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http://dx.doi.org/10.9726/kspse.2017.21.1.063

A Study on Combustion Characteristics of Gasoline and Diesel Fuels in a Compression Ignition Engine  

Kim, Kihyun (College of MICT Convergence Engineering, Silla University)
Publication Information
Journal of Power System Engineering / v.21, no.1, 2017 , pp. 63-69 More about this Journal
Abstract
The combustion characteristics of gasoline and diesel were tested in a compression ignition engine. Both fuels were used with same common rail injection system. Combustion experiment showed that low load condition of 0.45 MPa IMEP (indicated mean effective pressure) was tested in metal and optical engines. The gasoline combustion showed higher hydrocarbon and carbon monoxide emissions but lower soot emission compared with diesel combustion. NOx emissions were very high at late injection timing but significantly decreased at early injection timing due to the lean combustion resulted from vigorous mixing process. Direct combustion visualization showed that the diesel combustion was dominated by diffusion combustion exhibiting soot incandescence and the gasoline combustion was mostly consisted of premixed combustion showing blue chemiluminescence.
Keywords
Diesel; Gasoline; Compression ignition engine; premixed combustion; lean combustion;
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