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首页> 外文期刊>Fire Safety Journal >Smoke movement in elevator shafts during a high-rise structural fire
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Smoke movement in elevator shafts during a high-rise structural fire

机译：高层结构火灾中电梯井道中的烟气运动

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摘要

In high-rise fires, smoke is often the leading cause of fatalities. Therefore, in the event of a fire, the ability to predict the movement of smoke throughout a tall structure is of vital importance. Smoke moves depending on a number of interacting and complex factors including weather conditions, building construction, operation of HVAC equipment, as well as the location and intensity of the fire. Smoke often travels long distances from the fire floor, and in the particular case of a high-rise fire, smoke frequently moves to upper floors via open passages such as elevator shafts and stairwells.rnA network model is described that is capable of accounting for all of the complex interactions among the variables that affect the movement of smoke via an elevator shaft and ultimately into occupied floors within the structure. The program is used to identify and assess the important factors that strongly influence the movement of smoke during a structural fire. The results are used to recommend construction practices and the operation of floor pressurization equipment that will diminish the volume of smoke delivered to upper floors in a high-rise building.
机译：在高层火灾中，烟雾通常是导致死亡的主要原因。因此，在发生火灾的情况下，预测烟雾在整个高层建筑中运动的能力至关重要。烟雾的移动取决于许多相互作用和复杂的因素，包括天气条件，建筑物结构，HVAC设备的运行以及火灾的地点和强度。烟雾通常从防火地板传播很长一段距离，在高层火灾的特定情况下，烟雾经常通过开放通道（例如电梯井道和楼梯间）移到较高楼层。rn描述了一种网络模型，该模型能够解决所有问题变量之间复杂的相互作用的影响，这些变量影响烟雾通过电梯井的运动并最终进入结构内的占用楼层。该程序用于识别和评估在结构火灾期间强烈影响烟雾运动的重要因素。结果可用于推荐建筑实践和地板加压设备的操作，这些设备将减少高层建筑中输送到高层的烟雾量。

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