3중분사가 HSDI 디젤엔진의 성능과 배기에 미치는 영향The Effect of Triple Injection on Engine Performance and Emissions in a HSDI Diesel Engine

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The effects of triple (pilot, main and after) injection on combustion and emission characteristics in a HSDI (High-Speed Direct Injection) diesel engine were investigated using a single-cylinder optical diesel engine equipped with a common-rail injection system. The pilot injection affected the spray and combustion evolution of the following main injection. It was found that the pilot injection reduced the ignition delay, which led to lowered NOx (Nitric Oxides) level, and increased IMEP (Indicated Mean Effective Pressure) due to slow combustion pace during an expansion stroke. The after-injection was shown to be effective in reducing PM (Particulate Matter) even when a small amount of fuel was added. The results suggest that a proper combination of individual injection strategy could bring about a good synergetic effect on engine performance and emission.
Publisher
한국자동차공학회
Issue Date
2004-09
Language
Korean
Citation

한국자동차공학회 논문집, v.12, no.5, pp.40 - 57

ISSN
1225-6382
URI
http://hdl.handle.net/10203/15760
Appears in Collection
ME-Journal Papers(저널논문)
Files in This Item
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