cogeneration steam plant of the extraction -condensing steam turbine type has turbine inlet flow of 12.5 kg/s at 50 bar and 400 °C, extraction for process steam at 220 °C and condensing for both turbine and process is at 40 °C. Assume ideal turbine and pump processes, no feed water heating and electricity to total energy rate output equal to 50%. Calculate, Fial Famination 2015/201 (a). The cogeneration plant efficiency. (b). The plant efficiency if separate electric and steam generation (separate method) producing the same outputs as above are used. For cases (a & b) take the steam generator efficiency as 85 % and neglect pumps work.

cogeneration steam plant of the extraction -condensing steam turbine type has turbine inlet flow of 12.5 kg/s at 50 bar and 400 °C, extraction for process steam at 220 °C and condensing for both turbine and process is at 40 °C. Assume ideal turbine and pump processes, no feed water heating and electricity to total energy rate output equal to 50%. Calculate, Fial Famination 2015/201 (a). The cogeneration plant efficiency. (b). The plant efficiency if separate electric and steam generation (separate method) producing the same outputs as above are used. For cases (a & b) take the steam generator efficiency as 85 % and neglect pumps work.

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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