A small air-cooled gasoline engine is tested, and the output is found to be 1.0 kW. The temperature of the products is measured as 600 K. The products are analyzed on a dry volumetric basis, with the following result: 11.4% CO₂, 2.9% CO, 1.6% O₂, and 84.1% N₂. The fuel may be considered to be liquid octane. The fuel and air enter the engine at 25â—¦C, and the flow rate of fuel to the engine is 1.5 × 10^−4 kg/s. Determine the rate of heat transfer from the engine and its thermal efficiency

 

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Status NEW Posted 22 Jun 2017 05:06 AM My Price 8.00

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