Effect of Confinement on Detonation Velocity and Plate Dent Test Results for ANFO Explosive

被引：10

作者：

Bohanek, Vjecislav ^{[1
]}

Suceska, Muhamed ^{[1
]}

Dobrilovic, Mario ^{[1
]}

Hartlieb, Philipp ^{[2
]}

机构：

[1] Univ Zagreb, Fac Min Geol & Petr Engn, Zagreb 10000, Croatia

[2] Univ Leoben, Min Engn & Mineral Econ, A-8700 Leoben, Austria

来源：

ENERGIES | 2022年 / 15卷 / 12期

关键词：

ANFO; confinement; detonation velocity; plate dent test; AMMONIUM-NITRATE; NONIDEAL DETONATION; PERFORMANCE;

D O I：

10.3390/en15124404

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

The detonation properties of nonideal explosives are highly dependent on charge diameter and existence and properties of confinement. In this study, the effect of different confinements on the detonation velocity of ANFO explosives was experimentally determined along with the results of the plate dent test. ANFO explosive was selected as one of the most commonly used nonideal explosives. Following the measurement results, we found that the detonation velocity increased with increasing wall thickness, and the velocity increase was different for different confinement materials. A strong correlation existed between the ratio of the mass of confiner and explosive (M/C) and the detonation velocity (R = 0.995), and between (M/C) and the depth of the dent (delta) (R = 0.975). The data presented in this paper represent preliminary findings in developing a confinement model required for reliable numerical modeling of nonideal explosives.

引用

页数：9

共 30 条

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Combustion, Explosion, and Shock Waves, 2021, 57 : 719 - 725

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