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논문 기본 정보

자료유형
학술대회자료
저자정보
김재덕 (전북대학교) 송규근 (전북대학교) 정재연 (전북대학교) 진뢰 (전북대학교) 성욱곤 (전북대학교)
저널정보
한국자동차공학회 한국자동차공학회 추계학술대회 및 전시회 2012년 한국자동차공학회 학술대회 및 전시회
발행연도
2012.11
수록면
451 - 455 (5page)

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초록· 키워드

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With the development of global automobile industry, the pollution caused by automobile exhaust gas has become more and more serious, especially NOx pollution. During these years, the government recognizes the problem and legislates to limit the exhaust emission. As the main power source of vehicle, the question how to purify NOx emission for diesel engine has become one of the hotspots. Now, technology of EGR is known as the effective method to purify NOx emission, which is available for diesel engine. diesel engine are introduced in this article. The mechanism of nitrogen oxides formation and how the EGR can reduce the NOx emission are studied, and we have done the test experiment of the diesel engine, The main contents includes: Adapting to the requirement of the emission legislation, an EGR system was applied to a diesel engine to reduce NOx emission. The effects of different EGR rate on the emissions and performances of the engine were investigated by the engine test, in which the EGR rates of different engine mode will be optimized based. The results showed that EGR can reduce NOx emission of this diesel engine significantly under various operation conditions, but it will have negative influence on smoke, the effective torque and the effective specific fuel consumption with the increasing of EGR rates. So there will be an optimum working state of EGR rates under various operation conditions. Through the optimum emission test for EGR, it proves that the optimized EGR strategy can reduce the NOx emission efficiently and limit the negative influence on other emission and the performance of engine.

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Abstract
1. 서론
2. 실험장치 및 방법
3. 실험결과 및 고찰
4. 결론
References

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UCI(KEPA) : I410-ECN-0101-2014-556-000418111