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1. A gas-turbine power plant operates on a modified Brayton cycle. The pressure ratio of the compressor is P2/P.. The atmospheric pressure is Patm (kPa). Air enters the compressor at Tc,in (°C) and each state of the turbine at Trin (K). The compressor and the high pressure turbine have the isentropic efficiency of 100% and the low pressure turbine has an isentropic efficiency of nlpt (%). The high pressure turbine develops just enough power to run the compressor (WHPT = Wc). If the mass flow rate of the air into the compressor is mair (kg/s) show the cycle on T - s diagram and determine the power values of the compressor and turbines, the heat input and the cycle efficiency. Assume constant properties for air c, (kJ/kgK), c, (kJ/kgK). Cobustion chamber Reheater High-pressure turbine Low-pressure turbine Compressor 1 Pam

1. A gas-turbine power plant operates on a modified Brayton cycle. The pressure ratio of the compressor is P2/P.. The atmospheric pressure is Patm (kPa). Air enters the compressor at Tc,in (°C) and each state of the turbine at Trin (K). The compressor and the high pressure turbine have the isentropic efficiency of 100% and the low pressure turbine has an isentropic efficiency of nlpt (%). The high pressure turbine develops just enough power to run the compressor (WHPT = Wc). If the mass flow rate of the air into the compressor is mair (kg/s) show the cycle on T - s diagram and determine the power values of the compressor and turbines, the heat input and the cycle efficiency. Assume constant properties for air c, (kJ/kgK), c, (kJ/kgK). Cobustion chamber Reheater High-pressure turbine Low-pressure turbine Compressor 1 Pam

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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1. A gas-turbine power plant operates on a modified Brayton cycle. The pressure ratio of the compressor is P2/P. The atmospheric pressure is Patm (kPa). Air enters the compresor at Tc.in (°C) and each state of the turbine at Trin (K). The compressor and the high pressure turbine have the isentropic efficiency of 100% and the low pressure turbine has an isentropic efficiency of 7LPT (%). The high pressure turbine develops just enough power to run the compressor (WHPT = Wc). If the mass flow rate of the air into the compressor is mair (kg/s) show the cycle on T - s diagram and determine the power values of the compressor and turbines, the heat input and the cycle efficiency. Assume constant properties for air c, (kJ/kgK), cp (kJ/kgK). Cobustion chamber Reheater High-pressure turbine Low-pressure turbine Compressor atm atm
Transcribed Image Text:1. A gas-turbine power plant operates on a modified Brayton cycle. The pressure ratio of the compressor is P2/P. The atmospheric pressure is Patm (kPa). Air enters the compresor at Tc.in (°C) and each state of the turbine at Trin (K). The compressor and the high pressure turbine have the isentropic efficiency of 100% and the low pressure turbine has an isentropic efficiency of 7LPT (%). The high pressure turbine develops just enough power to run the compressor (WHPT = Wc). If the mass flow rate of the air into the compressor is mair (kg/s) show the cycle on T - s diagram and determine the power values of the compressor and turbines, the heat input and the cycle efficiency. Assume constant properties for air c, (kJ/kgK), cp (kJ/kgK). Cobustion chamber Reheater High-pressure turbine Low-pressure turbine Compressor atm atm
P2/P, Patm NLPT mair Cy,air Срair Tc,in 9 | 71| 280 0.810 | 1.065 92 13 1250
Transcribed Image Text:P2/P, Patm NLPT mair Cy,air Срair Tc,in 9 | 71| 280 0.810 | 1.065 92 13 1250
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