2. A simple-ideal Brayton cycle using air as the working fluid has a pressure ratio of 8. The minimum and maximum air temperatures in the cycle are 300 and 1500 K respectively. Assume constant specific heat of air at 1005 (J/kg.K) throughout the cycle, determine: a. The net work output. b. The thermal efficiency. c. The second-law efficiency of the cycle if the heat is added at 1800 K. d. The rate of exergy loss in the cycle, if the mass flow rate is 10 kg/s. e. The optimum pressure ratio that would produce the maximum power output for the same temperature limits.

2. A simple-ideal Brayton cycle using air as the working fluid has a pressure ratio of 8. The minimum and maximum air temperatures in the cycle are 300 and 1500 K respectively. Assume constant specific heat of air at 1005 (J/kg.K) throughout the cycle, determine: a. The net work output. b. The thermal efficiency. c. The second-law efficiency of the cycle if the heat is added at 1800 K. d. The rate of exergy loss in the cycle, if the mass flow rate is 10 kg/s. e. The optimum pressure ratio that would produce the maximum power output for the same temperature limits.

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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