仓库火灾中散装锂离子电池的介入时间估计

B. Ditch, G. Yee, M. Chaos
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引用次数: 3

摘要

提出了一种新的实验方法来评估锂离子电池在仓库中大量储存所造成的危害。通过三层高机架阵列的自由燃烧试验,对盒装小尺寸锂离子电池的可燃性进行了评价。对于每次测试,只有阵列的点火烟道区域内衬商品,以减少所需的锂离子电池数量。我们努力测量火灾的发展,更重要的是,测量电池起火的时间,这是火灾危害分析的一个关键参数。该参数是通过对对流气流的诊断推断出来的,并通过目视观察和燃烧产物分析得到证实。对于本文所考虑的测试,锂离子电池在点火后5分钟内对存储火灾的严重程度有显著影响。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Estimating the Time-of-Involvement of Bulk Packed Lithium-Ion Batteries in a Warehouse Storage Fire
A novel experimental approach was developed to evaluate the hazard posed by bulk storage of Li-ion batteries in warehouse scenarios. The flammability characteristics of cartoned small-format Li-ion batteries were evaluated via free-burn fire tests of three-tier-high rack storage arrays. For each test, only the ignition flue area of the array was lined with commodity as a means of reducing the required quantity of Li-ion batteries. Effort was placed on measurement of the fire development and, more importantly, the time of significant battery involvement, a key parameter in the hazard analysis of these fires. This parameter was inferred through diagnostics of the convective gas flow, and corroborated with visual observations and analyses of combustion products. For the tests considered herein, Li-ion batteries are shown to contribute significantly to the severity of the storage fires within 5 minutes of ignition.
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