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LIVC 적용 밀러사이클 스파크점화기관의 유동특성 연구
A Study on Flow Characteristics of Spark-Ignited Engine with Variable Intake Valve Closing Timing for Miller Cycle
- 정진호;
- 강선제;
- 김진수;
- 정석철;
- 이진욱
초록
In this study, to research in-cylinder flow characteristics of spark-ignited engine with intake valve closing timing change for Miller cycle. 3D simulation study were used 6 different intake valve profile with CAD10° gap for retard intake valve closing timing. Comparison of In-cylinder flow pattern characteristic were accompanied between Base and LIVC. And the efficiency of volume and the work of compression were analyzed with simulation study. When intake valve closing angle was retarded in CAD50°, the pressure in cylinder was decreased about 12~13 bar and volume efficiency was reduced about 16%. The efficiency of volume and the work of compression were reduced on LIVC.
키워드
Miller cycle(밀러 사이클); Atkinson cycle(앳트킨슨 사이클); Variable valve timing(가변밸브 개폐시기); Intake valve closing angle(흡기밸브 닫힘각)
- 제목
- LIVC 적용 밀러사이클 스파크점화기관의 유동특성 연구
- 제목 (타언어)
- A Study on Flow Characteristics of Spark-Ignited Engine with Variable Intake Valve Closing Timing for Miller Cycle
- 저자
- 정진호; 강선제; 김진수; 정석철; 이진욱
- 발행일
- 2016-03
- 저널명
- 한국액체미립화 학회지
- 권
- 21
- 호
- 1
- 페이지
- 7 ~ 12