Steam at 2000 psia and 1000°F enters the high-pressure turbine of a reheat cycle and is expanded adiabatically and reversibly to 200 psia. The steam is then passed through the superheater, from where it exits at the 950°F temperature. The low-pressure turbine expands the steam reversibly and adiabatically to 1 psia. If 7 lbm/s of steam is used and the circulating pump is assumed to operate ideally, the power produced, the added heat rate, and the cycle efficiency are
Steam at 2000 psia and 1000°F enters the high-pressure turbine of a reheat cycle and is expanded adiabatically and reversibly to 200 psia. The steam is then passed through the superheater, from where it exits at the 950°F temperature. The low-pressure turbine expands the steam reversibly and adiabatically to 1 psia. If 7 lbm/s of steam is used and the circulating pump is assumed to operate ideally, the power produced, the added heat rate, and the cycle efficiency are
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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Steam at 2000 psia and 1000°F enters the high-pressure turbine of a reheat cycle and is expanded adiabatically and reversibly to 200 psia. The steam is then passed through the superheater, from where it exits at the 950°F temperature. The low-pressure turbine expands the steam reversibly and adiabatically to 1 psia. If 7 lbm/s of steam is used and the circulating pump is assumed to operate ideally, the power produced, the added heat rate, and the cycle efficiency are:
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a) 7049,76 hp ; 12124,5 Btu/s ; 42,2% b) 7400,77 hp ; 11553,7 Btu/s ; 45,1% c) 8350,08 hp ; 13089,6 Btu/s ; 49,8% d) 7944,76 hp ; 11834,2 Btu/s ; 47,6% |
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