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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학위논문
- 저자정보
- 지도교수
- 김홍집
- 발행연도
- 2016
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이 논문의 연구 히스토리 (6)
2018
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초록· 키워드
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This study was performed to investigate the characteristics of nano-particles from vehicles equipped with gasoline direct injection type according to changing components in gasoline fuels. The emissions including nano-particles were measured from chassis dynamometer with Federal Test Procedure-75(FTP-75 mode) and Highway Fuel Economy Driving Schedule(HWFET mode). Total particle number was measured for CPC satisfying with EURO 6 regulation and nano-particle size distribution was measured from EEPS for TSI. Sampling for measuring nano-particles was from CVS tunnel.
The test fuels were classified into two groups. One has three fuels which contain different oxygen content from 0 wt % to 2.3 wt %. another has two fuels which contain different aromatic hydrocarbon content from 5.9 vol % to 8.5 vol % and have same level of octane number(research method). Methyl tert-butyl ether(MTBE) was used as the oxygen booster.
The experiment results demonstrated that increases of oxygen content in gasoline fuels reduced and also decreases of aromatic hydrocarbon content reduced total particle number. When analyzing effects of oxygen and aromatic hydrocarbon content on total particle number, it was verified that reducing aromatic hydrocarbon content was more effective than increasing oxygen content to decrease total particle number.
In particle size distribution, emitted particle number of accumulation mode was more decreased than that of nucleation mode with decreasing aromatic hydrocarbon content. Finally, when the content of aromatic hydrocarbons are reduced, the reduction of the entire number of the particles is due to the results of the decrease in the accumulation mode.
The test fuels were classified into two groups. One has three fuels which contain different oxygen content from 0 wt % to 2.3 wt %. another has two fuels which contain different aromatic hydrocarbon content from 5.9 vol % to 8.5 vol % and have same level of octane number(research method). Methyl tert-butyl ether(MTBE) was used as the oxygen booster.
The experiment results demonstrated that increases of oxygen content in gasoline fuels reduced and also decreases of aromatic hydrocarbon content reduced total particle number. When analyzing effects of oxygen and aromatic hydrocarbon content on total particle number, it was verified that reducing aromatic hydrocarbon content was more effective than increasing oxygen content to decrease total particle number.
In particle size distribution, emitted particle number of accumulation mode was more decreased than that of nucleation mode with decreasing aromatic hydrocarbon content. Finally, when the content of aromatic hydrocarbons are reduced, the reduction of the entire number of the particles is due to the results of the decrease in the accumulation mode.
목차
Ⅰ. 서론 1Ⅰ-1. 연구배경 1Ⅰ-2. 연구목적 3Ⅱ. 연구동향 및 이론 5Ⅱ-1. 입자상물질(Particulate matter, PM) 5Ⅱ-2. 휘발유 구성성분과 옥탄가 8Ⅱ-3. 휘발유 구성성분과 배출가스 11Ⅲ. 실험장치 및 방법 13Ⅲ-1. 실험용 연료 13Ⅲ-2. 실험장치 15Ⅲ-2-1. 차대동력계(Chassis dynamometer) 15Ⅲ-2-2. 배출가스 분석기 17Ⅲ-2-3. 미세입자 측정장치 18Ⅲ-2-4. 연료 분석항목 및 실험방법 21Ⅲ-3. 실험용 차량 22Ⅲ-4. 실험방법 및 절차 23Ⅲ-5. 통계적 분석기법 27Ⅳ. 연구결과 및 고찰 29Ⅳ-1. 실험용 연료 분석결과 29Ⅳ-1-1. 구성성분 분석결과 29Ⅳ-1-2. 연료물성 분석결과 40Ⅳ-2. 배출가스 실험결과 43Ⅳ-2-1. 미세입자(Nanoparticles) 43Ⅳ-2-2. 가스상물질(CO, HC, NOx, CO2) 69Ⅳ-2-3. 연비(Fuel economy) 94Ⅴ. 결론 101참고문헌 105Abstract 107
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