The combustion in a gasoline engine may be approximated by a constant-volume heat addition process. The cylinder contains the air–fuel mixture before combustion and the combustion gases after it, and both may be approximated as air, an ideal gas. In a gasoline engine, the cylinder conditions are 1.18 MPa and 450°C before the combustion and 1900°C after it. Determine the pressure at the end of the combustion process. Combustion chamber P MPa 450°C The pressure is MPa.
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- Initial pressure, \( P_1 = 1.18 \, \text{MPa} \) - Initial temperature, \( T_1 = 450^\circ \text{C} = 723 \, \text{K} \) (convert to Kelvin by adding 273) - Final temperature, \( T_2 = 1900^\circ \text{C} = 2173 \, \text{K} \) Show more…
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