A study on the characteristics of spray and combustion in a HCCI engine according to various injection angles and timings
- Authors
- Kim, Hyungmin; Ryu, Jeaduk; Lee, Kihyung
- Issue Date
- Jan-2007
- Publisher
- KOREAN SOC MECHANICAL ENGINEERS
- Keywords
- Homogeneous Charge Compression Ignition engine; emission; IMEP; injection angle; injection timing
- Citation
- JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY, v.21, no.1, pp.133 - 140
- Indexed
- SCIE
SCOPUS
KCI
- Journal Title
- JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY
- Volume
- 21
- Number
- 1
- Start Page
- 133
- End Page
- 140
- URI
- https://scholarworks.bwise.kr/erica/handle/2021.sw.erica/43921
- DOI
- 10.1007/BF03161719
- ISSN
- 1738-494X
- Abstract
- Premixed diesel engines have the potential to achieve a more homogeneous, leaner mixture near TDC compared to conventional diesel engines. Early studies have shown that the fuel injection timing and injection angle affect the mixture formation in a HCCI (Homogeneous Charge Compression Ignition) engine. Therefore in this study, we investigated the relationship between combustion and mixture formations accordance with injection conditions in a common rail direct injection type HCCI engine using an early injection strategy. From this results, we found that the fuel injection timing and injection angle affect the mixture formation and in turn affect combustion in the HCCI engine. In addition, this study revealed that the injection angle of 100 degrees is effective to reduce smoke emission without any sacrificing power in the early injection case.
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