| 空气隔层对水中冲击波衰减效果的实验研究 |
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| 引用本文： | 樊自建,沈兆武,马宏昊,廖学燕.空气隔层对水中冲击波衰减效果的实验研究[J].中国科学技术大学学报,2007,37(10):1306-1311. |
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| 作者姓名： | 樊自建 沈兆武 马宏昊 廖学燕 |
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| 作者单位： | 1. 中国科学技术大学近代力学系,安徽合肥,230027;国防科技大学指挥军官基础教育学院,湖南长沙,410072
2. 中国科学技术大学近代力学系,安徽合肥,230027 |
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| 基金项目： | 面向21世纪教育振兴行动计划(985计划) |
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| 摘 要： | 依据一维击波绝热透、反射理论和冲击波在空气、水中的衰减规律,分析了水中空气隔层对水下爆炸冲击波衰减的原理,并通过两次小药量模型实验对分析结果进行了验证.结果表明,空气隔层不仅可以削弱水中冲击波峰值压力,而且可以有效减少冲击波的冲量和总能量,从而可以有效防止水中爆炸冲击波对保护目标的破坏.
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| 关 键 词： | 空气隔层 水下爆炸 水下防护 |
| 文章编号： | 0253-2778（2007）10-1306-06 |
| 修稿时间： | 2007-04-13 |
Experimental study on attenuation of underwater shock wave by air interlayer |
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| FAN Zi-jian,SHEN Zhao-wu,MA Hong-hao,LIAO Xue-yan.Experimental study on attenuation of underwater shock wave by air interlayer[J].Journal of University of Science and Technology of China,2007,37(10):1306-1311. |
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| Authors: | FAN Zi-jian SHEN Zhao-wu MA Hong-hao LIAO Xue-yan |
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| Institution: | 1. Department of Modern Mechanics, University of Science and Technology of China, He f ei 230027, China 2. School of Military Officer Elementary Education, National University of Defense Technology, Changsha 410072, China |
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| Abstract: | The principle of the air interlayer to weaken the shock wave is analyzed,based on the theory of one-dimensional shock wave insulation transmission and reflection,the attenuation rule of shock wave in air and underwater medium.The theoretical result was verified by two experiments of minimum explosive model.And the result indicates that the air interlayer not only could weaken the peak pressure,but also effectively absorbs the impulse and the total energy of shock wave,thus effectively reducing the damage to the protected object incurred by underwater shock wave. |
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| Keywords: | air interlayer underwater explosion underwater protection |
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