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2. A steam power plant operates on an ideal reheat-regenerative Rankine cycle and has a net power output of Wnet (MW). Steam enters the high-pressure turbine at Ps (MPa) and T; (°C) and leaves at Pô (MPa). Steam is then reheated to T7 (°C) and is expanded in the intermediate-pressure turbine to the pressure of Pg (MPa). Some steam is extracted at this pressure to heat the feedwater in an open feedwater heater. The rest of the steam is reheated to Tg (°C) and is expanded in the low-pressure turbine to the condenser pressure of Po (kPa). Show the cycle on a T-s diagram with respect to saturation lines, and determine the mass flow rate of steam through the boiler and the thermal efficiency of the cycle.

2. A steam power plant operates on an ideal reheat-regenerative Rankine cycle and has a net power output of Wnet (MW). Steam enters the high-pressure turbine at Ps (MPa) and T; (°C) and leaves at Pô (MPa). Steam is then reheated to T7 (°C) and is expanded in the intermediate-pressure turbine to the pressure of Pg (MPa). Some steam is extracted at this pressure to heat the feedwater in an open feedwater heater. The rest of the steam is reheated to Tg (°C) and is expanded in the low-pressure turbine to the condenser pressure of Po (kPa). Show the cycle on a T-s diagram with respect to saturation lines, and determine the mass flow rate of steam through the boiler and the thermal efficiency 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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W net P3 T5 P. T7 Pg T, P10 160 12.5 600 3.5 550 0.45 550 10
Transcribed Image Text:W net P3 T5 P. T7 Pg T, P10 160 12.5 600 3.5 550 0.45 550 10
2. A steam power plant operates on an ideal reheat-regenerative Rankine cycle and has a net power output of Wnet (MW). Steam enters the high-pressure turbine at P3 (MPa) and T; (°C) and leaves at P6 (MPa). Steam is then reheated to T7 (°C) and is expanded in the intermediate-pressure turbine to the pressure of Pg (MPa). Some steam is extracted at this pressure to heat the feedwater in an open feedwater heater. The rest of the steam is reheated to T9 (°C) and is expanded in the low-pressure turbine to the condenser pressure of P10 (kPa). Show the cycle on a T-s diagram with respect to saturation lines, and determine the mass flow rate of steam through the boiler and the thermal efficiency of the cycle. High-pressure Intermediate-pressure Low-pressure turbine turbine turbine 10 Open FWH Boiler 4 3 Pump B Pump A MMMM Condenser
Transcribed Image Text:2. A steam power plant operates on an ideal reheat-regenerative Rankine cycle and has a net power output of Wnet (MW). Steam enters the high-pressure turbine at P3 (MPa) and T; (°C) and leaves at P6 (MPa). Steam is then reheated to T7 (°C) and is expanded in the intermediate-pressure turbine to the pressure of Pg (MPa). Some steam is extracted at this pressure to heat the feedwater in an open feedwater heater. The rest of the steam is reheated to T9 (°C) and is expanded in the low-pressure turbine to the condenser pressure of P10 (kPa). Show the cycle on a T-s diagram with respect to saturation lines, and determine the mass flow rate of steam through the boiler and the thermal efficiency of the cycle. High-pressure Intermediate-pressure Low-pressure turbine turbine turbine 10 Open FWH Boiler 4 3 Pump B Pump A MMMM Condenser
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