Ethene, C2H4, and propane, C3H8, in a 1 1 mole ratio as gases are burned with 120 theoretical air in a gas turbine Fuel is added at 25 61616 C, 1 MPa and the air comes from the atmosphere, 25 61616 C, 100 kPa through a compressor to 1 MPa and mixed with the fuel The turbine work is such that the ex...

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Ethene, C2H4, and propane, C3H8, in a 1; 1 mole ratio as gases are burned with 120%

Question:

Ethene, C2H4, and propane, C3H8, in a 1; 1 mole ratio as gases are burned with 120% theoretical air in a gas turbine. Fuel is added at 25C, 1 MPa and the air comes from the atmosphere, 25C, 100 kPa through a compressor to 1 MPa and mixed with the fuel. The turbine work is such that the exit temperature is 800 K with an exit pressure of 100 kPa. Find the mixture temperature before combustion, and also the work, assuming an adiabatic turbine.