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SECFR 시스템의 차량적용을 위한 분무균일도향상에 관한 연구A Study for Improving Spray Uniformity of the SECFR System for Vehicle Applications
- Other Titles
- A Study for Improving Spray Uniformity of the SECFR System for Vehicle Applications
- Issue Date
- Jun-2015
- Publisher
- 한국분무공학회
- Keywords
- 찌꺼기오염물; 증기 수트 제거장치; 액적균일도; 액적분포면적율; Fouling; Steam soot remover; Droplet uniformity index; Droplet area ratio
- Citation
- 한국분무공학회지, v.20, no.2, pp.95 - 100
- Indexed
- KCI
- Journal Title
- 한국분무공학회지
- Volume
- 20
- Number
- 2
- Start Page
- 95
- End Page
- 100
- ISSN
- 1226-2277
- Abstract
- Lower recirculated gas temperature at EGR system reduces NOx and PM emissions. However, EGR Cooler can be polluted by PM generated from recirculated EGR gas, and it reduces cooling efficiency and the amount of EGR gas simultaneously. The SECFR(Steam EGR Cooler Fouling Remover) system which uses the evaporated washer fluid steam caused by high temperature of EGR gas was manufactured for removing fouling generated on the cooler surface. Since an injection pressure of wind shield washer fluid in the vehicle is approximately 0.5 bar, it is not enough to atomize the injected washer fluid. Thus, it is necessary to apply a method to atomize the washer fluid. In this study, the impinging plate was used to promote the atomization of spray washer fluid for the purpose of apply SECFR sys- tem to vehicles and measured the DAR(Droplet Area Ratio) and DUI(Droplet Uniformity Index) through the spray visualization.
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Related Researcher
- LEE, KI HYUNG
- ERICA 공학대학 (DEPARTMENT OF MECHANICAL ENGINEERING)