지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2012.1
- 수록면
- 158 - 163 (6page)
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초록· 키워드
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This paper presents spray characteristics of piezo-driven type common-rail injector and comparisons to those of solenoid-driven type. Experiments were conducted to measure spray penetraion and SMD distributions using a spray visualization system and PDPA (phase Doppler particle analyzer) system. Injection conditions including injection pressure and energizing durations were varied in order to analyzing effects of injection conditions on spray characteristics. Furthermore, ambient pressures were increased for keeping ambient gas density close to in-cylinder pressure of diesel engine. Results showed that injection delay of piezo-driven type injector was much shorter than those of solenoid driven type and exhibited enhanced atomization performances.
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