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通过对火灾时烟气发生量及烟气流场的分析，建立了舞台空气幕计算的数学模型并求数值解。提出利用空气幕控制火灾烟气扩散的方法，以达到安全疏散观众的目的。
Through the analysis of the amount of flue gas and the flow field of flue gas in the fire, a mathematic model of the calculation of the stage air curtain was established and the numerical solution was obtained. Proposed the use of air curtain to control the spread of fire smoke in order to achieve the purpose of safety evacuation of the audience.