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연료분무 및 연소 2 : 기계식 및 커먼레일식 디젤 인젝터의 연료 분무특성 비교
박쥰규 ( Jun Kyu Park ),이상훈 ( Sang Hoon Lee ),송진근 ( Jin Geun Song ),노현구 ( Hyun Gu Roh ),박성욱 ( Sung Wook Park ) 한국액체미립화학회 2012 한국액체미립화학회 학술강연회 논문집 Vol.2012 No.-
The purpose of this study is understanding spray characteristic of mechanical and common-rail injector. Because many parts of decrepit diesel engines are dumped even though they could be used by remanufacturing process, researches about remanufacturing engine go on recently. Especially, Fuel injection system of used mechanical diesel engine needs to be improved by applying common-rail system. Because of these reasons, comparisons of mechanical and common-rail injection characteristic should be investigated. In this study, it was revealed that spray development of common-rail injector is faster than that of mechanical injector based on same injection quantity and common-rail injector has an advantage of various injection condition because injection conditions such as injection pressure, energizing time are controlled dependently in common-rail system. Furthermore, contrary to mechanical system, injection rate could be adjusted by changing injection pressure and energizing time.