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低气压下湍流扩散射流火焰形态的实验研究

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摘要 通过在拉萨和合肥两地开展丙烷射流火实验,研究了两地湍流扩散射流火焰形态的不同,分析了低压低氧条件对火焰形态的影响机理。通过图像处理,得到了两地的火焰高度和火焰面积,并通过圆柱体假设,得到了等效的火焰宽度。研究结果表明,对于相同的燃料种类和喷嘴口径,当火源功率相同时,拉萨的火焰高度、火焰等效宽度和火焰面积比合肥的大。两地的火焰高度与火焰等效宽度的比值均为一常数,拉萨的数值略大于合肥,两地的均值约为13.8。
机构地区 甘肃省消防总队
出处 《消防技术与产品信息》 2015年第11期3-6,共4页 Fire Technique and Products Information
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参考文献11

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