A power plant delivers 408 Mw using a steam turbine. The steam goes into the turbine...
Question 10 5 pts A steam engine converts 1640 million Btu input energy obtained by burning a fuel into mechanical energy. The steam goes into the turbine at 210 °C and condensed water leaves the turbine at 21 °C. Assuming that the turbine operates as an ideal Carnot engine determine the mechanical energy output in MWh. Question 11 5 pts Which ones below are the benefits of hydroelectric power generation? O Hydro electric power don't depend on market conditions. Hydroelectric...
Consider a coal-fired steam power plant that produces 175 MW of electric power. The power plant operates on a simple ideal Rankine cycle with turbine inlet conditions of 8 MPa and 560°C and a condenser pressure of 8 kPa. The coal has a heating value (energy released when the coal is burned) of 29,300 kJ/kg and a CO2 emission value of 0.093 kg CO2/MJ. Assuming that 85% of this energy is transferred to heat in the boiler and that the...
A coal-fired steam power plant produces 175 MW of electric power. The power plant operates on a Rankine cycle with turbine inlet conditions of 7 MPa and 550oC and a condenser pressure of 15 kPa. The turbine efficiency and pump efficiency are both 0.8. The coal has a heating value (energy released when the fuel is burned) of 29,300 kJ/kg. Assuming that 85 percent of this energy is transferred to the steam in the boiler and that the electric generator...
thermodynamic
2. A ste am power plant operates on an ideal regenerative Rankine cycle. Steam enters the turbine at 10 MPa and 500°C and is condensed in the condenser at 10 kPa. Steam is extracted from the turbine at 0.5 MPa to heat the feedwater in an open feedwater heater. Water leaves the feedwa ter heater as a saturated liquid. The plant has a net power output of 150 MW. Show the cycle on a T-s dingram, and determine (a)...
Consider a steam power plant that operates on an ideal regenerative rankine cycle. Steam enters turbine at 6 MPa and 450 deg and is condensed in the condenser at 20 kPa. Bleed Steam is extracted from the turbine at 0.4 MPa to heat the boiler feed-water in an open feed-water heater, water leaves the feed water heater as a saturated liquid. Construct a property table giving the pressure, enthalpy and phase for all the state points identified in the cycle...
Consider a 210-MW steam power plant that operates on a simple ideal Rankine cycle. Steam enters the turbine at 10 MPa and 500°C and is cooled in the condenser at a pressure of 15 kPa. Determine the mass flow rate of the steam in kg/s.
2) Consider a 210-MW steam power plant that operates on a simple ideal Rankine cycle. Steam enters the turbine at 10 MPa and 500°C and is cooled in the condenser at a pressure of 10 kPa. Show the cycle on a T-s diagram with respect to saturation lines, and determine (a) the quality of the steam at the turbine exit, (b) the thermal efficiency of the cycle, and (c) the mass flow rate of the steam.
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...
Tor steam power prants 4 marks D) A steam power plant is to be designed using the Rankine cycle with superheat. The steam must enter; the turbine at pressure (P) and temperature (T), and the turbine steam exit pressure must be 0.05 bars. In order to produce 12 MW, a steam mass floW rate of 8.91 kg/s is to be used and the dryness fraction at turbine exit must be 0.9. Assuming the Rankine cycle to be ideal and neglecting...
Consider a 210-MW steam power plant that operates on a simple ideal Rankine cycle. Steam enters the turbine at 10 MPa and 500°C and is cooled in the condenser at a pressure of 10 kPa. Assume an isentropic efficiency of 85 percent for both the turbine and the pump. (a) the quality of the steam at the turbine exit (b) the thermal efficiency of the cycle (c) the mass flow rate of the steam.