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CFD simulation of the brattice barrier method for approaching underground mine fires

机译:地下矿井火灾接触障碍法的CFD模拟

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摘要

Fires are the most feared hazard in underground mines. The problems associated with underground mine fires calls for special techniques and treatments in its prevention and fire fighting. Each mine fire presents unique conditions from the perspective of dealing with it. The purpose of this paper is to present Computational Fluid Dynamics (CFD) simulated fire scenarios on which is tested the brattice barrier method for approaching underground mine fires. With this experimental CFD model we can determine the effectiveness of this method. These simulations were performed to determine if we increase the air velocity into the roof with help of brattice barrier, will this remove the smoke and heat upstream of the fire so that firefighters can approach safely and extinguish the fire. We can also observe the explosive range of the particles and gases that travel upstream of the fire and are then forced back into the fire area by this brattice barrier method.
机译:火灾是地下矿井中最令人恐惧的危害。与地下矿井着火有关的问题要求在预防和灭火方面采取特殊的技术和处理方法。从应对的角度来看,每场地雷都呈现出独特的条件。本文的目的是介绍计算流体动力学(CFD)模拟火灾场景,在该场景上测试了用于应对地下矿井火灾的Brattice屏障方法。使用此实验CFD模型,我们可以确定该方法的有效性。进行这些模拟是为了确定我们是否借助护栏屏障提高进入屋顶的空气速度,这会消除火灾上游的烟雾和热量,以便消防人员可以安全地接近并扑灭大火。我们还可以观察到在火的上游传播并随后通过这种近距离屏障方法被迫返回火区的颗粒和气体的爆炸范围。

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