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An adiabatic turbine uses steam as the medium and it operates steadily at pressure of 6...
Steam flows steadily through an adiabatic turbine
Steam flows steadily through an adiabatic turbine. The inlet conditions of the steam are 4 MPa, 500°C, and 80 m/s, and the exit conditions are 30 kPa, 92 percent quality, and 50 m/s. The mass flow rate of the steam is 12 kg/s. Determine a. (3) Change in kinetic energy (-23.4 kJ) b. (4) Power output (12.12 MW) c. (3) Turbine inlet area (0.012966 m2)
Steam flows steadily through an adiabatic turbine. (c) BY-NC- Niel Crews, 2013 The inlet conditions of...
Steam flows steadily through an adiabatic turbine. (c) BY-NC- Niel Crews, 2013 The inlet conditions of the steam are: pressure = 10 MPa temperature = 450 °C velocity = 80 m/s The exit conditions are: pressure = 10 kPa quality = 0.92 velocity = 50 m/s a) What is the temperature of the fluid at the turbine exit? b) What is the power output of the turbine, per unit mass of the working fluid?
Steam enters an adiabatic turbine steadily at 7 MPa, 500 °C, and 45 m/s
Steam enters an adiabatic turbine steadily at 7 MPa, 500 °C, and 45 m/s, and leaves at 100 kPa and 75 m/s. If the power output of the turbine is 5 MW and the isentropic efficiency is 77 percent, determine: A. the mass flow rate of steam through the turbine, B. the temperature at the turbine exit, and C. the rate of entropy generation during this process.
Problem 3 Steam flows steadily through an adiabatic turbine. The inlet conditions of the steam are...
Problem 3 Steam flows steadily through an adiabatic turbine. The inlet conditions of the steam are 10 MPa, 400 C, and 80 m/s, and the exit conditions are 10 kPa, 92 percent quality, and 50 m/s. The mass flow rate of the steam is 12 kg/s. Determine (a) the change in kinetic energy, (b) the power output, and (c) the turbine inlet area. Pi = 10 MPa 7, = 400 °C V1 80 m/s No STEAM 3 12 kg/s ▼Sh...
Steam with the mass flow rate of 0.75 kg/s enters an adiabatic turbine steadily at 19 MPa, 600°C and 150 m/s
Steam with the mass flow rate of 0.75 kg/s enters an adiabatic turbine steadily at 19 MPa, 600°C and 150 m/s, and leaves at 150 kPa and 350 m/s. The isentropic efficiency of the turbine is 85%. Neglect potential energy. (I) Determine the exit temperature of the steam, and its quality (if saturated mixture) (ii) Calculate the actual power output of the turbine, in kW (iii) Illustrate a T-s diagram with respect to saturation lines for the isentropic process by clearly indicating all pressure, temperature,...
Steam enters an adiabatic turbine steadily at 3 MPa and 450°C at a rate of 8...
Steam enters an adiabatic turbine steadily at 3 MPa and 450°C at a rate of 8 kg/s and exits at 0.2 MPa and 150*C. If the surrounding air is at 25°C and 100 kPa, determine: a. The specific flow exergy of steam at turbine entrance b. The specific flow exergy of steam at turbine exit c. The rate of flow exergy change in the process.
A steam power plant design consists of an ideal Rankine cycle with regeneration. Steam enters Turbine...
A steam power plant design consists of an ideal Rankine cycle with regeneration. Steam enters Turbine 1 at P1 and T1 at the rate of m1 and exits at P2. A fraction (y') of the steam exiting Turbine 1 is diverted to a closed feedwater heater while the remainder enters Turbine 2. A portion (y'') of the steam exiting Turbine 2 at P3 is diverted to an open feedwater heater while the remainder enters Turbine 3. The exit of Turbine...
Problem 4 – Entropy transfer in a control volume (18 pts) An adiabatic reversible steam turbine...
Problem 4 – Entropy transfer in a control volume (18 pts) An
adiabatic reversible steam turbine steadily processes 2 kg/s of
steam at 5 MPa and 450°C, which is exhausted at 100 kPa and 100°C.
The turbine exhibits an isentropic efficiency of 0.85. a) Draw a
schematic representation of the system with all the energy
interactions involved. (2pts) b) Determine the h (kJ/kg) and s
(kJ/kg-K) at the inlet. (2 pts) c) Determine the actual h (kJ/kg)
and s (kJ/kg-K)...
Q2. Steam enters a turbine with the pressure, temperature and velocity values shown below. It exits...
Q2. Steam enters a turbine with the pressure, temperature and velocity values shown below. It exits as saturated vapor. The inlet and outlet pipe diameters are also given. Do not neglect the kinetic energies of the streams. Ws P = 4 MPa P = 80 kPa T, = 500 °C Saturated vapor V = 200 m/s d) = 250 mm di = 50 mm a) What is the work output of the turbine? (Answer: -3.54 MW) b) What is the...
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
Steam flows steadily through an adiabatic turbine. The inlet conditions of the steam are 4 MPa, 500°C, and 80 m/s, and the exit conditions are 30 kPa, 92 percent quality, and 50 m/s. The mass flow rate of the steam is 12 kg/s. Determine a. (3) Change in kinetic energy (-23.4 kJ) b. (4) Power output (12.12 MW) c. (3) Turbine inlet area (0.012966 m2)
Steam flows steadily through an adiabatic turbine. (c) BY-NC- Niel Crews, 2013 The inlet conditions of the steam are: pressure = 10 MPa temperature = 450 °C velocity = 80 m/s The exit conditions are: pressure = 10 kPa quality = 0.92 velocity = 50 m/s a) What is the temperature of the fluid at the turbine exit? b) What is the power output of the turbine, per unit mass of the working fluid?
Problem 3 Steam flows steadily through an adiabatic turbine. The inlet conditions of the steam are 10 MPa, 400 C, and 80 m/s, and the exit conditions are 10 kPa, 92 percent quality, and 50 m/s. The mass flow rate of the steam is 12 kg/s. Determine (a) the change in kinetic energy, (b) the power output, and (c) the turbine inlet area. Pi = 10 MPa 7, = 400 °C V1 80 m/s No STEAM 3 12 kg/s ▼Sh...
Steam enters an adiabatic turbine steadily at 3 MPa and 450°C at a rate of 8 kg/s and exits at 0.2 MPa and 150*C. If the surrounding air is at 25°C and 100 kPa, determine: a. The specific flow exergy of steam at turbine entrance b. The specific flow exergy of steam at turbine exit c. The rate of flow exergy change in the process.
Problem 4 – Entropy transfer in a control volume (18 pts) An
adiabatic reversible steam turbine steadily processes 2 kg/s of
steam at 5 MPa and 450°C, which is exhausted at 100 kPa and 100°C.
The turbine exhibits an isentropic efficiency of 0.85. a) Draw a
schematic representation of the system with all the energy
interactions involved. (2pts) b) Determine the h (kJ/kg) and s
(kJ/kg-K) at the inlet. (2 pts) c) Determine the actual h (kJ/kg)
and s (kJ/kg-K)...
Q2. Steam enters a turbine with the pressure, temperature and velocity values shown below. It exits as saturated vapor. The inlet and outlet pipe diameters are also given. Do not neglect the kinetic energies of the streams. Ws P = 4 MPa P = 80 kPa T, = 500 °C Saturated vapor V = 200 m/s d) = 250 mm di = 50 mm a) What is the work output of the turbine? (Answer: -3.54 MW) b) What is the...
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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