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er is the working fluid in a supercritical ideal reheat cycle. Steam enters the first-stage turbine at 320 bar, 640°C, and expands to 120 bar. After being reheated it enters the second-stage turbine at a temperature of 600°C, where is expands to a pressure of 0.06 bar. The steam is then condensed until it is a saturated liquid. Question: Determine: (a) The thermal efficiency of the cycle (b) The back work ratio of the cycle

er is the working fluid in a supercritical ideal reheat cycle. Steam enters the first-stage turbine at 320 bar, 640°C, and expands to 120 bar. After being reheated it enters the second-stage turbine at a temperature of 600°C, where is expands to a pressure of 0.06 bar. The steam is then condensed until it is a saturated liquid. Question: Determine: (a) The thermal efficiency of the cycle (b) The back work ratio of the cycle

Elements Of Electromagnetics
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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Water is the working fluid in a supercritical ideal reheat cycle. Steam enters the first-stage
turbine at 320 bar, 640°C, and expands to 120 bar. After being reheated it enters the
second-stage turbine at a temperature of 600°C, where is expands to a pressure of 0.06
bar. The steam is then condensed until it is a saturated liquid.
Question:
Determine:
(a) The thermal efficiency of the cycle
(b) The back work ratio of the cycle

Expert Solution
Step 1

Given:Pressure and temperature at turbine inlet, T1=640°C     P1=320 barTemperature at the outlet of th first turbine, P2=120 barTemperature at which it enters second turbine, T3=600°CPressure at which it expands, P4=0.06 barT

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