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학술저널
저자정보
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한국자동차공학회 International journal of automotive technology International journal of automotive technology Vol.7 No.3
발행연도
2006.5
수록면
227 - 234 (8page)

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Limited and nonlimited emissions of scooters were analysed during several annual research programs of the Swiss Agency of Environment Forests and Landscape (SAEFL, BUWAL). Small scooters, which are very much used in the congested centers of several cities are a remarkable source of air pollution. Therefore every effort to reduce the emissions is an important contribution to improve the air quality in urban centers. In the present work detailed investigations of particle emissions of different 2-stroke scooters with direct injection and with carburetor were performed. The nanoparticulate emissions with different lube oils and fuels were measured by means of SMPS, (CPC) and NanoMet. Also the particle mass emission (PM) was measured with the same method as for Diesel engines. It can be stated, that the oil and fuel quality have a considerable influence on the particle emissions, which are mainly oil condensates. The engine technology influences the (nano)particle emissions by: mixture preparation, mixture tuning, oil consumption, postoxidation, quality, condition and temperature of the catalyst. Since the particulate emission of the 2-S consists mainly of lube oil condensates the minimization of oil consumption stays always an important goal.

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ABSTRACT
1. INTRODUCTION AND OBJECTIVES
2. INVESTIGATED SCOOTERS
3. PARTICLE SIZE ANALYSIS AND MEASURING SET-UP
4. MEASURING PROCEDURES AND OILS
5. RESULTS
6. CONCLUSIONS
ACKNOWLEDGEMENT
REFERENCES

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