First and second law analysis of a gasoline engine for various compression ratios
by Adnan Parlak, Yavuz Erbas, Halit Yasar, Hakan Soyhan, Cengiz Deniz
International Journal of Vehicle Design (IJVD), Vol. 49, No. 1/2/3, 2009

Abstract: This article presents a comparative energy and exergy analyses of a single cylinder, four-stroke spark-ignition engine for three compression ratios. A Petter engine with variable compression ratio and ignition timing was used to obtain the experimental data at full load conditions for six engine speeds between 1,300 and 2,800 rpm. It was found that the first and the second law efficiencies increased with increasing compression ratio. The maximum extractable power was obtained at the compression ratio 6.2 and observed inversely proportional to the compression ratio.

Online publication date: Mon, 30-Mar-2009

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