외부자연풍이 종류식 도로터널의 환기특성에 미치는 영향에 대한 연구

초록

In this study, the experiment for scale model of tunnel and the three-dimensional numerical simulation forreal tunnel were performed to analyze the effect of natural wind on the resistance of ventilation in accordancewith tunnel conditions (length, gradient and form of pit-head). The validity of the numerical simulation methodwas verified by the experiment of scale model. The three-dimensional numerical simulation for real tunnel ledto the result that the average air velocity in tunnel was changed by length, gradient, form of pit-head. Therefore, the design standard for average air velocity in tunnel by natural wind has to be revised. At thedesign of tunnel ventilation, it is considered that it has to be applied to the purpose in accordance with tunnelcondition.

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