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승용CRDi용 3세대 피에조 인젝터 유압해석모델 개발 및 검증
- Issue Date
- 2013
- Publisher
- 한국자동차공학회
- Keywords
- Bypass-circuit(바이패스 회로); Piezo-driven injector(피에조 인젝터); CRDi(커먼레일 직접분사); Piezo indirect acting system(피에조 간접 작동시스템); Internal hydraulic modeling(내부 유압 모델링); Inverse piezo-electric effect(역압전효과); AMESim simulation code(AMESim 해석코드)
- Citation
- 한국자동차공학회 논문집, v.21, no.4, pp.181 - 187
- Journal Title
- 한국자동차공학회 논문집
- Volume
- 21
- Number
- 4
- Start Page
- 181
- End Page
- 187
- ISSN
- 1225-6382
- Abstract
- Performance of DI diesel engine with high fuel injection method is directly related to its emission characteristics and fuel consumption. In this study, numerical model of 3rd generation piezo-driven injector was designed to analyze the hydraulic performance. Also the injection response characteristics was investigated by using the AMESim simulation code. From this study, it was shown that 3rd generation piezo-driven injector had a faster response and had better control capability due to its hydraulic bypass-circuit that has potential to higher hydraulic characteristics and improved accuracy of injected fuel quantity.
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Related Researcher
- Lee, Jin wook
- College of Engineering (School of Mechanical Engineering)