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2단 분사가 가솔린 직분사 엔진에서 혼합기 형성에 미치는 영향에 관한 수치적 연구Numerical Study on the Effect of Double Injection on Mixture Formation Characteristics in Gasoline Direct Injection Engine
- Other Titles
- Numerical Study on the Effect of Double Injection on Mixture Formation Characteristics in Gasoline Direct Injection Engine
- Issue Date
- Sep-2014
- Publisher
- 한국분무공학회
- Keywords
- Gasoline Direct Injection; 가솔린 직분사; Inhomogeneity; 비균질도; Mixture Formation; 혼합기 형성; Turbulence; 난류
- Citation
- 한국액체미립화학회 학술발표논문집, v.2014, no.0, pp.62 - 63
- Indexed
- OTHER
- Journal Title
- 한국액체미립화학회 학술발표논문집
- Volume
- 2014
- Number
- 0
- Start Page
- 62
- End Page
- 63
- Abstract
- Turbulence is the key factor to determine combustion characteristics in a Spark Ignition engine. In order to increase turbulent intensity, double injection strategy was adopted in this study. First and second injection timings were adjusted to investigate turbulent and mixture formation characteristics. It was revealed that late injection increases turbulent kinetic energy while shows poor fuel-air mixing. Furthermore, turbulent kinetic energy was increased in case of late injection. However, inhomogeneity index was also increased due to not enough fuel-air mixing time.
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Related Researcher
- Park, Sungwook
- COLLEGE OF ENGINEERING (SCHOOL OF MECHANICAL ENGINEERING)