Effects of Canola Oil Biodiesel Fuel Blends on Combustion, Performance, and Emissions Reduction in a Common Rail Diesel Engine

Sam Ki Yoon, Min Soo Kim, Han Joo Kim and Nag Jung Choi
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Sam Ki Yoon: Technical Education Center, GM Korea Company, 72 Saengmuol-ro, Gunsansi, Jeollabuk-do 573-882, Korea
Min Soo Kim: Division of Mechanical Design Engineering, Chonbuk National University, 567 Baekje-daero, Jeonjusi, Jeollabuk-do 561-756, Korea
Han Joo Kim: Division of Mechanical Design Engineering, Chonbuk National University, 567 Baekje-daero, Jeonjusi, Jeollabuk-do 561-756, Korea
Nag Jung Choi: Division of Mechanical Design Engineering, Chonbuk National University, 567 Baekje-daero, Jeonjusi, Jeollabuk-do 561-756, Korea

Energies, 2014, vol. 7, issue 12, 1-18

Abstract: In this study, we investigated the effects of canola oil biodiesel (BD) to improve combustion and exhaust emissions in a common rail direct injection (DI) diesel engine using BD fuel blended with diesel. Experiments were conducted with BD blend amounts of 10%, 20%, and 30% on a volume basis under various engine speeds. As the BD blend ratio increased, the combustion pressure and indicated mean effective pressure (IMEP) decreased slightly at the low engine speed of 1500 rpm, while they increased at the middle engine speed of 2500 rpm. The brake specific fuel consumption (BSFC) increased at all engine speeds while the carbon monoxide (CO) and particulate matter (PM) emissions were considerably reduced. On the other hand, the nitrogen oxide (NO x ) emissions only increased slightly. When increasing the BD blend ratio at an engine speed of 2000 rpm with exhaust gas recirculation (EGR) rates of 0%, 10%, 20%, and 30%, the combustion pressure and IMEP tended to decrease. The CO and PM emissions decreased in proportion to the BD blend ratio. Also, the NO x emissions decreased considerably as the EGR rate increased whereas the BD blend ratio only slightly influenced the NO x emissions.

Keywords: canola oil biodiesel blends; exhaust gas recirculation; combustion characteristics; exhaust emissions; diesel engine (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2014
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (12)

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