power cycle shown below, steam (H20) is the working fluid. Saturated vapor enters the turbine at 100 bar and saturated liquid exits the condenser at a pressure of 0.1 bar. The net power output of the cycle, Weycle, is 150 MW. Isentropic efficiency of the turbine and the pump (n (hi-h2)/(h1-h2s), np=(h25-h1)/(h2-h1)) are both 80%. Determine the followings. [30 pts] (a) Thermal efficiency, n (b) Mass flow rate of the steam, m, in kg/s (c)...
(1 - y) 3 Steam generator (1-1) Condenser out Open feedwater heater Pump 2 Pump 1...
(1 - y) 3 Steam generator (1-1) Condenser out Open feedwater heater Pump 2 Pump 1 pl A power plant operates a regenerative vapor power cycle with one open feed water heater. Stem enters the first turbine stage at 12 Mpa, 520 C, and expands to 1 Mpa where some steam is extracted and diverted to the open feedwater heater operating at 1 Mpa,. The remaining steam is expanded in the turbine second state to a pressure of 6 kPa....
Superheated steam at 20 MPa, 560oC enters the turbine of a vapor power plant. The pressure...
Superheated steam at 20 MPa, 560oC enters the turbine of a vapor power plant. The pressure at the exit of the turbine is 0.7 bar, and liquid leaves the condenser at 0.4 bar at 75oC. The pressure is increased to 20.1 MPa across the pump and the specific enthalpy is 338.14 kJ/kg. The turbine isentropic efficiency is 81%. Cooling water enters the condenser at 20oC with a mass flow rate of 70.7 kg/s and exits the condenser at 38oC. For...
Steady-state operating data for a simple steam power plant are provided in figure. Kinetic and potential energy effects can be ignored. Determine the a) the mass flow rate of the steam, (10 pts.) b) lin, (5 pts.) c) the mass flow rate of the cooling water, (5 pts.) d) thermal efficiency, (5 pts.) e) What happens to the thermal efficiency if we increase the turbine inlet pressure while keeping the inlet temperature (T1) constant? Explain it clearly. (10 pts.) PI...
Steady-state operating data for a simple steam power plant are provided in figure. Kinetic and potential energy effects can be ignored. Determine the a) the mass flow rate of the steam, (10 pts.) b) Qin . (5 pts.) c) the mass flow rate of the cooling water, (5 pts.) d) thermal efficiency, (5 pts.) e) What happens to the thermal efficiency if we increase the turbine inlet pressure while keeping the inlet temperature (TI) constant? Explain it clearly. (10 pts.)...
6.133 Figure P6.133 shows a simple vapor power cycle operating at steady state with water as the working fluid Data at key locations are given on the figure. Flow through the turbine and pump occurs isentropically. Flow through the steam generator and condenser occurs at constant pressure. Stray heat transfer and kinetic and potential energy effects are negligible. Sketch the four processes of this cycle in series on a T-s diagram. Determine the thermal efficiency P 20 MPa T 700°C...
8.21 Figure P8.21 provides steady-state operating data for a vapor power plant using water as the working fluid. The mass flow rate of water is 15 kg/s. The turbine and pump operate adiabatically but not reversibly. Determine di (b) AC 8 o anidhu od o mpo? (b) the rates of heat transfer Qin and Qout, each in kW. (a) the thermal efficiency Steam generator Turbine m= 15 kg/s 10 out 5 PROBE N Condenser Pump Analyzing Bank 3 is the...
Steady-state operating data for a
simple steam power plant are provided in Fig. P4.102. Stray heat
transfer and kinetic and potential energy effects can be ignored.
Determine (a) thermal efficiency and (b) the mass flow rate of the
cooling water, in kg per kg of steam flowing. (it says kg per kg in
the book, it probably wants kg per min or sec)
In a steam power plant, water is pressurized in an adiabatic pump from 100kPa as a saturated liquid to 5 MPa at 150C. The pump is directly driven by an adiabatic steam turbine, which also powers a generator. Steam enters the steam turbine at 5 MPa and 450C and leaves as saturated vapor at 100kPa. Determine the net-work output of the pump-turbine-generator combination if the generator operates at 85% efficiency. (in kJ/kg) ) b) Determine the entropy generation for both...
Problem 4 In the vapor power cycle shown below, steam (H20) is the working fluid. Saturated vapor enters the turbine at 100 bar and saturated liquid exits the condenser at a pressure of 0.1 bar. The net power output of the cycle, Weycle, is 150 MW. Isentropic efficiency of the turbine and the pump (n (hi-h2)/(h1-h2s), np=(h25-h1)/(h2-h1)) are both 80%. Determine the followings. [30 pts] (a) Thermal efficiency, n (b) Mass flow rate of the steam, m, in kg/s (c)...
(1 - y) 3 Steam generator (1-1) Condenser out Open feedwater heater Pump 2 Pump 1 pl A power plant operates a regenerative vapor power cycle with one open feed water heater. Stem enters the first turbine stage at 12 Mpa, 520 C, and expands to 1 Mpa where some steam is extracted and diverted to the open feedwater heater operating at 1 Mpa,. The remaining steam is expanded in the turbine second state to a pressure of 6 kPa....
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