The KSFM Journal of Fluid Machinery (한국유체기계학회 논문집)

Korean Society for Fluid machinery (한국유체기계학회)
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Numerical Optimization for Performance Improvement of a Tunnel Ventilation Jet fan

터널 환기용 제트홴의 성능 향상을 위한 수치최적화

  • 김준형 (한양대학교 대학원 기계공학과/ 한국생산기술연구원) ;
  • 김진혁 (인하대학교 대학원 기계공학과) ;
  • 김광용 (인하대학교 기계공학부) ;
  • 윤준용 (한양대학교 기계공학부) ;
  • 최영석 (한국생산기술연구원 그린에너지설비센터) ;
  • 양상호 ((주)삼원이앤비)
  • Received : 2011.04.22
  • Accepted : 2011.06.16
  • Published : 2011.11.01
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Abstract

This paper presents an optimization procedure for performance improvement of a tunnel ventilation jet fan. Optimization techniques based on response surface approximation (RSA) are employed to improve the aerodynamic performance of a tunnel ventilation jet fan. For numerical analysis, three-dimensional Renolds- averaged Navier-Stokes (RANS) equations with shear stress transport turbulence model are discretized by using finite volume approximations and solved on hexahedral grids to evaluate the total efficiency at the operating condition as the objective function. Four geometric variables defining the meridional length and the thickness profile at the hub and shroud in the jet fan rotor are selected as design variables for the numerical optimization. The results of the numerical optimization show that the total efficiency of the optimized model is significantly improved in comparison with the base model.

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References

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