DOI QR코드

DOI QR Code

전산유체해석을 통한 RE엔진 흡기포트의 개발

Development of Intake Port for Range Extender Engine Using CFD Simulation

  • 김창수 (공주대학교 일반대학원 기계공학과) ;
  • 박성영 (공주대학교 그린카기술연구소)
  • Kim, Chang-Su (Mechanical Engineering Dept., Graduate School, Kongju National University) ;
  • Park, Sung-Young (Research Institute of Green-Car Technology, Kongju National University)
  • 투고 : 2013.02.12
  • 심사 : 2013.06.07
  • 발행 : 2013.06.30

초록

본 논문에서는 RE엔진에 적용하기위한 흡기포트를 CFD 기술을 활용하여 개발하였다. 3차원 모델링을 진행하고 전산유체해석을 진행하였으며, 계산된 유량계수와 스월계수를 실험결과와 비교 분석하였다. 흡기포트의 convex 및 concave부 곡률을 최적화하여 Recirculation의 발생과 유동저항을 저감하였다. 결과적으로, 계산된 평균 유량계수는 0.383이고, 평균 스월수는 1.544로 일반적인 2밸브 엔진 시스템의 평균성능에 상회하는 우수한 성능을 나타내었다.

An intake port for Range Extender engine has been developed using CFD technique. Three dimensional intake port model has been built and computational analysis has been performed. Computed non-dimensional flow coefficient, swirl ratio and swirl number have been compared with the experimental result. Convex and concave curvature of the intake port have been optimized to reduce recirculation flow and flow resistance. Finally, the mean flow coefficient is 0.383 and the mean swirl number is 1.544. The intake port shows relatively excellent performance compared with those of general 2 valve engine system intake ports.

키워드

참고문헌

  1. S. J. Lee, S. C. Kim, D. S. Kim, I. Y. Ohm, Y. S. Cho, "Numerical analysis of flow characteristics with intake port and valve design", KSME 01F29B, pp.921-927, 2001.
  2. W. G. Kang, C. H. Lee, D. S. Kim, Y. S. Cho, "Correlation of Flow Characteristics and Flow Coefficient with Intake Port Design", KSAE 04-F0012, pp.70-76, 2004.
  3. B. H. Lee, Y. J. Chang, C. H. Jeon, "A Numerical Study on the Characteristics of Tumble and Internal Flow According to Intake Port for Marine Engine", KOSME, pp.498-505, 2008. https://doi.org/10.5916/jkosme.2008.32.4.498
  4. D. S. Kim, Y. J. Yoo, I. S. Shin, S. H. Hwang, Y. S. Cho, "Relation between flow coefficient and intake design through computational flow analysis", KSAE03-S0005, pp.27-32, 2003.
  5. Y. S. Park, D. S. Choi, J. H. Lee, P. W. Shin, S. Y. Park, "Performance Development of 400cc Small Engine Intake Port", Journal of KAIS, Vol. 13, No. 3, pp. 977-985, 2012. https://doi.org/10.5762/KAIS.2012.13.3.977
  6. C. G. Park, H. K. Park, M. T. Lim, "Numerical Analysis of the Flow characteristics in Intake-Port Piston Head Configurations in a Gasoline Direct-Injection Engine", KSCFE 4-5 pp.21-27, 1999.
  7. CD-adapco, "Star-CCM+ V5 User's Manual", 2010.
  8. H. S. Kwon, H. Y. Choi, K. D. Min, J. W. Son, W. T. Kim, "A CFD Analysis on the Flow Characteristics of Engine Exhaust Port", KSAE04-S0030, pp.186-191, 2004.
  9. J. W. Son, S. H. Lee, B. H. Han, W. T. Kim, "A Correlation between Re- Defined Design Parameters and Flow Coefficients of SI Engine Intake Ports", SAE Paper No. 2004-01-0998, 2004.
  10. S. W. Kwak, K. W. Yi, "Steady State Flow CFD Analysis of the Intake Port in Euro-3 Diesel Engine", KSAE06-F0065, pp.423-428, 2006.
  11. C. H. Lee, J. H. Lee, D. S. Kim, Y. S. Cho, "Numerical Analysis of Flow Coefficient and Swirl Flow Characteristics with Intake Port Design Parameters", KSAE05-S0029, pp.184-190, 2005.
  12. Performance Trends Inc., "Engine Analyzer for Windows", 2008.
  13. Performance Trends Inc., "SF-110/120FC Flow bench Operator's Manual", 2008.