以 FDS 模擬分析火災延燒

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以 FDS 模拟分析火灾延烧

Using Fire Dynamics Simulator to Simulate Fire Spread

卢以霖 , 硕士　　导师：陈俊勳　　

英文

火灾模拟软体FDS ；延烧； PU 发泡棉； PVC 塑胶； FDS ； Fire Spreading ； PU Foam ； PVC Plastic

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摘要 │ 参考文献 (25) │ 国际计量

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In the past, many researchers and performance-based designs used FDS (Fire Dynamics Simulator) to simulate and investigate the smoke movement in the large scale or complex architecture/constructions. In such case, the designed fire is the only source of heat release rate. However, in many fire incidents, the heat release rate usually is greatly enhanced by fire spread over the combustible materials, especially the wall decoration. When a fire occurs incidentally in a compartment, it can grow by means of the heat transfer (conduction, convection and radiation) to pyrolyze the other surrounding combustibles to generate more fuel vapors to feedback into the fire to let it become stronger and capable of further wider spreading. The cycle repeats continuously. Even if the air in the compartment is depleted or lowered to a certain limit, the resultant high temperature still keeps on the pyrolysis action. Once an opening happens to let air flow into the space, it leads to flashover. During the process, wall decoration plays the major role for fire spreading in addition to the furniture and electrical appliances in the space. If the corresponding material is flammable and combustible, then it can contribute to severe fire spread, especially the vertical wall surfaces.
The parametric study is given by using 4 different wall decoration materials (PU Foam, White pine, PVC and Douglas fir) to investigate the corresponding flame spreads in a fire compartment. PU Foam is found easy to be ignited and the spreading fire behavior is the worst one. Inside the room, PU Foam walls are almost burnout at the end of simulation and it causes severe damage. In the meantime, sofas made by PU foam are ignited easily and burned fiercely as well.

参考文献 ( 25 ) 〈TOP〉

[2]. Q. F. Xu , Lingzhu Chen, Kent A. Harries, Fuwen Zhang, Qiong Liu and Jinghui Feng, “Combustion and charring properties of five common constructional wood species from cone calorimeter tests” Construction and Building Materials, pp416-427, 2015
连结：
[3]. Y. Zhang, J.H. Sun, X.J. Huang and X.F. Chen,“ Heat transfer mechanisms in horizontal flame spread over wood and extruded polystyrene surfaces” International Journal of Heat and Mass Transfer, pp28-34, 2013
连结：
[4]. M. J. Tsai, Wei Dong Hsieh, “Validations on the fire-proof performance of architecture―the study of the time of the fire continuance”, Ministry of the Interior Research Project Report, June 2012.
连结：
[11]. A. C. Y. Yuen, G.H. Yeoh, R. Alexander, M. Cook, “Fire scene reconstruction of a furnished compartment room in a house fire”, Case Studies in Fire Safety, pp29-35,2014
连结：
[15]. S. B. Shu, Yew Khoy Chuah, Chih-Ji Lin, “A study on the spread of fire caused by the stack effects of patio—A computer modeling and a reconstruction of a fire scenario”, Building Simulation, June 2012.
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引用含有DOI的文献

DOI可强化引用精确性、增强学术圈连结，并给予使用者跨平台的良好使用经验，目前在全世界已有超过五千万个对象申请DOI。 如想对DOI的使用与概念有进一步了解，请参考 （ ） 。

DOI可强化引用精确性、增强学术圈连结，并给予使用者跨平台的良好使用经验，目前在全世界已有超过五千万个对象申请DOI。如想对DOI的使用与概念有进一步了解，请参考（）。