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含能材料  2015 

充填抑爆材料油箱的烤燃性能

DOI: 10.11943/j.issn.1006-9941.2015.05.016

Keywords: 柴油 喷气燃料 烤燃 抑爆球 喷射火球 热效应 热通量

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Abstract:

为研究烤燃对不填充和填充球形抑爆材料燃油箱的破坏效应, 正确评估抑爆球的阻燃抑爆效果, 模拟车辆、飞机的燃油箱受到炙烤的场景, 对盛装-10号柴油(-10PD)、喷气燃料(RP-5)的油箱进行烤燃实验, 并采用摄像机、高速照相机、红外热成像仪和热通量计等分别记录和测量了油箱的烤燃过程及其产生的喷射火球尺寸、表面温度和热辐射参数。结果表明:油箱在烤燃过程中将产生喷射火, 甚至发生蒸气云爆炸, 其破坏效应主要表现为喷射火球的热效应。对于填充抑爆球的-10PD、RP-5油箱, 其油料受热初始燃烧的时间分别延迟了48 s和121 s, 喷射火球的最大截面积分别减小了65.72%、42.44%, 表面最高温度分别减小了26.13%、12.66%, 其热通量伤害后果也明显减小

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