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자료유형
학술저널
저자정보
저널정보
한국자동차공학회 한국자동차공학회논문집 한국자동차공학회논문집 제15권 제3호
발행연도
2007.5
수록면
153 - 159 (7page)

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초록· 키워드

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Nano-Particles are influenced on the environmental protection and human health. The relationships between transient vehicle operation and nano-particle emissions are not well-known, especially for diesel passenger vehicles with DPF. In this study, a diesel passenger vehicle was measured on condition of DPF regeneration and no regeneration on a chassis dynamometer test bench. The particulate matter (PM) emission from this vehicle was measured by its number, size and mass measurement. The mass of the total PM was evaluated with the standard gravimetric measurement method while the total number and size concentrations were measured on a NEDC driving cycle using Condensation Particle Counter (CPC) and EEPS. Total number concentration by CPC was 1.5×10<SUP>11</SUP>N/㎞, which was 20% of result by EEPS. This means about 80% of total particle emission is consist of volatile and small-sized particles(<22㎚). During regeneration, particle emission was 6.2×10<SUP>12</SUP>N/㎞, was emitted 400 times compared with the emission before regeneration. As for the particle size of 22~100㎚ was emitted mainly, showing peak value of near 40㎚ in size. This means regeneration decreased the mean size of particles. Regarding regeneration, PM showed no change while the particle number showed about 6 times difference between before and after regeneration. It seems that the regeneration influences on particle number emissions are related to DPF-fill state and filtration efficiency.

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Abstract
1. 서론
2. 시험장치 및 방법
3. 연구결과 및 고찰
4. 결론
References

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