淡江大學機構典藏:Item 987654321/46019
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    题名: Numerical Simulations of Fires in Long Vehicle Tunnels
    其它题名: 長隧道火災之數值模擬
    作者: 陳慶祥;Chen, Ching-shung
    贡献者: 淡江大學航空太空工程學系
    关键词: 長隧道;火災;數值模擬 Fire;Tunnel;Numerical simulation
    日期: 1998-07-01
    上传时间: 2013-03-20 16:33:57 (UTC+8)
    出版者: 臺北縣:淡江大學
    摘要: The study of tunnel fires is important in the design of long
    vehicle tunnels in terms of fire management system, emergency exit,
    and ventilation system. The physical behavior of tunnel fires can be
    investigated experimentally or numerically. The difficulty of
    experimental study is that a reduced-scale test cannot imitate the
    characteristics of a full-scale fire due to their different turbulent scales.
    Therefore, most fire tests have been conducted in full-scale tunnels.
    This is costly and time consuming. Numerical simulation aided by
    full-scale test is the pragmatic approach in the investigation of this
    problem.
    However, a real fire in long tunnels resulting from the burning of
    a car or a truck is extremely complex and very difficult to simulate.
    This is because a vehicle consists of many different materials and the
    burning process involves many complex chemical reactions. In order
    to reduce considerably the complexities of simulations, the fire is
    treated as a predetermined heat source in the present study. A finite
    difference method, which solves the unsteady, compressible,
    three-dimensional Navier-Stokes equations and the energy equation,
    is employed to simulate this physical problem. The comparison of
    numerical results with experimental data demonstrates that the
    proposed method can be an effective engineering tool when dealing
    with fires in the design of long vehicle tunnels.
    關聯: Tamkang Journal of Science and Engineering=淡江理工學刊 1(1), pp.49-59
    DOI: 10.6180/jase.1998.1.1.06
    显示于类别:[航空太空工程學系暨研究所] 期刊論文

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