Pravinbhai !Required informationConsider a simple ideal Brayton cycle with air as the working fluid. Thepressure ratio of the cycle is 6, and the minimum and maximumtemperatures are 300 and 1300 K, respectively. Now the pressure ratio isincreased to 14.00 without changing the minimum and maximumtemperatures in the cycle. Use data from the tables. Assume constantspecific heats for air at room temperature. The properties of air at roomtemperature are R = 0.287 kJ/kg.K,Ср1.005 kJ/kg K, c₁ = 0.718 kJ/kg K, and k = 1.4.cv.k=1.4.Determine the change in the net work output per unit mass.The change in the net work output per unit mass isKJ.

Answered: Image /qna-images/answer/909fa655-fc07-45f4-9c03-59ab981ae2f0.jpg

Answered: Consider a simple ideal Brayton cycle…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

See similar textbooks

Similar questions

Given an ideal Brayton cycle, air is compressed at 95 kPa and 25°C at 800 kPa. Under simplified standard cold air conditions, calculate: The thermal efficiency of this cycle.
For an ideal cold air-standard Brayton cycle with a compressor inlet temperature of 300 K and a maximum cycle temperature of 1700 K, use Eq. in the picture to find the compressor pressure ratio that maximizes the net power output per unit mass flow. Assume k = 1.4
A simple ideal Brayton cycle is modified to incorporate multistage compression with intercooling, multistage expansion with reheating, and regeneration without changing the pressure limits of the cycle. As a result of these modifications, (a) Does the thermal efficiency increase, decrease, orremain the same? (b) Does the heat rejected increase, decrease, or remain thesame?
Write the expression for efficiency of a Rankine cycle in terms of Wturb, Wpump, Qin, Qout, and enthalpies. Thermodynamics question briefly explanation please
Air enters the compressor of an ideal air-standard Brayton cycle at 110 kPa, 289 K, with a volumetric flow rate of 5 m3/s. The compressor pressure ratio is 12:1. The turbine inlet temperature is 1567 K. Take the gas constant as 289 J/kg.K and Specific heat at constant pressure and constant volume for air as 1.004 kJ/kg K and 0.708 kJ/kg K respectively. Calculate the net power developed to two decimal places and include the correct SI unit symbol.
6. In an air-standard Brayton cycle the air enters the compressor at 0.1 MPa and 15◦C. Thepressure leaving the compressor is 1.0 MPa, and the maximum temperature in the cycle is1100◦C. Determine:a. The pressure and temperature at each point in the cycle.b. The compressor work, turbine work, and cycle efficiency.
Consider a simple Brayton cycle that uses air as the working fluid to operate a gas-turbine power plant between the pressure limits of 100kPa and 900kPa. Air enters the compressor at 298K and leaves at 610K at a mass flow rate of 1200kg/min. The maximum cycle temperature is 1380K. The net power output from the cycle is measured experimentally to be 55 MW. Assuming constant properties (Cv,Cp, R, and k) for air at 300K: a) Sketch a T-s diagram for the cycle b) Determine the isentropic efficiency of the turbine c) Determine the thermal efficiency
A simple actual Brayton cycle using air as the working fluid has a pressure ratio of 8. The minimum and maximum temperatures in the cycle are 310 and 1160 K. Assume the start of isentropic compression being state point 1, and an isentropic efficiency of 75 percent for the compressor and 82 percent for the turbine. Account for the variation of specific heats with temperature. [Hint: Do not consider the average values of specific heats. Use the concept of relative pressures.] Draw this actual Brayton cycle on T-s Also draw the schematic block diagram of the gas-turbine power plant which works on this cycle. Determine: the air temperature at the turbine exit in K, the net work output in kJ/kg, and the thermal
Air enters the compressor of an ideal air-standard Brayton cycle at 100 kPa, 300K and is compressed to 1000 kPa. The temperature at the inlet to the first turbine is 1400 K. The expansion takes place isentropically in two stages with reheat to 1400 K between the two stages at a constant pressure of 300kPa. A regenerator having an effectiveness of 100% is also incorporated in the cycle. Determine the thermal efficiency of the cycle.
The adiabatic efficiencies of the compressor and turbine used in an air-standard Brayton cycle are 85% and 90%, respectively. If the cycle operates between 14.7 and 55 psia and if the maximum and minimum temperatures are 1500 F and 80 F, respectively, compute the thermal efficiency of the cycle. Assume constant specific heats.
A gas turbine power plant working on Brayton cycle, Explain the working principle of the cycle with physical diagram as well as P-V and T-s diagrams, and with all the required details
A simple actual Brayton cycle using air as the working fluid has a pressure ratio of 8. The minimum and maximum temperatures in the cycle are 310 and 1160 K. Assume the start of isentropic compression being state point 1, and an isentropic efficiency of 75 percent for the compressor and 82 percent for the turbine. Account for the variation of specific heats with temperature. [Hint: Do not consider the average values of specific heats. Use the concept of relative pressures.](a) Draw this actual Brayton cycle on T-s diagrams. Also draw the schematic block diagram of the gas-turbine power plant which works on this cycle. Determine: (b) the air temperature at the turbine exit in K, (c) the net work output in kJ/kg, and (d) the thermal efficiency

SEE MORE QUESTIONS

Recommended textbooks for you

Elements Of Electromagnetics

Mechanical Engineering

ISBN:

9780190698614

Author:

Sadiku, Matthew N. O.

Publisher:

Oxford University Press

Mechanics of Materials (10th Edition)

Mechanical Engineering

ISBN:

9780134319650

Author:

Russell C. Hibbeler

Publisher:

PEARSON

Thermodynamics: An Engineering Approach

Mechanical Engineering

ISBN:

9781259822674

Author:

Yunus A. Cengel Dr., Michael A. Boles

Publisher:

McGraw-Hill Education

Elements Of Electromagnetics

Mechanical Engineering

ISBN:

9780190698614

Author:

Sadiku, Matthew N. O.

Publisher:

Oxford University Press

Mechanics of Materials (10th Edition)

Mechanical Engineering

ISBN:

9780134319650

Author:

Russell C. Hibbeler

Publisher:

PEARSON

Thermodynamics: An Engineering Approach

Mechanical Engineering

ISBN:

9781259822674

Author:

Yunus A. Cengel Dr., Michael A. Boles

Publisher:

McGraw-Hill Education

Control Systems Engineering

Mechanical Engineering

ISBN:

9781118170519

Author:

Norman S. Nise

Publisher:

WILEY

Mechanics of Materials (MindTap Course List)

Mechanical Engineering

ISBN:

9781337093347

Author:

Barry J. Goodno, James M. Gere

Publisher:

Cengage Learning

Engineering Mechanics: Statics

Mechanical Engineering

ISBN:

9781118807330

Author:

James L. Meriam, L. G. Kraige, J. N. Bolton

Publisher:

WILEY

SEE MORE TEXTBOOKS