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1. Superheated water steam at 5 bar and 360 C enters a turbine operating at steady...
Water vapor enters a turbine operating at steady state at 600°C, 40 bar, with a velocity...
Water vapor enters a turbine operating at steady state at 600°C, 40 bar, with a velocity of 200 m/s, and expands adiabatically to the exit, where it is saturated vapor at 0.8 bar, with a velocity of 150 m/s and a volumetric flow rate of 15 m3/s. Determine the power developed by the turbine, in kW.
Water vapor at 5 MPa, 320 C enters a turbine operating at steady state and expands...
Water vapor at 5 MPa, 320 C enters a turbine operating at steady
state and expands to 0.1 bar. The mass flow rate is 6.52 kg/s, and
the isentropic turbine efficiency is 92%. Stray heat and kinetic
and potential energy effects are negligible. Determine the power
developed by the turbine in kW.
ht 6/3 of En Help I S Water vapor at 5 MPa, 320°C enters a turbine operating at steady state and expands to 0.1 bar. The mass flow...
. Steam enters a turbine at 140 psi and 1000°F at steady state and expands adiabatically...
. Steam enters a turbine at 140 psi and 1000°F at steady state and expands adiabatically to 5 psi, 275°F. The mass flow rate of the steam is 4 lb/s. Determine for the turbine a. (3) Draw your complete understanding of this problem on a T-s diagram b. (8) The power developed, in hp c. (7) The rate of entropy production, in hp/°R d. (7) The isentropic turbine efficiency, %
Water is the working fluid in a Rankine cycle. Superheated vapor enters the turbine at 8...
Water is the working fluid in a Rankine cycle. Superheated vapor enters the turbine at 8 MPa, 700°C and the turbine exit pressure is 8 kPa. Saturated liquid enters the pump at 8 kPa. The heat transfer rate to the working fluid in the steam generator is 24 MW. The isentropic turbine efficiency is 88%, and the isentropic pump efficiency is 82%. Cooling water enters the condenser at 18°C and exits at 36°C with no significant change in pressure. Determine...
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...
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...
Problem 4. Water vapor at 6 MPa, 600 °C enters a turbine operating at steady state...
Problem 4. Water vapor at 6 MPa, 600 °C enters a turbine operating at steady state and expands to 10 kPa. The mass flow rate is 2 kg/s, and the power developed is 2626 kW. Stray heat transfer and kinetic and potential energy effects are negligible. Determine (a) the isentropic turbine efficiency and (b) the rate of entropy production within the turbine in kw/K.
Steam enters a turbine operating at steady state at 2 MPa, 360 °C with a velocity...
Steam enters a turbine operating at steady state at 2 MPa, 360 °C with a velocity of 52 m/s. Saturated vapor exits at 0.1 MPa and a velocity of 35 m/s. The elevation of the inlet is 1 m higher than at the exit. The mass flow rate of the steam is 21 kg/s, and the power developed is 5 MW. Let g = 9.81 m/s2. Determine the area at the inlet, in m2.
3. 50 points) Steam enters a turbine operating at a steady state at 12 MPa and...
3. 50 points) Steam enters a turbine operating at a steady state at 12 MPa and 700 C. The mass flow rate of the steam is 200 kg'min. The steam exits the turbine as a saturated vapor at 3 bar. The turbine produces 3.0 MW of power. Ignore potential and kinetic energy effects. Assuming heat transfer from the turbine to the surroundings occurs at 20 C, determine: (a) (20 pts) The rate of heat transfer, in kW (b) (20 pts)...
Question 38 (2 points) A steam turbine receives 10 kg/s of superheated steam at 120 bar...
Question 38 (2 points) A steam turbine receives 10 kg/s of superheated steam at 120 bar and 600°C. The steam expands adiabatically through the turbine and exits at a pressure of 0.2 bar and a quality of 90%. The steam inlet velocity is 200 m/s and the exit velocity is 50 m/s. Determine the power output of the turbine. 12.531 kW e) 12,344 kW (0) 12,719 kW None of the above
Water vapor at 5 MPa, 320 C enters a turbine operating at steady
state and expands to 0.1 bar. The mass flow rate is 6.52 kg/s, and
the isentropic turbine efficiency is 92%. Stray heat and kinetic
and potential energy effects are negligible. Determine the power
developed by the turbine in kW.
ht 6/3 of En Help I S Water vapor at 5 MPa, 320°C enters a turbine operating at steady state and expands to 0.1 bar. The mass flow...
Problem 4. Water vapor at 6 MPa, 600 °C enters a turbine operating at steady state and expands to 10 kPa. The mass flow rate is 2 kg/s, and the power developed is 2626 kW. Stray heat transfer and kinetic and potential energy effects are negligible. Determine (a) the isentropic turbine efficiency and (b) the rate of entropy production within the turbine in kw/K.
3. 50 points) Steam enters a turbine operating at a steady state at 12 MPa and 700 C. The mass flow rate of the steam is 200 kg'min. The steam exits the turbine as a saturated vapor at 3 bar. The turbine produces 3.0 MW of power. Ignore potential and kinetic energy effects. Assuming heat transfer from the turbine to the surroundings occurs at 20 C, determine: (a) (20 pts) The rate of heat transfer, in kW (b) (20 pts)...
Question 38 (2 points) A steam turbine receives 10 kg/s of superheated steam at 120 bar and 600°C. The steam expands adiabatically through the turbine and exits at a pressure of 0.2 bar and a quality of 90%. The steam inlet velocity is 200 m/s and the exit velocity is 50 m/s. Determine the power output of the turbine. 12.531 kW e) 12,344 kW (0) 12,719 kW None of the above
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