超市消防數(shù)值模擬分析與研究
[Abstract]:With the development of economy and the improvement of people's quality of life, China has developed into a consumer market with great potential. Supermarket has been welcomed by the people because of its unique marketing and building space, which caters to the modern life rhythm and psychological needs. With the expansion of supermarket operation scale, the frequency of supermarket fire is more and more high, and the casualties and economic losses are becoming more and more serious. At present, there are few researches on fire safety of supermarkets in our country. Based on this, the numerical simulation method is used to simulate and analyze the fire safety situation of specific supermarkets. Firstly, the present situation of fire protection facilities, fuel quantity and holiday passenger flow in Wal-Mart supermarket of Xi'an Road are analyzed. According to the typical fire cases at home and abroad, the fire hazards and characteristics of supermarket buildings are analyzed, and the fire growth model, fire load density, maximum heat release rate and the number and characteristics of people in supermarket are determined. The physical model of supermarket fire is established by using Pyrosim modeling software. According to the fire simulation condition of supermarket building, the change of smoke temperature, visibility and smoke layer height are simulated by using FDS software, and the dangerous time of supermarket is obtained. Compared with the Evac evacuation software, the evacuation time must be safe, and the current evacuation facilities in the supermarket meet the requirements. On this basis, from the aspect of the management of combustible matter in the supermarket, the maximum fire load density of Wal-Mart supermarket under the condition of ensuring safety is studied, which provides reference for the shelf placement and area size of the supermarket; at the same time, From the aspect of supermarket personnel management, according to the characteristics of personnel behavior, the maximum customer capacity of the supermarket is determined, which provides the basis for the management of supermarket customer capacity. Finally, from the point of view of supermarket design, the fire-proof partition of the supermarket is redesigned. On the premise of ensuring fire safety, the number and area of fire prevention zone and evacuation exit location of the supermarket are improved by simulation. The improved design reduces a fire-proof zone and increases the supermarket area.
【學位授予單位】:大連交通大學
【學位級別】:碩士
【學位授予年份】:2015
【分類號】:TU998.1
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