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:: Volume 60, Issue 60 (12-2020) ::
Vol.60 No. 60 pp. 78-89 Back to browse issues page
Numerical Investigation on the Combustion Characteristics of Methyl Decanoate /Natural Gas in a RCCI Engine
Abstract:   (356 Views)
Reactivity controlled compression ignition (RCCI) is a new combustion mode which a mixture of fuel inside the cylinder is provided by injection of low reactivity fuel in the fuel inlet manifold and multi-stage injection of high reactivity fuel inside the cylinder. By changing the engine input parameters and determining the conditions, this study attempted to approximate a biodiesel dual-fuel (C11H22O2) / natural gas emgine to the combustion phase of reactivity controlled compression ignition (RCCI) to examine and compare the efficiency and output emissions. The understudy influencing factors included the comparison between the biodiesel-natural gas and diesel-natural gas fuels with similar energy generation, relevant strategies, and fuel emission rate. In this research, the 3401E Caterpillar emgine geometry was employed for the numerical simulation by the commercial Converge Software and SAGE combustion model. The results showed that, due to the high Cetane number and high oxygen present in its composition, the biodiesel fuel gave rise to earlier combustion as compared with diesel. The injection time precession, shortened injection time, and increased injection rate in the first phase increased pressure, average temperature, and the heat release rate, and the power and yield of combustion enhanced. Likewise, due to complete combustion, the rates of output emissions, including CO2, HC, and soot, decreased.
Keywords: RCCI, Bio Diesel, Natural Gas, emission
Full-Text [PDF 1514 kb]   (66 Downloads)    
Type of Study: Research Study | Subject: Fuel and Combustion in Internal Combustion Engines
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Numerical Investigation on the Combustion Characteristics of Methyl Decanoate /Natural Gas in a RCCI Engine. JER. 2020; 60 (60) :78-89
URL: http://engineresearch.ir/article-1-753-en.html

Volume 60, Issue 60 (12-2020) Back to browse issues page
فصلنامه تحقیقات موتور The Journal of Engine Research
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