Numerical simulation of detonation in aluminized explosives containing oxidiser (AP)

JIANG Xiao-hua; LONG Xin-ping; HE Bi; CHEN Lang; HUANG Yi-min; ZHANG Hai-bin

doi:10.11883/1001-1455(2005)01-0026-05

Volume 25 Issue 1

Dec. 2014

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JIANG Xiao-hua, LONG Xin-ping, HE Bi, CHEN Lang, HUANG Yi-min, ZHANG Hai-bin. Numerical simulation of detonation in aluminized explosives containing oxidiser (AP)[J]. Explosion And Shock Waves, 2005, 25(1): 26-30. doi: 10.11883/1001-1455(2005)01-0026-05

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Numerical simulation of detonation in aluminized explosives containing oxidiser (AP)

doi: 10.11883/1001-1455(2005)01-0026-05

1.
Institute of Chemical Materials, China Academy of Engineering Physics, Mianyang 621900, Sichuan, China;
2.
Mechanics and Engineering Department, Beijing Institute of Technology, Beijing 100081, China

Publish Date: 2005-01-25

Abstract

Abstract

This article reports Ignition and Growth equations of aluminized explosives containing oxidizer (RDX/AP/Al/HTPB=20/43/25/12). VLW EOS (equations of state) is applied to calculate the parameters of JWL EOS for this explosives. The free-surface velocities of the metal plate and the interface particle velocities between the explosive and sodium chloride window were recorded by the VISAR velocity interferometer. We have performed 3D numerical simulation for the particle velocities test to evaluate the parameters of the reactive rate EOS. The results show that the VLW EOS method and the explosion/widow interface velocity can be used to determine the JWL EOS and the reactive rate EOS. The results of metal plate acceleration test agree well with calculations.
- mechanics of explosion,
- reactive rate equation,
- VISAR,
- aluminized explosives,
- JWL EOS,
- VLW EOS

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