Question

Air as an ideal gas flows through the turbine and heat exchanger arrangement shown in figure s...

Air as an ideal gas flows through the turbine and heat exchanger arrangement shown in figure shown below. Steady-state data are given on the figure. Stray heat transfer and kinetic and potential energy effects can be ignored. Determine (a) temperature T3, in K. (b) the power output of the second turbine, in kW. (c) the rates of entropy production, each in kW/K, for the turbines and heat exchanger. (d) Using the result of part (c), place the components in rank order, beginning with the component contributing most to inefficient operation of the overall system.

image.png

6 0
Add a comment Improve this question Transcribed image text
✔ Recommended Answer
Answer #1

rablem 2, On air taloin 1.00 Re 0,282 331675 지.oos (Ts-,,。。) 1.00s (ero-/200) 1200 = (o Ts= 1268-84K at 13-14 33.1675 (12c3-4s T1 lo0

Add a comment
Know the answer?
Add Answer to:
Air as an ideal gas flows through the turbine and heat exchanger arrangement shown in figure s...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Similar Homework Help Questions
  • Separate streams of steam and air flow through the turbine and heat exchanger arrangement shown in...

    Separate streams of steam and air flow through the turbine and heat exchanger arrangement shown in Fig. P4.108. Steady-state operating data are provided on the figure. Heat transfer with the surroundings can be neglected, as can all kinetic and potential energy effects. Determine (a) T3, in K, and (b) the power output of the second turbine, in kW. Figure P4.108 (page 227) Fundamentals of Engineering Thermodynamics 7th edition: Moran Shapiro

  • Separate streams of air and water flow through the compressor and heat exchanger arrangement shown below....

    Separate streams of air and water flow through the compressor and heat exchanger arrangement shown below. Steady state operating data are provided on the figure. Heat transfer with the surroundings can be neglected as can all kinetic and potential energy effects. The air is modeled as an ideal gas. Determine: (a) the total power required by both compressors, in kW. (b) the mass flow rate of the water, in kg/s. Separate streams of air and water flow through the compressor...

  • Air modeled as an ideal gas enters a turbine operating at steady state at 1040 K,...

    Air modeled as an ideal gas enters a turbine operating at steady state at 1040 K, 278 kPa and exits at 120 kPa. The mass flow rate is 5.5 kg/s, and the power developed is 1200 kW. Stray heat transfer and kinetic and potential energy effects are negligible. Assuming k = 1.4, determine: (a) the temperature of the air at the turbine exit, in K. (b) the percent isentropic turbine efficiency.

  • 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.

  • Thermodynamics: Vapor Power Plant

    Figure P6.165 shows a simple vapor power plant operating at steady state with water as the working fluid.Data at key locations are given on the figure. The mass flow rate of the water circulating through the components is 109 kg/s. Stray heat transfer and kinetic and potential energy effects can be ignored. Determine(a) the net power developed, in MW.(b) the thermal efficiency.(c) the isentropic turbine efficiency.(d) the isentropic pump efficiency.(e) the mass flow rate of the cooling water, in kg/s.(f)...

  • Urgent An industrial process discharges 5,700 m3/min of gaseous products at 200°C, 100 kPa. The figure...

    Urgent An industrial process discharges 5,700 m3/min of gaseous products at 200°C, 100 kPa. The figure below shows a proposed system for utilizing the combustion products and its steady state conditions. Heat transfer from the outer surface of the steam generator (heat exchanger) and turbine can be ignored, as can the changes in kinetic and potential energies of the streams. There is no pressure drop through the heat exchanger. The combustion product can be modeled as air as an ideal...

  • The figure below shows a turbine-driven pump that provides water to a mixing chamber located 25m...

    The figure below shows a turbine-driven pump that provides water to a mixing chamber located 25m higher than the pump. Steady-state operating data for the turbine and pump are labeled on the figure. Heat transfer from the water to the surroundings occurs at a rate of 2 kW. For the turbine, heat transfer with the surroundings and potential energy effects are negligible. Kinetic energy effects at all states can be ignored. Determine: a) The power required by the pump, in...

  • Figure P4.96 provides steady-state data for a throttling valve in series with a heat exchanger

    4.96 Figure P4.96 provides steady-state data for a throttling valve in series with a heat exchanger. Saturated liquid Refrigerant 134a enters the valve at a pressure of 9 bar and is throttled to a pressure of 2 bar. The refrigerant then enters the heat exchanger, exiting at a temperature of 10℃ with no significant decrease in pressure. In a separate stream, liquid water at 1 bar enters the heat exchanger at a temperature of 25℃ with a mass flow rate of...

  • The figure below provides steady-state data for a throttling valve in series with a heat exchanger.

    The figure below provides steady-state data for a throttling valve in series with a heat exchanger. Saturated liquid Refrigerant 134a enters the valve at a pressure of 9 bar and is throttled to a pressure of p2 2 bar. The refrigerant then enters the heat exchanger, exiting at a temperature of 10°C with no significant decrease in pressure. In a separate stream, liquid water at 1 bar enters the heat exchanger at a temperature of 25°C with a mass flow...

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT