Octane (C 8 H 18 ) burns with 130% theoretical air, with the octane entering at a mass flow rate of 1.2 kg/s and at a temperature of 298 K. The air is preheated before entering the combustor, and...

Octane (C₈
H₁₈) burns with 130% theoretical air, with the octane entering at a mass flow rate of 1.2 kg/s and at a temperature of 298 K. The air is preheated before entering the combustor, and enters at 500 K. The mixture burns to completion, and the products exit at 650 K. Determine the rate of heat release for the combustion process.