A regenerative Rankine cycle, producing 250 (+ last digit of ID number) MW, has two feedwater heaters, a closed one for the first turbine extraction and an open one for the second turbine extraction. Steam enters the turbine at 7.5 (+ last digit of ID number) MPa and 500(+ last digit of ID number) "C and expands to 1500 (+ last digit of ID number) kPa, where the first extraction stage occurs. The remaining steam expands to 500 (+ last digit of ID number) kPa, where the second extraction stage occurs. The remainder expands through the turbine and exhausts at 7.5 (+ last digit of ID number) kPa. The closed feedwater heater drains through a trap to the open heater. Determine (a) the cycle thermal efficiency; (b) the steam flow rate entering the turbine; (c) the steam flow rate to each of the heaters. Draw both T-S diagram and component diagram as describe in the problem.
A regenerative Rankine cycle, producing 250 (+ last digit of ID number) MW, has two feedwater heaters, a closed one for the first turbine extraction and an open one for the second turbine extraction. Steam enters the turbine at 7.5 (+ last digit of ID number) MPa and 500(+ last digit of ID number) "C and expands to 1500 (+ last digit of ID number) kPa, where the first extraction stage occurs. The remaining steam expands to 500 (+ last digit of ID number) kPa, where the second extraction stage occurs. The remainder expands through the turbine and exhausts at 7.5 (+ last digit of ID number) kPa. The closed feedwater heater drains through a trap to the open heater. Determine (a) the cycle thermal efficiency; (b) the steam flow rate entering the turbine; (c) the steam flow rate to each of the heaters. Draw both T-S diagram and component diagram as describe in the problem.
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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LAST DIGIT OF ID NUMBER IS 9
Transcribed Image Text:3. A regenerative Rankine cycle, producing 250 (+ last digit of ID number) MW, has two feedwater
heaters, a closed one for the first turbine extraction and an open one for the second turbine
extraction. Steam enters the turbine at 7.5 (+ last digit of ID number) MPa and 500(+ last digit
of ID number) °C and expands to 1500 (+ last digit of ID number) kPa, where the first extraction
stage occurs. The remaining steam expands to 500 (+ last digit of ID number) kPa, where the
second extraction stage occurs. The remainder expands through the turbine and exhausts at 7.5
(+ last digit of ID number) kPa. The closed feedwater heater drains through a trap to the open
heater.
Determine (a) the cycle thermal efficiency; (b) the steam flow rate entering the turbine; (c) the
steam flow rate to each of the heaters.
Draw both T-S diagram and component diagram as describe in the problem.
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