2 kg/s of steam enters a turbine operating at steady state at 1 MPa, 200oC and...

2 kg/s of steam enters a turbine operating at steady state at 1 MPa, 200oC and exits at 40oC with a quality of 83%. Stray heat transfer and kinetic and potential energy effects are negligible. Determine (a) the power developed by the turbine, in kW, (b) the change in specific entropy from inlet to exit, in kJ/kg·K.

Expert Solution

samet mamat answered 2 years ago

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.

An adiabatic steam turbine receives 50 kg/s of superheated steam at 5 MPa and 500oC. Steam...

An adiabatic steam turbine receives 50 kg/s of superheated steam at 5 MPa and 500oC. Steam exits the turbine with a pressure of 100 kPa. Determine the minimum exit quality and the maximum power output of the turbine in kW.

Superheated steam enters a turbine at 3 MPa, 550oC, and exits at 0.01 MPa. a) If...

Superheated steam enters a turbine at 3 MPa, 550oC, and exits at 0.01 MPa. a) If the process is reversible adiabatic (isentropic), find the final temperature (T2s), the final enthalpy (h2s) of the steam, and the turbine work (Wt,s). b) What is Sgen for the above process? c) If the isentropic efficiency is 90%, find the actual final temperature (T2a) and calculate Sgen? d) Plot process (a) and (c) on a Ts diagram.

A steam turbine receives superheated steam at 18.0 kg/s, 500.°C, and 3.00 MPa and exhausts it...

A steam turbine receives superheated steam at 18.0 kg/s, 500.°C, and 3.00 MPa and exhausts it to 10 kPa with a quality of 96%. If the turbine is assumed to be internally reversible, determine the rate of heat loss from the turbine surface if the power output is 20.MW The surface temperature of the turbine is uniform at 350.°C, and the local environment (ground state) is taken to be saturated liquid water at T0 = 20.0°C. Neglect all flow stream...

Steam enters a turbine at 10 MPa, 410oC, and 80 m/s, and leaves at 10 kPa,...

Steam enters a turbine at 10 MPa, 410oC, and 80 m/s, and leaves at 10 kPa, 90 percent quality and 50 m/s. Steam flows steadily through the turbine at 10 kg/s and the heat loss from the turbine is 0.5 kW. Neglecting potential energy changes, determine The power output of the turbine (kW) The turbine inlet area (m2) The turbine outlet area (m2) The volume flow rate of steam at turbine outlet (m3/s)

A pump operating at steady state receives 1.5 kg/s of liquid water at 50oC, 1.5 MPa....

A pump operating at steady state receives 1.5 kg/s of liquid water at 50oC, 1.5 MPa. The pressure of the water at the pump exit is 14 MPa. The magnitude of the work required by the pump is 25.2 kW. Stray heat transfer and changes in kinetic and potential energy are negligible. Determine the work required by a reversible pump operating with the same conditions, in kW, and the isentropic pump efficiency.

Steam at 5mpa and 300C enters a turbine in a steady flow manner, from the turbine...

Steam at 5mpa and 300C enters a turbine in a steady flow manner, from the turbine the steam expands to 200 kpa with a quality of 90%. FInd the ff: a. The work done by the steam to the turbine in kj/kg b. The amount of steam flow rate needed in kg/hr if the turbine produces 200kW of power c. The efficiency of the expansion process

A steam turbine receives steam from two boilers. One flow is 5 kg/s at 3 MPa,...

A steam turbine receives steam from two boilers. One flow is 5 kg/s at 3 MPa, 700°C and the other flow is 15 kg/s at 800 kPa, 500°C. The exit state is 10 kPa, with a quality of 96%. Calculate the efficiency of the turbine and the total power output.

A steam turbine receives steam from two boilers. One flow is 5 kg/s at 3 MPa,...

A steam turbine receives steam from two boilers. One flow is 5 kg/s at 3 MPa, 700°C and the other flow is 15 kg/s at 800 kPa, 500°C. The exit state is 10 kPa, with a quality of 96%. Find the total power out of the adiabatic turbine. Calculate the efficiency of the turbine

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.

Question

2 kg/s of steam enters a turbine operating at steady state at 1 MPa, 200oC and...

Solutions

Expert Solution

Related Solutions

Water vapor at 5 MPa, 320°C enters a turbine operating at steady state and expands to...

An adiabatic steam turbine receives 50 kg/s of superheated steam at 5 MPa and 500oC. Steam...

Superheated steam enters a turbine at 3 MPa, 550oC, and exits at 0.01 MPa. a) If...

A steam turbine receives superheated steam at 18.0 kg/s, 500.°C, and 3.00 MPa and exhausts it...

Steam enters a turbine at 10 MPa, 410oC, and 80 m/s, and leaves at 10 kPa,...

A pump operating at steady state receives 1.5 kg/s of liquid water at 50oC, 1.5 MPa....

Steam at 5mpa and 300C enters a turbine in a steady flow manner, from the turbine...

A steam turbine receives steam from two boilers. One flow is 5 kg/s at 3 MPa,...

A steam turbine receives steam from two boilers. One flow is 5 kg/s at 3 MPa,...

Water vapor at 800 lbf/in.2, 1000 F enters a turbine operating at steady state and expands...