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디젤엔진을 이용한 바이오디젤 연료의 기관성능에 관한 연구
김재덕(Jaeduk Kim),Ghurri Ainul,안병규(Byounkyu Ahn),송규근(Kyukeuni Song) 한국자동차공학회 2011 한국자동차공학회 지부 학술대회 논문집 Vol.2011 No.9
The combustion efficiency in diesel engine and its fuel economical are excellent. On the emission side, it has been shown that the exhaust gases from diesel engine became the cause of air pollution problem rather than the gasoline engine. Itis strongly needed to reduce the emissions on PM and NOx as the main pollutant on diesel engine. It demands the alternative fuels to achieve the emission gas reduction. The bio-diesel fuel has advantages in the view point of air pollution improvement. Bio-diesel can be made from cooking and vegetable oil. In the engine performance experimental results, it is observed that the highest maximum pressure inside combustion chamber was achieved by BD50, followed by BD25 and diesel fuel. At 2000 rpm the maximum pressure of all tested fuels were relatively same. The heat released showed a similar trend to that of maximum pressure. The IHP of BD50 was clearly higher than BD25 and diesel fuel at all engine speed. However the BHP of BD50 was slightly higher than BD25 and diesel fuel. The indicated mean effective pressure of all tested fuels showed the obvious difference with BD50 had highest IMEP, followed by BD25 and diesel fuel. From the emission measurement, it is shown that the emission characteristics of exhaust gas is strongly affected by the blending ratio of diesel and bio-diesel.
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