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흡기 가열을 이용한 가솔린 압축착화 엔진의 연소 및 배기 배출물 특성

Title
흡기 가열을 이용한 가솔린 압축착화 엔진의 연소 및 배기 배출물 특성
Other Titles
Combustion and exhaust emission characteristics of gasoline compression ignition engine
Author
박성욱
Keywords
가솔린압축착화엔진; 흡기 가열; 연소 특성; 배기 특성; 연료 자착화; Gasoline compression ignition engine; Intake air preheating; Combustion characteristic; Exhaust emission characteristics; auto ignition
Issue Date
2011-11
Publisher
한국자동차공학회
Citation
한국자동차공학회 학술대회 및 전시회,Vol.2011 No.11 [2011],202-205(4쪽)
Abstract
The purpose of this paper is to investigate combustion and exhaust emission characteristics in gasoline compression ignition engine. Using gasoline fuel means merit in high volatility and low cetane number. This characteristics easily promote air-fuel mixing ratio in comparison with diesel fuel. Reaching gasoline auto-ignition region set a intake preheating system and it applies heat to cylinder. High temperature of intake air and high pressure injected of gasoline fuel were combined and then release heat and work.Experiments were performed at single cylinder compression ignition engine at 17.8:1 compression ratio and 1200rpm engine speed. Pressure sensor with glow plug type was acquired pressure data of each cycle and to obtain exhaust emission characteristics used soot measurement device and exhaust emission analyser. Results of combustion characteristics is showed that high pressure ratio by gasoline fuel multiple auto ignition. Exhaust emission characteristics become low NOx and high HC in decrease of temperature. It understood that low intake temperature interrupts auto ignition of gasoline fuel so that combustion could be done.
URI
http://www.dbpia.co.kr/Journal/ArticleDetail/NODE01762181http://hdl.handle.net/20.500.11754/54451
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > MECHANICAL ENGINEERING(기계공학부) > Articles
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