Water is the working fluid in an ideal regenerative Rankine cycle with one closed feedwater heater. Steam enters the turbine at 1400 Ibg/in.2 and 1200°F and expands to 120 lbp/in.2, where some of the steam is extracted and diverted to the closed feedwater heater. The remaining steam expands through the second-stage turbine to the condenser pressure of 2 lbs/in.2 Condensate exiting the feedwater heater as saturated liquid at 120 lb/in2 undergoes a throttling process as it passes through a trap into the condenser. The feedwater leaves the heater at 1400 lb/in.2 and a temperature equal to the saturation temperature at 120 lbf/in.? The net power output of the cycle is 283 MW.
Water is the working fluid in an ideal regenerative Rankine cycle with one closed feedwater heater. Steam enters the turbine at 1400 Ibg/in.2 and 1200°F and expands to 120 lbp/in.2, where some of the steam is extracted and diverted to the closed feedwater heater. The remaining steam expands through the second-stage turbine to the condenser pressure of 2 lbs/in.2 Condensate exiting the feedwater heater as saturated liquid at 120 lb/in2 undergoes a throttling process as it passes through a trap into the condenser. The feedwater leaves the heater at 1400 lb/in.2 and a temperature equal to the saturation temperature at 120 lbf/in.? The net power output of the cycle is 283 MW.
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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Transcribed Image Text:Water is the working fluid in an ideal regenerative Rankine cycle with one closed feedwater heater. Steam enters the turbine at 1400
Ib/in.² and 1200°F and expands to 120 lb/in.2, where some of the steam is extracted and diverted to the closed feedwater heater. The
remaining steam expands through the second-stage turbine to the condenser pressure of 2 lbs/in.² Condensate exiting the feedwater
heater as saturated liquid at 120 lb/in.2 undergoes a throttling process as it passes through a trap into the condenser. The feedwater
leaves the heater at 1400 lb/in.2 and a temperature equal to the saturation temperature at 120 lbf/in.2 The net power output of the
cycle is 283 MW.
Step 1
Determine the mass flow rate of steam entering the first stage of the turbine, in lb/h.
Your answer is correct.
=
11 =
1730323.25
* Your answer is incorrect.
Determine the thermal efficiency of the cycle.
lb/h
i 0.22
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