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小室火灾中水喷淋有效性的数值模拟研究 被引量:1

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摘要 以某小室火灾为研究对象,采用多维计算机数值模拟技术,使用大涡模拟方法,分别对有水喷淋和无水喷淋两种工况下小室内部温度和烟气密度变化趋势进行模拟计算,并对计算结果进行详细分析;同时结合实际场景有无水喷淋的工况,对其进行温度、能见度和一氧化碳浓度的对比分析。结果表明,水喷淋对小室火灾具有明显的降温作用,对一氧化碳有很好的抑制作用。但由于水喷淋和烟气的相互作用,关键高度处的烟气密度有所升高。模拟结果为小室火灾的水喷淋设提供了科学依据。
作者 张媛 张娜
出处 《消防技术与产品信息》 2010年第7期53-56,共4页 Fire Technique and Products Information
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