Air expands through a turbine from 8 bar, 960 K to 1 bar, 450 K. The...
Air expands through a turbine from 8 bar, 960 K to 1 bar, 450 K. The inlet velocity is small compared to the exit velocity of 90 m/s. The turbine operates at steady state and develops a power output of 2500 kW. Heat transfer between the turbine and its surroundings and potential energy effects are negligible. Modeling air as an ideal gas, calculate the mass flow rate of air, in kg/s, and the exit area, in m2.
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Air expands through a turbine from 8 bar, 960 K to 1 bar, 450 K.
The...
A steam turbine, as shown in Figure Q3, operates at steady state with inlet conditions of Pi= 2 M...
A steam turbine, as shown in Figure Q3, operates at steady state with inlet conditions of Pi= 2 MPa, T1 = 480°C and producing 4000 kW. Saturated steam leaves the turbine at a pressure of 0.1 bar where it is condensed at 45.81 °C in the condenser. There is no significant heat transfer between the turbine and the condenser and their surroundings, and kinetic and potential energy changes between inlet and exit are negligible.
A steam turbine, as shown in...
1.Steams enters a turbine operating at steady state with a mass flow rate of 4600kg/h. The...
1.Steams enters a turbine operating at steady state with a mass flow rate of 4600kg/h. The turbine develops a power output of 1000kW. At the inlet, the pressure is 60 bar, the temperature is 400° C, and the velocity is 10m/s. At the exit,the pressure is 0.1 bar, the quality is 0.90, and the velocity is 50m/s. Calculate the rate of heat transfer between the turbine and surroundings, in kW. Determine the entropy generation if the temperature of the surroundings...
A gas turbine receives air at temperature T1 = 827 °C and specific volume v, -0.1...
A gas turbine receives air at temperature T1 = 827 °C and specific volume v, -0.1 m®/kg. Air exits the turbine at P2 = 3 bar and T2 = 450 °C. The volumetric flow rate of air at the inlet is 0.5 m/s. The power output on the shaft is 1900 kW. Determine: The pressure of air at the inlet (pa) in kPa [2 marks] b) The mass flow rate in kg/s [1 mark] c) Find the rate of heat...
Steam expands through a well-insulated turbine from inlet conditions 300c and 4 Mpa with negligible velocity...
Steam expands through a
well-insulated turbine from inlet conditions 300c and 4 Mpa with
negligible velocity to exit conditions 40m/s and 0.075Mpa. The
turbine is operating at steady state and has an exit diameter of
0.6Mpa. Select two different values of exit quality in the range of
0.2 to 0.5 and subsequently plot the power generated by the turbine
in kw
Question 3 Steam expands through a well-insulated turbine from inlet conditions 300°C and 4 MPa with negligible velocity to...
Air modeled as an ideal gas enters a turbine operating at steady state at 1040 K,...
Air modeled as an ideal gas enters a turbine operating at steady state at 1040 K, 278 kPa and exits at 120 kPa. The mass flow rate is 5.5 kg/s, and the power developed is 1200 kW. Stray heat transfer and kinetic and potential energy effects are negligible. Assuming k = 1.4, determine: (a) the temperature of the air at the turbine exit, in K. (b) the percent isentropic turbine efficiency.
steam expands through a well insulated turbine from inlet condition 300c and 4Mpa with negligible velocity...
steam expands through a well insulated turbine from inlet condition 300c and 4Mpa with negligible velocity to exit condition 40m/s and 0.075Mpa. The turbine is operating at steady state and has an exit diameter of 0.6m. select 2 different values of exit quality in the range of 0.2 to 0.5 and subsequently plot the power generated by the turbine in kW
Problem 4.029 Air expands through a turbine operating at steady state. At the inlet, P1 =...
Problem 4.029 Air expands through a turbine operating at steady state. At the inlet, P1 = 150 lbf/in.2, T1 = 1400ºR, and at the exit, P2 = 14.8 lbf/in., T2 = 700°R. The mass flow rate of air entering the turbine is 5 lb/s, and 65,000 Btu/h of energy is rejected by heat transfer. Neglecting kinetic and potential energy effects, determine the power developed, in hp. hp We = the tolerance is +/-2%
Steam enters a turbine operating at steady state at 700oF and 450 lbf/in2 and leaves as...
Steam enters a turbine operating at steady state at 700oF and 450 lbf/in2 and leaves as a saturated vapor at 0.8 lbf/in2. The turbine develops 12,000 hp, and heat transfer from the turbine to the surroundings occurs at a rate of 2 x 106 Btu/h. Neglect kinetic and potential energy changes from inlet to exit. Determine the exit temperature, in oF, and the volumetric flow rate of the steam at the inlet, in ft3/s.
Steam enters a turbine operating at steady state at 30 bar, 400 °C with a mass flow rate of 126 kg/min and exits as saturated vapor at 0.2 bar, producing power at a rate of 1.5 MW. Kinetic and po...
Steam enters a turbine operating at steady state at 30 bar, 400 °C with a mass flow rate of 126 kg/min and exits as saturated vapor at 0.2 bar, producing power at a rate of 1.5 MW. Kinetic and potential energy effects can be ignored. Determine the followings. (a) (5 points) The rate of heat transfer, in kW. (b) (15 points) The rate of entropy production, in kW/K, for an enlarged control volume that includes the turbine and enough of...
Question 3 Steam expands through a well-insulated turbine from inlet conditions 300°C and 4 MPa with...
Question 3 Steam expands through a well-insulated turbine from inlet conditions 300°C and 4 MPa with negligible velocity to exit conditions 40 m/s and 0.075 MPa. The turbine is operating at steady state and has an exit diameter of 0.6 m. Select two (2) different values of exit quality in the range of 0.2 to 0.5 and subsequently plot the power generated by the turbine in kW. (10 MARKS]
A steam turbine, as shown in Figure Q3, operates at steady state with inlet conditions of Pi= 2 MPa, T1 = 480°C and producing 4000 kW. Saturated steam leaves the turbine at a pressure of 0.1 bar where it is condensed at 45.81 °C in the condenser. There is no significant heat transfer between the turbine and the condenser and their surroundings, and kinetic and potential energy changes between inlet and exit are negligible.
A steam turbine, as shown in...
A gas turbine receives air at temperature T1 = 827 °C and specific volume v, -0.1 m®/kg. Air exits the turbine at P2 = 3 bar and T2 = 450 °C. The volumetric flow rate of air at the inlet is 0.5 m/s. The power output on the shaft is 1900 kW. Determine: The pressure of air at the inlet (pa) in kPa [2 marks] b) The mass flow rate in kg/s [1 mark] c) Find the rate of heat...
Steam expands through a
well-insulated turbine from inlet conditions 300c and 4 Mpa with
negligible velocity to exit conditions 40m/s and 0.075Mpa. The
turbine is operating at steady state and has an exit diameter of
0.6Mpa. Select two different values of exit quality in the range of
0.2 to 0.5 and subsequently plot the power generated by the turbine
in kw
Question 3 Steam expands through a well-insulated turbine from inlet conditions 300°C and 4 MPa with negligible velocity to...
Problem 4.029 Air expands through a turbine operating at steady state. At the inlet, P1 = 150 lbf/in.2, T1 = 1400ºR, and at the exit, P2 = 14.8 lbf/in., T2 = 700°R. The mass flow rate of air entering the turbine is 5 lb/s, and 65,000 Btu/h of energy is rejected by heat transfer. Neglecting kinetic and potential energy effects, determine the power developed, in hp. hp We = the tolerance is +/-2%
Steam enters a turbine operating at steady state at 30 bar, 400 °C with a mass flow rate of 126 kg/min and exits as saturated vapor at 0.2 bar, producing power at a rate of 1.5 MW. Kinetic and potential energy effects can be ignored. Determine the followings. (a) (5 points) The rate of heat transfer, in kW. (b) (15 points) The rate of entropy production, in kW/K, for an enlarged control volume that includes the turbine and enough of...
Question 3 Steam expands through a well-insulated turbine from inlet conditions 300°C and 4 MPa with negligible velocity to exit conditions 40 m/s and 0.075 MPa. The turbine is operating at steady state and has an exit diameter of 0.6 m. Select two (2) different values of exit quality in the range of 0.2 to 0.5 and subsequently plot the power generated by the turbine in kW. (10 MARKS]
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