GT-Power 기반 Cam-In-Cam 가변밸브작동에 따른 스월유동 및 연소특성 해석Analysis of Swirl Flow and Combustion Characteristics by Variable Valve's Operation of Cam-In-Cam System based on GT-Power Program
- Other Titles
- Analysis of Swirl Flow and Combustion Characteristics by Variable Valve's Operation of Cam-In-Cam System based on GT-Power Program
- Authors
- 이유민; 조인수; 김주현; 박승우; 이진욱
- Issue Date
- Jun-2018
- Publisher
- 한국액체미립화학회
- Keywords
- Diesel Exhaust Valve(디젤 배기밸브); Cam-in-Cam(캠인캠); Variable Valvetrain(가변 밸브트레인); Valve Open/Closing Timing(밸브개폐시기); Valve Lift(밸브양정)
- Citation
- 한국액체미립화 학회지, v.23, no.2, pp.58 - 65
- Journal Title
- 한국액체미립화 학회지
- Volume
- 23
- Number
- 2
- Start Page
- 58
- End Page
- 65
- URI
- http://scholarworks.bwise.kr/ssu/handle/2018.sw.ssu/31559
- DOI
- 10.15435/JILASSKR.2018.23.2.58
- ISSN
- 1226-2277
- Abstract
- An analytic strategy to control the variable valve actuation applied to two intake valves (flow port intake valve and swirl port intake valve) was performed in this study. we considered the variation in phasing of intake valve profiles by using the Cam-in-Cam technology. The analytic model was implemented in the GT-Power simulation program and analyzed the result of regulated emissions such as, NOx and Soot, especially with IMEP characteristics. Namely, we meticulously investigated the sources of having effect on the amount of NOx and soot formation under the test conditions with retard timing of both flow port and swirl port intake valves for decreasing the opening duration by 35CAD. Also, we analyzed the effect of incylinder pressure and temperature with NOx variations and in-cylinder pressure and temperature on NOx variations and normalized turbulent intensity. Through this analysis, some useful results on the combustion and flow characteristics of the swirl port and flow port control of the intake valve were obtained by this study
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