한국전산유체공학회지 (Journal of computational fluids engineering)

한국전산유체공학회 (Korean Society of Computational Fluids Engineering)
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고속열차의 지하정거장 통과 시 발생하는 공기역학적 영향에 대한 전산유체해석 연구

A STUDY ON THE AERODYNAMIC EFFECTS WHEN A HIGH-SPEED TRAIN PASSING THROUGH AN UNDERGROUND STATION USING COMPUTATIONAL FLUID DYNAMICS

  • 임광만 (한국교통대학교 교통대학원) ;
  • 김영매 (한국교통대학교 교통대학원) ;
  • 방명석 (한국교통대학교 교통대학원) ;
  • 권혁빈 (한국교통대학교 교통대학원)
  • Lim, K.M. (Dept. of Transportation System Engineering, Korea National University of Transportation) ;
  • Kim, Y.M. (Dept. of Transportation System Engineering, Korea National University of Transportation) ;
  • Bang, M.S. (Dept. of Transportation System Engineering, Korea National University of Transportation) ;
  • Kwon, H.B. (Dept. of Transportation System Engineering, Korea National University of Transportation)
  • 투고 : 2016.11.02
  • 심사 : 2016.11.17
  • 발행 : 2016.12.31
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초록

Dong-tan Station, shared by high-speed railway and urban express railway, is a very complicated underground station having 6 tracks together with barrier and shafts between them, therefore it seems very hard to investigate the aerodynamic effects including the pressure variation and train gust in the station when a high-speed train runs through it. In this study, the aerodynamic effects on the structures and platform passengers when a high-speed train runs through an underground station have been studied using Computational Fluid Dynamics. STAR-CCM+ has been employed for numerical simulation based on Navier-Stokes equation and 2-equation turbulence model and moving mesh scheme supported by STAR-CCM+ has also been used to represent the relative motion between a train and station. Based on the simulation results, the unsteady flow fields in the underground station induced by the high-speed train have been analyzed and the pressures on the PSDs and pressure variation at the platform have quantitatively assessed.

키워드

참고문헌

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