模拟了火灾场景，并引入准室外空间概念。
Simulates the fire scene and adopts the concept of quasi-outdoor space.
依照不同风向、风速及排烟口面积，设置五个火灾场景。
According to the different wind direction, wind velocity and smoke vent area, five fire scenarios are built.
主要介绍了火灾场景与设计火灾的定义，分析了确定火灾场景的一般方法。
The main purpose is to introduce the concept of fire scenarid and design fire, and the analysis method and factors that would be taken into account generally when develop fire scenarios.
在总体阐述的基础上，结合某购物广场火灾场景设定的算例对该方法的原则和步骤进行分析。
Based on the general expatiation, the principle and process of this approach were discussed, combined with an example for designing fire scenario of a certain shopping mall.
为此，本文还建立了一个简单的模型，试图得到在这种火灾场景下，对细水雾灭火的临界动量要求。
Then a brief model is proposed to obtain the critical spray momentum demand in the given fire scenario.
火灾场景的设置是性能化设计的关键步骤，它对烟气运动，人员疏散的计算和建筑财产保护有重要的影响。
Fire design is a key step in performance-based design, it has great influence on smoke movement calculation, evacuation calculation and property protection.
本文采用数值方法对某大型体育馆的特定火灾场景进行模拟计算，对由于火灾导致的温度分布和结构破坏过程进行数值模拟。
Numerical simulations of fire disaster in a specific gymnasium were performed and the temperature distribution and the structure failure process induced by fire were investigated.
本文采用数值方法对某大型体育馆的特定火灾场景进行模拟计算，对由于火灾导致的温度分布和结构破坏过程进行数值模拟。
Numerical simulations of fire disaster in a specific gymnasium were performed and the temperature distribution and the structure failure process induced by fire were investigated.
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