Incident and Normally Reflected Overpressure and Impulse for Detonations of Spherical High Explosives in Free Air

Shin Jinwon; Whittaker Andrew S.; Cormie David

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Incident and Normally Reflected Overpressure and Impulse for Detonations of Spherical High Explosives in Free Air

机译：自由空气中球形高能炸药爆炸的入射和正反射超压和脉冲

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Air-blast parameters, including incident and reflected peak overpressures and impulses, and shock-front arrival times, are typically estimated for protective design using charts developed by Kingery and Bulmash. The charts underpredict incident and normally reflected peak overpressures and incident impulse near the face of the charge. Numerical analyses of detonations of spherical charges of trinitrotoluene in free air are performed using a verified and validated computational fluid dynamics (CFD) code to understand the shortcomings of current approaches for calculating incident and normally reflected overpressures and impulses, and for shock-front arrival time. New equations and design charts are proposed based on CFD calculations. (C) 2015 American Society of Civil Engineers.

机译：通常使用Kingery和Bulmash制定的图表来估计保护设计的鼓风参数，包括入射和反射的峰值超压和脉冲以及冲击到达的时间。这些图表低估了入射，并且通常反映了装药面附近的峰值超压和入射脉冲。使用经过验证的计算机流体动力学（CFD）代码对自由空气中三硝基甲苯的球形装药爆轰进行了数值分析，以了解当前用于计算入射和正常反射的超压和脉冲以及激波前到达时间的方法的缺点。基于CFD计算，提出了新的方程式和设计图。（C）2015年美国土木工程师学会。

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《Journal of structural engineering》 |2015年第12期|04015057.1-04015057.13|共13页
作者
Shin Jinwon; Whittaker Andrew S.; Cormie David;
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作者单位

SUNY Buffalo, Dept Civil Struct & Environm Engn, Buffalo, NY 14260 USA|SUNY Buffalo, Buffalo, NY 14260 USA;

SUNY Buffalo, Dept Civil Struct & Environm Engn, Buffalo, NY 14260 USA|SUNY Buffalo, Buffalo, NY 14260 USA;

Arup, Resilience Secur & Risk, London W1T 4BQ, England;

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1. Erratum for 'Incident and Normally Reflected Overpressure and Impulse for Detonations of Spherical High Explosives in Free Air' by Jinwon Shin, Andrew S. Whittaker, and David Cormie [J] . Shin Jinwon, Whittaker Andrew S., Cormie David Journal of structural engineering . 2020,第4期

机译：Jinwon Shin，Andrew S.Whittaker和David Cormie撰写的题为“在自由空气中爆炸球形高爆炸物的事件和正常反射的超压和脉冲”的勘误
2. Characteristic overpressure-impulse-distance curves for the detonation of explosives, pyrotechnics or unstable substances [J] . Fernando Diaz Alonso, Enrique Gonzalez Ferradas, Juan Francisco Sanchez Perez, Journal of loss prevention in the process industries . 2006,第6期

机译：爆炸物，烟火或不稳定物质爆炸的特征性超压-脉冲距离曲线
3. TNT Equivalency for Overpressure and Impulse for Defonations of Spherical Charges of High Explosives [J] . Jinwon Shin, Andrew S. Whittaker, David Cormie International Journal of Protective Structures . 2015,第3期

机译：高炸药球形装药的超压和脉冲的TNT等效性
4. BURN FRONT AND REFLECTED SHOCK WAVE VISUALIZATION IN AN INERTIALLY CONFINED DETONATION OF HIGH EXPLOSIVE [C] . Guillermo Terrones, Michael W. Burkett, Christopher Morris Conference of the American Physical Society Topical Group on Shock Compression of Condensed Matter . 2012

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6. Magmatic overpressures volatile exsolution and potential explosivity of fissure eruptions inferred via dike aspect ratios [O] . Nobuo Geshi, John Browning, Shigekazu Kusumoto -1

机译：通过堤坝纵横比推断的岩浆超压挥发性溶出和裂隙爆发的潜在爆炸性
7. Blast Wave Parameters for Spherical Explosives Detonation in Free Air [O] . I. Sochet, D. Gardebas, S. Calderara, 2011

机译：空气中球形炸药爆炸的爆炸波参数

Incident and Normally Reflected Overpressure and Impulse for Detonations of Spherical High Explosives in Free Air

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