LIVC 적용 밀러사이클 스파크점화기관의 유동특성 연구
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...
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| Published in | 한국분무공학회지 Vol. 21; no. 1; pp. 7 - 12 |
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| Main Authors | , , , , , , , , , |
| Format | Journal Article |
| Language | Korean |
| Published |
한국분무공학회
31.03.2016
한국액체미립화학회 |
| Subjects | |
| Online Access | Get full text |
| ISSN | 1226-2277 2288-9051 |
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| Abstract | 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. |
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| AbstractList | 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. 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. KCI Citation Count: 0 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 $CAD10^{\circ}$ 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 $CAD50^{\circ}$, 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. |
| Author | J. H. Chung 정진호 김진수 이진욱 S. J. Kang J. S. Kim S. C. Jeong J. W. Lee 강선제 정석철 |
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| DocumentTitleAlternate | LIVC 적용 밀러사이클 스파크점화기관의 유동특성 연구 A Study on Flow Characteristics of Spark-Ignited Engine with Variable Intake Valve Closing Timing for Miller Cycle |
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| PublicationTitle | 한국분무공학회지 |
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| Snippet | In this study, to research in-cylinder flow characteristics of spark-ignited engine with intake valve closing timing change for Miller cycle. 3D simulation... |
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| SubjectTerms | Atkinson cycle Intake valve closing angle Miller cycle Variable valve timing 가변밸브 개폐시기 기계공학 밀러 사이클 앳트킨슨 사이클 흡기밸브 닫힘각 |
| Title | LIVC 적용 밀러사이클 스파크점화기관의 유동특성 연구 |
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| ispartofPNX | 한국액체미립화 학회지, 2016, 21(1), , pp.7-12 |
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