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An open-cycle Brayton engine uses inlet air at 100 kPa and 25 C. Due to material constraints, the maximum allowable temperature in the cycle is 1200 C. (a) At what pressure ratio you are certain that the use of regeneration is not economical. Assume the regeneration is ideal. Show all your work.(b) Repeat the question if the regeneration effectiveness is 80%.(c) Calculate the total exergy loss in the previous case.

An open-cycle Brayton engine uses inlet air at 100 kPa and 25 C. Due to material constraints, the maximum allowable temperature in the cycle is 1200 C. (a) At what pressure ratio you are certain that the use of regeneration is not economical. Assume the regeneration is ideal. Show all your work.(b) Repeat the question if the regeneration effectiveness is 80%.(c) Calculate the total exergy loss in the previous case.

Elements Of Electromagnetics
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
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An open-cycle Brayton engine uses inlet air at 100 kPa and 25 C. Due to material constraints, the maximum allowable temperature in the cycle is 1200 C. (a) At what pressure ratio you are certain that the use of regeneration is not economical. Assume the regeneration is ideal. Show all your work.(b) Repeat the question if the regeneration effectiveness is 80%.(c) Calculate the total exergy loss in the previous case.

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