a) Explanation Draw the T − s diagram for the regenerative Brayton cycle as shown in Figure (1). Assuming constant specific heats Write the expression to calculate the pressure ratio of the cycle ( r p ) . r p = P 2 P 1 (I) Write the temperature and pressure relation for the isentropic process 1-2. T 2 = T 1 ( P 2 P 1 ) ( k − 1 ) / k = T 1 ( r p ) ( k − 1 ) / k (II) Here, temperature at state 1 is T 1 , temperature at state 2 is T 2 , pressure at state 1 is P 1 , pressure at state 2 is P 2 , the pressure ratio is r p , and the specific heat ratio is k . Write the temperature and pressure relation for the isentropic process 3-4. T 4 = T 3 ( P 4 P 3 ) ( k − 1 ) / k = T 3 ( 1 r p ) ( k − 1 ) / k (III) Here, temperature at state 4 is T 4 , temperature at state 3 is T 3 , pressure at state 4 is P 4 , and pressure at state 3 is P 3 Write expression to calculate the thermal efficiency of the cycle ( η th ) . η th = 1 − q out q in = 1 − c p ( T 6 − T 1 ) c p ( T 3 − T 5 ) = 1 − ( T 6 − T 1 ) ( T 3 − T 5 ) (IV) Here, the heat input to the cycle is q in , heat rejected by the cycle is q out , the specific heat at constant pressure is c p , temperature at state 5 is T 5 and temperature at state 6 is T 6 . Write the expression to calculate the power delivered by the gas-turbine power plant ( W ˙ net ) b) To determine The power delivered by the gas-turbine power plant assuming variable specific heats.

8th Edition

ISBN: 9781307434316

Author: CENGEL

Publisher: INTER MCG

See similar textbooks

Videos

Question

Chapter 9.12, Problem 108P

To determine

The power delivered by the gas-turbine power plant assuming constant specific heats.

To determine

The power delivered by the gas-turbine power plant assuming variable specific heats.

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

Chapter 9.12, Problem 107P

Chapter 9.12, Problem 109P

Students have asked these similar questions

Using a "for loop" in MATLAB program to obtain the unit-step response of thissystem for the following four cases in a single plot What can you observe from the plot? Auto Controls Provide matlab code

Problem 2 (40 Points) A particle of mass m is embedded at a distance a from the center of a massless circular disk of radius r. The disk rolls without slipping down a plane inclined at an angle a with the horizontal. A horizontal force of Ễ = −Fxî + Fyĵ resists motion of the disk down the plane by pushing on the disk at the axle that runs through the center of the disk. a) Find the kinetic energy T. (10 points) b) Find the potential energy V. (10 points) c) Write a position vector to the axle at the center of the wheel in terms of x and y. (10 points) d) Using virtual work, find the applied force Q₁ that would go in Lagrange's Equations. DO NOT WRITE OUT OR SOLVE LAGRANGES'S EQUATIONS. (10 points) x r m e 10 g F α HINTS 1) Consider using the STATIONARY red xy frame a reference frame from which to draw vectors 2) The red xy system DOES NOT move. It is stationary. 3) Consider that the disk rolls a distance of re down the ramp

Draw a counter balance circuit of a vertical cylinder. using counter balance valve and external load.

Chapter 9 Solutions

THERMODYNAMICS(SI UNITS,INTL.ED)EBOOK>I

Ch. 9.12 - What are the air-standard assumptions?Ch. 9.12 - What is the difference between air-standard...Ch. 9.12 - How does the thermal efficiency of an ideal cycle,...Ch. 9.12 - What does the area enclosed by the cycle represent...Ch. 9.12 - Prob. 5P Ch. 9.12 - Prob. 6P Ch. 9.12 - Can the mean effective pressure of an automobile...Ch. 9.12 - Prob. 8P Ch. 9.12 - What is the difference between spark-ignition and...Ch. 9.12 - Prob. 10P

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.

The power delivered by the gas-turbine power plant assuming constant specific heats.

Solution Summary: The author analyzes the power delivered by the gas-turbine power plant assuming constant specific heats.

Videos

The power delivered by the gas-turbine power plant assuming constant specific heats.

The power delivered by the gas-turbine power plant assuming variable specific heats.

Want to see the full answer?

Chapter 9 Solutions