化爆冲击波在90°拐角通道内的到时规律

沈俊,李永池,庞伟宾,

中国工程科学 ›› 2006, Vol. 8 ›› Issue (3) : 53 -57.

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中国工程科学 ›› 2006, Vol. 8 ›› Issue (3) : 53 -57.
学术论文

化爆冲击波在90°拐角通道内的到时规律

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The Regularity of Time of Arrival in 90� Bend Tunnel for Shock Wave due to Explosions From High Explosive Charges

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摘要

对空气冲击波在90°拐角坑道内传播的到时规律及其影响因素进行了实验研究,在无量纲分析基础上建立了简化的工程模型。通过对实验数据拟合建立了可以对高能炸药在90°拐角坑道内爆炸产生的空气冲击波到达时间进行预计的公式,利用该公式可以进一步求得空气冲击波在90°拐角坑道内的传播速度。

Abstract

The propagating regularity and its influencing matter of shock wave in a 90° bend tunnel were studied experimentally. On the basis of dimensional analysis, a simplified engineering model was built. Through collecting data gained from 4 experiments, a formula was proposed which can compute time of arrival in a 90° bend tunnel due to explosions from high explosive charges. This formula can also be used to compute velocity of shock in the 90° bend tunnel.

关键词

内爆炸 / 冲击波 / 到时

Key words

internal explosion / shock wave / time of arrival

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沈俊,李永池,庞伟宾, 化爆冲击波在90°拐角通道内的到时规律[J]. 中国工程科学, 2006, 8(3): 53-57 DOI:

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