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thermodynamic question.please just solve 9-84 9-82 A simple Brayton cycle using air as the working fluid has a pressure ratio of 10. The minimum c and maximum temperatures in the cycle are 295 an...
A simple Brayton cycle using air as the working fluid has a pressure ratio of 10....
A simple Brayton cycle using air as the working fluid has a pressure ratio of 10. The minimum and maximum temperatures in the cycle are 295 and 1240K. Assuming an isentropic efficiency of 83 percent for the compressor and 87 percent for the turbine. Determine the second law efficiencies of the compressor, the turbine, and the combustion chamber.
A simple Ideal Brayton cycle operates with air with minimum and maximum temperatures of 27C and...
A simple Ideal Brayton cycle operates with air with minimum and maximum temperatures of 27C and 727°C. It is designed so that the. maximum cycle pressure is 2000 kPa and the minimum cycle pressure is 100 kPa. The isentropic efficiency of the turbine is 78 percent. Determine the network produced per unit mass of air each time this cycle is executed and the cycle's thermal efficiency Use constant specific heats at room temperature. The properties of air at room temperature...
A simple ideal Brayton cycle operates with air with minimum and maximum temperatures of 27°C and...
A simple ideal Brayton cycle operates with air with minimum and
maximum temperatures of 27°C and 727°C. It is designed so that the
maximum cycle pressure is 2000 kPa and the minimum cycle pressure
is 100 kPa. The isentropic efficiency of the turbine is 96 percent.
Determine the net work produced per unit mass of air each time this
cycle is executed and the cycle’s thermal efficiency. Use constant
specific heats at room temperature. The properties of air at room...
Help Save & Exit Submit Required information A Brayton cycle with regeneration using air as the...
Help Save & Exit Submit Required information A Brayton cycle with regeneration using air as the working fluid has minimum and maximum temperatures in the cycle are 310 and 1150 K. Assume an isentropic efficiency of 75 percent for the compressor and 82 percent for the turbine and an effectiveness of 68 percent for the regenerator. Use variable specific heats for air a pressure ratio of 7. The Determine the air temperature at the turbine exit. (You must provide an...
A Brayton cycle operates with air with minimum and maximum temperatures of 27 ºC and 727...
A Brayton cycle operates with air with minimum and maximum temperatures of 27 ºC and 727 ºC. It is designed so that the maximum cycle pressure is 2000 kPa and the minimum cycle temperature is 100 kPa. The isentropic efficiencies of the turbine and compressor are both 90 percent. Using constant room-temperature specific heats, (a) determine the net work produced per unit mass of air each time this cycle is executed, in kJ/kg. (b) Determine the cycle's thermal efficiency. Remember...
1. A regenerative Brayton cycle operates over a pressure ratio of 8. The minimum and maximum...
1. A regenerative Brayton cycle operates over a pressure ratio of 8. The minimum and maximum temperatures in the cycle are 310 K and 1150 K, respectively. Assume an isentropic compressor efficiency of 75%, an isentropic turbine efficiency of 82%, and a regenerator effectiveness of 0.65. Using constant properties (Cp - 1.005 kJ/kgK, k = 1.4), determine: a) The T-s diagram for all processes including the isentropic processes b) The air temperature at the turbine exit c) The specific network...
Pressure ratio of a Brayton cycle with air operated regenerator 8. The lowest and highest temperatures...
Pressure ratio of a Brayton cycle with air operated regenerator 8. The lowest and highest temperatures of the cycle are 310 K and 1150 K. Adiabatic efficiency of compressor and turbine 75% and 82%, respectively. the efficiency of the regenerator is 65%. The cycle in the T-s diagram Show. Consider the variation of specific temperatures with temperature. a) the temperature of the air at the turbine outlet, b) Net work of the cycle, c) Calculate the thermal efficiency of the...
A simple ideal Brayton cycle has a pressure ratio of 6. The working fluid enters the...
A simple ideal Brayton cycle has a pressure ratio of 6. The working fluid enters the compressor at a pressure of 100 kPa and a temperature of 300 K. The temperature at the end of the combustion process is 1273 K. Applying the cold air-standard assumption: a) Draw the P-v and T-s process diagrams for the cycle. b) Calculate the specific compressor and turbine work. c) Determine the thermal efficiency of the cycle.
Problem 1 A Brayton-cycle power plant takes in air at 100 kPa and 26.7°C. Compression in two stag...
please solve by exact analysis
Problem 1 A Brayton-cycle power plant takes in air at 100 kPa and 26.7°C. Compression in two stages with intercooling, and each stage has a pressure ratio of 2.38 and an efficiency of 84%, with intercooling to 26.7°C The maximum temperature of the cycle is 676.7°C Turbine efficiency is 82%. The turbine and compressor are assumed adiabatic. A regenerator heats the compressed air to 326.7°C before sending it to the combustor. Calculate (a) the back...
Problem 9.106 using varaiable specific heat assumption (Non-Ideal Regenerative Brayton Cycle) 9-105 A gas turbine for...
Problem 9.106 using varaiable specific heat assumption
(Non-Ideal Regenerative Brayton Cycle)
9-105 A gas turbine for an automobile is designed with a regenerator. Air enters the compressor of this engine at 100 kPa and 30°C. The compressor pressure ratio is 8; the maximum cycle temperature is 800°C; and the cold airstream leaves the regenerator 10°C cooler than the hot airstream at the inlet of the regenerator. Assuming both the compressor and the tur- bine to be isentropic, determine the rates...
A simple Ideal Brayton cycle operates with air with minimum and maximum temperatures of 27C and 727°C. It is designed so that the. maximum cycle pressure is 2000 kPa and the minimum cycle pressure is 100 kPa. The isentropic efficiency of the turbine is 78 percent. Determine the network produced per unit mass of air each time this cycle is executed and the cycle's thermal efficiency Use constant specific heats at room temperature. The properties of air at room temperature...
A simple ideal Brayton cycle operates with air with minimum and
maximum temperatures of 27°C and 727°C. It is designed so that the
maximum cycle pressure is 2000 kPa and the minimum cycle pressure
is 100 kPa. The isentropic efficiency of the turbine is 96 percent.
Determine the net work produced per unit mass of air each time this
cycle is executed and the cycle’s thermal efficiency. Use constant
specific heats at room temperature. The properties of air at room...
Help Save & Exit Submit Required information A Brayton cycle with regeneration using air as the working fluid has minimum and maximum temperatures in the cycle are 310 and 1150 K. Assume an isentropic efficiency of 75 percent for the compressor and 82 percent for the turbine and an effectiveness of 68 percent for the regenerator. Use variable specific heats for air a pressure ratio of 7. The Determine the air temperature at the turbine exit. (You must provide an...
1. A regenerative Brayton cycle operates over a pressure ratio of 8. The minimum and maximum temperatures in the cycle are 310 K and 1150 K, respectively. Assume an isentropic compressor efficiency of 75%, an isentropic turbine efficiency of 82%, and a regenerator effectiveness of 0.65. Using constant properties (Cp - 1.005 kJ/kgK, k = 1.4), determine: a) The T-s diagram for all processes including the isentropic processes b) The air temperature at the turbine exit c) The specific network...
please solve by exact analysis
Problem 1 A Brayton-cycle power plant takes in air at 100 kPa and 26.7°C. Compression in two stages with intercooling, and each stage has a pressure ratio of 2.38 and an efficiency of 84%, with intercooling to 26.7°C The maximum temperature of the cycle is 676.7°C Turbine efficiency is 82%. The turbine and compressor are assumed adiabatic. A regenerator heats the compressed air to 326.7°C before sending it to the combustor. Calculate (a) the back...
Problem 9.106 using varaiable specific heat assumption
(Non-Ideal Regenerative Brayton Cycle)
9-105 A gas turbine for an automobile is designed with a regenerator. Air enters the compressor of this engine at 100 kPa and 30°C. The compressor pressure ratio is 8; the maximum cycle temperature is 800°C; and the cold airstream leaves the regenerator 10°C cooler than the hot airstream at the inlet of the regenerator. Assuming both the compressor and the tur- bine to be isentropic, determine the rates...
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