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中文摘要：
对有自然通风的建筑物通道一单室内的火灾烟气运动进行了数值模拟，给出了烟气温度、速度和组分质量分数的分布。模拟得到的烟气温度场和速度场在火源区及火源以外的其它区域均与实验数据相符合，预报出了二氧化碳与氧气浓度的分层分布。在所研究的释热率条件下，通道一单室内的火灾处于燃料控制状态。
英文摘要：
The paper presents a numerical simulation of the fire smoke flow in a building corridor -room with natural ventilation. The distributions of gas temperature, velocity, and species mass fractions are obtained. The calculated gas temperature and velocity distributions agree with the measured data both in the fire plume region and in the other region. The predicted distributions of carbon dioxide and oxygen concentrations exhibit evident stratification. The fire in the corridor - room is controlled by fuel release status under the conditions of heat release rate being studied.
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