A Brayton cycle with regeneration has a compression ratio of r,=7.3 and uses air as the working fluid. Minimum temperature and pressure of the cycle are 294 Kand 99 kPa, respectively. Maximum temperature of the cycle is 1,062 K. Isentropic efficiency of the compressor is 85% and isentropic efficiency of the turbine is 88%. Heat is transferred to air at an amount of 306 kJ/kg. Assuming constant specific heats at room temperature, calculate the effectiveness of the regenerator, in %. Properties of air: Cv=0.718 kJ/(kgK), C,=1.005 kJ/(kgK), R=0.287 kJ/(kgK), k=1.4 Note: 0

A Brayton cycle with regeneration has a compression ratio of r,=7.3 and uses air as the working fluid. Minimum temperature and pressure of the cycle are 294 Kand 99 kPa, respectively. Maximum temperature of the cycle is 1,062 K. Isentropic efficiency of the compressor is 85% and isentropic efficiency of the turbine is 88%. Heat is transferred to air at an amount of 306 kJ/kg. Assuming constant specific heats at room temperature, calculate the effectiveness of the regenerator, in %. Properties of air: Cv=0.718 kJ/(kgK), C,=1.005 kJ/(kgK), R=0.287 kJ/(kgK), k=1.4 Note: 0

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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