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Analysis of reflected blast wave pressure profiles in a confined room

机译：密闭房间中爆炸冲击波压力分布的分析

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摘要

To understand the blast effects of confined explosions, it is necessary to study the characteristic parameters of the blast wave in terms of overpressure, impulse and arrival time. In a previous study, experiments were performed using two different scales of a pyrotechnic workshop. The main purpose of these experiments was to compare the TNT equivalent for solid and gaseous explosives in terms of mass to define a TNT equivalent in a reflection field and to validate the similitude between real and small scales. To study the interactions and propagations of the reflected shock waves, the present study was conducted by progressively building a confined volume around the charge. In this way, the influence of each wall and the origins of the reflected shock waves can be determined. The purpose of this paper is to report the blast wave interactions that resulted from the detonation of a stoichiometric propane-oxygen mixture in a confined room.
机译：为了了解受限爆炸的爆炸效应，有必要研究超压，冲击和到达时间等爆炸波的特征参数。在以前的研究中，实验是使用两种不同规模的烟火车间进行的。这些实验的主要目的是根据质量比较固态和气态炸药的TNT等效值，以定义反射场中的TNT等效值，并验证真实尺度和小尺度之间的相似性。为了研究反射冲击波的相互作用和传播，通过逐步在装药周围建立一个有限的体积来进行本研究。以此方式，可以确定每个壁的影响以及反射的冲击波的起源。本文的目的是报告在密闭空间中爆炸的化学计量的丙烷-氧气混合物引起的爆炸波相互作用。

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