Question

In: Mechanical Engineering

Water vapor enters a turbine operating at steady state at 480°C, 90 bar, with a velocity...

Water vapor enters a turbine operating at steady state at 480°C, 90 bar, with a velocity of 247 m/s, and expands adiabatically to the exit, where it is saturated vapor at 12 bar, with a velocity of 113 m/s. The exit diameter is 0.22 m. Determine the power developed by the turbine, in kW.

Solutions

Expert Solution


Related Solutions

Water vapor at 5 bar, 320°C enters a turbine operating at steady state with a volumetric...
Water vapor at 5 bar, 320°C enters a turbine operating at steady state with a volumetric flow rate of 3 m3/s and expands adiabatically to an exit state of 1 bar, 160°C. Kinetic and potential energy effects are negligible. Determine for the turbine: (a) the power developed, in kW. (b) the rate of entropy production, in kW/K. (c) the percent isentropic turbine efficiency.
Water vapor at 5 bar, 320°C enters a turbine operating at steady state with a volumetric...
Water vapor at 5 bar, 320°C enters a turbine operating at steady state with a volumetric flow rate of 3 m3/s and expands adiabatically to an exit state of 1 bar, 200°C. Kinetic and potential energy effects are negligible. Determine for the turbine: (a) the power developed, in kW. (b) the rate of entropy production, in kW/K. (c) the percent isentropic turbine efficiency.
Water vapor at 5 MPa, 320°C enters a turbine operating at steady state and expands to...
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 2.52 kg/s, and the isentropic turbine efficiency is 92%. Stray heat transfer and kinetic and potential energy effects are negligible. Determine the power developed by the turbine, in kW.
Water at p1 = 20 bar, T1 = 400oC enters a turbine operating at steady state...
Water at p1 = 20 bar, T1 = 400oC enters a turbine operating at steady state and exits at p2 = 1.5 bar, T2 = 220oC. The water mass flow rate is 4000 kg/hour. Stray heat transfer and kinetic and potential energy effects are negligible. Determine the power produced by the turbine, in kW, and the rate of entropy production in the turbine, in kW/K.
Steam enters an adiabaticnozzle operating at steady state at 20 bar, 320°C, with a velocity of...
Steam enters an adiabaticnozzle operating at steady state at 20 bar, 320°C, with a velocity of 100 m/s. The exit pressure and temperature are 7 bar and 200°C, respectively. The mass flow rate is 5 kg/s. Neglecting potential energychanges, determine: a.the exit velocity, in m/s. b.the exit flow area, in cm2
Water vapor at 800 lbf/in.2, 1000 F enters a turbine operating at steady state and expands...
Water vapor at 800 lbf/in.2, 1000 F enters a turbine operating at steady state and expands adiabatically to 2 lbf/ in.2, developing work at a rate of 490 Btu per lb of vapor flowing. Determine the condition at the turbine exit: two- phase liquid–vapor or superheated vapor? Also, evaluate the isentropic turbine efficiency. Kinetic and potential energy effects are negligible.
Air enters a turbine operating at steady state at 6 bar, 1200 K and expands to...
Air enters a turbine operating at steady state at 6 bar, 1200 K and expands to 0.8 bar. The turbine is well insulated, and kinetic and potential energy effects can be neglected. Assuming ideal gas behavior for the air, what is the maximum theoretical work that could be developed by the turbine in kJ per kg of air flow?
Air enters a turbine operating at steady state at 6 bar, 1600 K and expands to...
Air enters a turbine operating at steady state at 6 bar, 1600 K and expands to 0.8 bar. The turbine is well insulated, and kinetic and potential energy effects can be neglected. Assuming ideal gas behavior for the air, what is the maximum theoretical work that could be developed by the turbine in kJ per kg of air flow?
Air enters a turbine operating at steady state at 10 bar, 1200 K and expands to...
Air enters a turbine operating at steady state at 10 bar, 1200 K and expands to 0.8 bar. The turbine is well insulated, and kinetic and potential energy effects can be neglected. Assuming ideal gas behavior for the air, what is the maximum theoretical work that could be developed by the turbine in kJ per kg of air flow?
Saturated water vapor at 300F enters a compressor operating at steady state with a mass flow...
Saturated water vapor at 300F enters a compressor operating at steady state with a mass flow rate of 5 lb/s and is compressed adiabatically to 750 psi. Determine: a) The percent isentropic compressor efficiency. b) The rate of entropy production, in hp/R.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT