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Liquid ethanol C,H;OH at 25 °C, 1 atm enters a combustion chamber operating at steady state and burns with air which is entering the chamber at 227 °C, 1 atm. The fuel flow rate is 25 kg/s 18. and the air-fuel ratio on a mass basis is 7.5. The products of combustion consisting of CO2, CO, H2O, and N2 leave the combustor at 1000 K and 1 atm. Consider all species to be ideal gases, and ignore potential and kinetic energy effects. i. Determine the molar air fuel ratio for the reaction; ii. Write an appropriate molar reaction equation to represent this process; iii. The equivalence ratio; iv. The rate of heat transfer from the combustion chamber in kJ/s.

Liquid ethanol C,H;OH at 25 °C, 1 atm enters a combustion chamber operating at steady state and burns with air which is entering the chamber at 227 °C, 1 atm. The fuel flow rate is 25 kg/s 18. and the air-fuel ratio on a mass basis is 7.5. The products of combustion consisting of CO2, CO, H2O, and N2 leave the combustor at 1000 K and 1 atm. Consider all species to be ideal gases, and ignore potential and kinetic energy effects. i. Determine the molar air fuel ratio for the reaction; ii. Write an appropriate molar reaction equation to represent this process; iii. The equivalence ratio; iv. The rate of heat transfer from the combustion chamber in kJ/s.

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Liquid ethanol C2H;OH at 25 °C, 1 atm enters a combustion chamber operating at steady state and burns with air which is entering the chamber at 227 °C, 1 atm. The fuel flow rate is 25 kg/s 18. and the air-fuel ratio on a mass basis is 7.5. The products of combustion consisting of CO2, CO, H2O, and N2 leave the combustor at 1000 K and 1 atm. Consider all species to be ideal gases, and ignore potential and kinetic energy effects. i. Determine the molar air fuel ratio for the reaction; ii. Write an appropriate molar reaction equation to represent this process; iii. The equivalence ratio; iv. The rate of heat transfer from the combustion chamber in kJ/s.
Transcribed Image Text:Liquid ethanol C2H;OH at 25 °C, 1 atm enters a combustion chamber operating at steady state and burns with air which is entering the chamber at 227 °C, 1 atm. The fuel flow rate is 25 kg/s 18. and the air-fuel ratio on a mass basis is 7.5. The products of combustion consisting of CO2, CO, H2O, and N2 leave the combustor at 1000 K and 1 atm. Consider all species to be ideal gases, and ignore potential and kinetic energy effects. i. Determine the molar air fuel ratio for the reaction; ii. Write an appropriate molar reaction equation to represent this process; iii. The equivalence ratio; iv. The rate of heat transfer from the combustion chamber in kJ/s.
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