도로터널 내부 주행 차량의 풍압에 따른 레일형 긴급구난 시스템 안정성 평가에 관한 연구

In this study, the three-dimensional numerical analysis was conducted for a stability assessment of the rail-type emergency rescue system in the road tunnel. The continuity and three-dimensional Reynolds-averaged Navier-Stoke equations were used as governing equations to analyze the flow characteristics around the rail-type rescue system. SST(Shear Stress Transport) turbulence model was used as turbulence closure. The unstructured tetrahedral meshs were used to construct the grid system for the computational domain. The boundary conditions were maintained as the same conditions of the measured data of our previous works. In front of EMM(Emergency Measures and Maintenance) system, the velocity and static pressure were distributed as the value 1~4㎧ and 112~126㎩, respectively.