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자료유형
학술저널
저자정보
저널정보
한국자동차공학회 International journal of automotive technology International journal of automotive technology Vol.4 No.1
발행연도
2003.3
수록면
9 - 19 (11page)

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초록· 키워드

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Exhaust emissions were characterized for a fleet of 10 alternative-fuel vehicles (AFVs) including 5 compressed natural gas (CNG) vehicles, 3 liquefied petroleum gas (LPG) vehicles and 2 85% methano1/15% Califrnia Phase 2 gasoline (M85) vehicles. In addition to the standard regulated emissions and detailed speciation of organic gas compounds. Fourier Transform Infrared Spectroscopy (FTIR) was used to measure ammonia (NH₃) and nitrous oxide (N₂O) emissions. NH₃ emissions averaged 0.124 g/mi for the vehicle fleet with a range from <0.004 to 0.540 g/mi. N₂O emissions averaged 0.022 g/mi over the vehicle fleet with range from <0.002 to 0.077 g/mi. Modal emissions showed that both NH₃ and N₂O emissions began during catalyst light-off and continued as the catalyst reached its operating temperature. N₂O emissions primarily were farmed during the initial stages of catalyst light-off. Detailed speciation measurements showed that the principal component of the fuel was also the primary organic gas species found in the exhaust. In particular, methane. propane and methanol composed on average 93%. 79%. and 75% of the organic gas emissions. respectively. for the CNG. LPG. and M85 vehicles.

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ABSTRACT

1.INTRODUCTION

2.EXPERIMENTAL PROCEDURES

3.EMISSIONS TEST RESULTS

4.SUMMARY AND CONCLUSIONS

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