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IDI 압축착화기관에서 바이오디젤유 및 함산소연료(EGBE) 적용에 의한 배기배출물 특성 연구
오영택(Youngtaig Oh),최승훈(Seunghun Choi),주주현(Juhyun Ju),이대현(Daehyun Lee),아즈자르갈(Azjargal Janchiv) 한국자동차공학회 2010 한국자동차공학회 부문종합 학술대회 Vol.2010 No.5
The purposes of improving air quality and diversifying energy resources have intensified research on verifying appropriate alternative fuels for internal combustion engines to solve serious environmental problems caused by the air pollution that is exhausted from various vehicles. In this study, the potential of biodiesel fuel and oxygenated fuel (ethylene glycol mono-n-butyl ether; EGBE) was investigated as an effective method of decreasing the smoke emission. The smoke emission of blending fuel (EGBE 0~20 vol-%) was reduced in comparison with diesel fuel and it was reduced approximately 64% at 2000 rpm, full load in the 20% of blending rate. But torque and brake specific energy consumption (BSEC) didn"t have no large differences. Also, the effects of exhaust gas recirculation (EGR) on the characteristics of NOx emission has been investigated. Consequently, it was found that simultaneous reduction of smoke and NOx was achieved with oxygenated fuel(10%) and cooled EGR rates (5~10%) in an IDI diesel engine.