Superheated steam enters the first stage of a steam turbine at 2.5 MPa and 300°C. the steam leaves the first stage at a pressure of 500 kPa and returns to the steam generator, which leaves at a temperature of 300 ºC and re-enters the second stage of the turbine, which finally leaves at 10kPa. Evaluate the efficiency of the cycle and the quality of the steam at the outlet of the two stages of the turbine.
Superheated steam enters the first stage of a steam turbine at 2.5 MPa and 300°C. the steam leaves the first stage at a pressure of 500 kPa and returns to the steam generator, which leaves at a temperature of 300 ºC and re-enters the second stage of the turbine, which finally leaves at 10kPa. Evaluate the efficiency of the cycle and the quality of the steam at the outlet of the two stages of the turbine.
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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Superheated steam enters the first stage of a steam turbine at 2.5 MPa and 300°C. the steam
leaves the first stage at a pressure of 500 kPa and returns to the steam generator, which leaves at a
temperature of 300 ºC and re-enters the second stage of the turbine, which finally leaves at 10kPa.
Evaluate the efficiency of the cycle and the quality of the steam at the outlet of the two stages of the turbine.
Transcribed Image Text:Caldera
Recalen-
tamiento 4
Turbina
de alta
presión
P4=P5= Precalentamiento
Bomba
Turbina
de baja
presión
Condensador
1
3
4
P₂= P3
5
6
P₁ = P₁
Expert Solution
Step 1
Given that:
For the reheat Rankine cycle,
P3 = P2 = 2.5 MPa
T3 = 300 oC
P5 = 500 kPa
T5 = 300 oC
Condenser pressure is 10 kPa.
It is required to determine the thermal efficiency of the cycle and the quality of steam at the two stages of the turbine.
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