Question

Steam enters the turbine of an ideal Rankine cycle power plant with a pressure of 12.5...

Steam enters the turbine of an ideal Rankine cycle power plant with a pressure of 12.5 MPa and a temperature of 600°C and expands adiabatically to condenser pressure equal to 30 kPa . Please answer the following: a. Represent the cycle on a T-s diagram, indicate the values of the isobars and temperature and entropy on the axes. b. Compute the thermal efficiency for this cycle.

Engineering   Mechanical-Engineering   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Consider a 210-MW steam power plant that operates on a simple ideal Rankine cycle. Steam enters...
Consider a 210-MW steam power plant that operates on a simple ideal Rankine cycle. Steam enters the turbine at 10 MPa and 500°C and is cooled in the condenser at a pressure of 7.5 kPa. a.)Determine the quality of the steam at the turbine exit. Use steam tables. b.)Determine the thermal efficiency of the cycle. c.)Determine the mass flow rate of the steam
In a power plant based on a simple Rankine cycle, steam enters the turbine at 15...
In a power plant based on a simple Rankine cycle, steam enters the turbine at 15 MPa and 900°C. The condenser pressure is 5 kPa. The turbine operates adiabatically and has an isentropic efficiency of 85%, and the pump also operates adiabatically and has an isentropic efficiency of 80%. Determine the work required to pump the water to the boiler in kJ/kg of water flowing, and the enthalpy of the water leaving the pump.
Consider a 210-MW steam power plant that operates on a simple ideal Rankine cycle. Steam enters...
Consider a 210-MW steam power plant that operates on a simple ideal Rankine cycle. Steam enters the turbine at 10 MPa and 500°C and is cooled in the condenser at a pressure of 7.5 kPa. Determine the quality of the steam at the turbine exit. Use steam tables. (You must provide an answer before moving on to the next part.) a.)The quality of the steam at the turbine exit is? b.)Determine the thermal efficiency of the cycle.The thermal efficiency of...
In a steam plant operating according to an ideal Rankine cycle, water vapor enters the turbine...
In a steam plant operating according to an ideal Rankine cycle, water vapor enters the turbine at 3.0 MPa pressure and 600 oC temperature and exits the turbine with 100 kPa and 0.8 degree of dryness. Heat is thrown from the condenser to the surrounding environment and the water is provided to be saturated liquid at 100 kPa. In this case, what is the amount of heat from the Condenser to the surrounding environment for the unit mass? be quıck
In a steam plant operating according to an ideal Rankine cycle, water vapor enters the turbine...
In a steam plant operating according to an ideal Rankine cycle, water vapor enters the turbine at 3.0 MPa pressure and 600 oC temperature and exits the turbine with 100 kPa and 0.8 degree of dryness. Heat is thrown from the condenser to the surrounding environment and the water is provided to be saturated liquid at 100 kPa. So what is the net turbine job for the unit mass? be quıck
A steam power plant of 15 MW operates on the simple ideal Rankine cycle such that...
A steam power plant of 15 MW operates on the simple ideal Rankine cycle such that the water leaves the condenser as a saturated liquid at a pressure of 15 kPa. The pressure of the water leaving the pump is 5.0 MPa, and the temperature of the steam entering the turbine is 650 ºC. (a) Show the sketch and cycle on a T-s diagram. Determine (b) the thermal efficiency of the cycle and (c) the mass flow rate in kg/s....
A steam power plant operates on the simple ideal rankine cycle between the pressure limits of...
A steam power plant operates on the simple ideal rankine cycle between the pressure limits of 50 kPa and 20 MPa, with a turbine inlet temperature of 600 Degree C. Disregarding the pump work, then: (a) Show the T-S diagram of the entire cycle. (b) Solve the total heat (kJ/kg) input for the cycle. (c) Solve the total heat (kJ/kg) reject by the cycle. (d) Solve the thermal efficiency of this plant.
A steam power plant runs on a reheat Rankine cycle. Steam enters both the high and...
A steam power plant runs on a reheat Rankine cycle. Steam enters both the high and low pressure turbines at 500oC. The maximum and minimum pressures of the cycle are 10 MPa and 10 kPa, respectively. Steam leaves the condenser as a saturated liquid. The moisture content of the steam at the exit of the low-pressure turbine is 4% if the actual expansion process is adiabatic; 8.5% if the ideal expansion process is isentropic. The isentropic efficiencies of the high-pressure...
Consider a power plant operating on a Rankine cycle using steam as the working fluid. The...
Consider a power plant operating on a Rankine cycle using steam as the working fluid. The boiler pressure is 2.8 MPa and the steam leaving the boiler is superheated to a temperature 110 0C above its saturation temperature. The condenser temperature is 49 0C. Condenser discharges saturates liquid. The efficiency of the turbine is 0.90 and of the pump 0.8 as compared to reversible and adiabatic machines operating at the same pressure ranges. a) Sketch the cycle on a T-S...
QUESTION 5 A steam power plant is designed to operate on a reheat Rankine cycle to...
QUESTION 5 A steam power plant is designed to operate on a reheat Rankine cycle to produce 115 MW of a net power output. Due to metallurgical limitation, the high-pressure turbine is limited to operate at maximum pressure and temperature of 15 MPa and 650°C, respectively. The lowpressure turbine is to operate at maximum pressure and temperature of 3.5 MPa, and 500°C, respectively. Both high and low pressure turbines have maximum isentropic efficiency of 87 percent. The maximum reheat pressure...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT