Unsteady Numerical Simulation on the Ventilation in a Long Rail Tunnel

장대터널내 열차운행시 환기에 대한 비정상 수치해석

  • Hur, Nahm-Keon (Department of Mechanical Engineering, Sogang University) ;
  • Kim, Wook (Department of Mechanical Engineering, Graduate School, Sogang University) ;
  • Kim, Sa-Ryang (Deparment of Precision Mechanical Engineering, Kangnung Nat'l University) ;
  • Cha, Chul-Hyun (Dae-Yang Air Conditioning Co. Ltd.)
  • 허남건 (서강대학교 기계공학과) ;
  • 김욱 (서강대학교 대학원 기계공학과) ;
  • 김사량 (강릉대학교 정밀기계공학과) ;
  • 차철현 ((주)대양공조)
  • Published : 2001.06.01

Abstract

In the present study, the transient axi-symmetric numerical simulation of traffic ventilation induced by a train running through a 15.6km-long tunnel is performed by using over 100,000 computational cells. With train running, three cases of ventilation schemes are simulated, which are the case of ventilation fans turned on, the case of no fan but ventilation shafts open, and the case of no fan and no shaft. Results of the ventilation flow rate are pressure transients are compared for the cases considered.

Keywords

References

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