A steam power plant operates on the reheat Rankine cycle. as shown in the schematic diagram (Fig Q 2). Steam enters the high-pressure turbine at 12.5 MPaand 550°C at a rate of7.7 kg/s and leaves at 2 MPa. Steam is then reheated at constant pressure to 450°C before it expands in the low-pressure turbine. The isentropic efficiencies of the turbine and the pump are 85% and 90%, re- spectively. Steam leaves the condenser as a saturated liquid. If the moisture content of the steam at the exit of the turbine is not to exceed 5%, then make all the necessary assumptions and determine
A steam power plant operates on the reheat Rankine cycle. as shown in the schematic diagram (Fig Q 2). Steam enters the high-pressure turbine at 12.5 MPaand 550°C at a rate of7.7 kg/s and leaves at 2 MPa. Steam is then reheated at constant pressure to 450°C before it expands in the low-pressure turbine. The isentropic efficiencies of the turbine and the pump are 85% and 90%, re- spectively. Steam leaves the condenser as a saturated liquid. If the moisture content of the steam at the exit of the turbine is not to exceed 5%, then make all the necessary assumptions and determine
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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![A steam power plant operates on the reheat Rankine cycle. as shown in the schematic diagram
(Fig. Q2). Steam enters the high-pressure turbine at 12.5 MPaand 550° Cat a rate of 7.7 kg/s and
leaves at 2 MPa. Steam is then reheated at constant pressure to 450°C before it expands in the
low-pressure turbine. The isentropic efficiencies of the turbine and the pump are 85% and 90%, re-
spectively. Steam leaves the condenser as a saturated liquid. If the moisture content of the steam at
the exit of the turbine is not to exceed 5%, then make all the necessary assumptions and determine
(a) the condenser pressure,
(b) the net power output, and
(c) the thermal efficiency.
Draw an accurate T-s diagram of the cycle and label all the property values on this diagram.
High-P
|Turbine
Low-P
Turbind
Boiler
Reheater
(5)
(Pump
Condenser](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F31703481-28a4-4ce3-85da-fa0a52b4a7b5%2Ff32e6c50-572f-4ba3-bcdd-a1c8deb0b933%2Fx8iy15pa_processed.png&w=3840&q=75)
Transcribed Image Text:A steam power plant operates on the reheat Rankine cycle. as shown in the schematic diagram
(Fig. Q2). Steam enters the high-pressure turbine at 12.5 MPaand 550° Cat a rate of 7.7 kg/s and
leaves at 2 MPa. Steam is then reheated at constant pressure to 450°C before it expands in the
low-pressure turbine. The isentropic efficiencies of the turbine and the pump are 85% and 90%, re-
spectively. Steam leaves the condenser as a saturated liquid. If the moisture content of the steam at
the exit of the turbine is not to exceed 5%, then make all the necessary assumptions and determine
(a) the condenser pressure,
(b) the net power output, and
(c) the thermal efficiency.
Draw an accurate T-s diagram of the cycle and label all the property values on this diagram.
High-P
|Turbine
Low-P
Turbind
Boiler
Reheater
(5)
(Pump
Condenser
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