Study on deformation characteristics of collision region of copper tube with guard ring driven by two head-on colliding detonation waves

ZHANG Chong-yu; GU Yan; LI Qing-zhong; HUA Jin-song; SUN Xue-lin; PENG Qi-xian; ZHANG Zhen-tao

doi:10.11883/1001-1455(2007)02-0097-06

Volume 27 Issue 2

Oct. 2014

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ZHANG Chong-yu, GU Yan, LI Qing-zhong, HUA Jin-song, SUN Xue-lin, PENG Qi-xian, ZHANG Zhen-tao. Study on deformation characteristics of collision region of copper tube with guard ring driven by two head-on colliding detonation waves[J]. Explosion And Shock Waves, 2007, 27(2): 97-102. doi: 10.11883/1001-1455(2007)02-0097-06

Citation:

ZHANG Chong-yu, GU Yan, LI Qing-zhong, HUA Jin-song, SUN Xue-lin, PENG Qi-xian, ZHANG Zhen-tao. Study on deformation characteristics of collision region of copper tube with guard ring driven by two head-on colliding detonation waves[J]. Explosion And Shock Waves, 2007, 27(2): 97-102. doi: 10.11883/1001-1455(2007)02-0097-06

Citation:

ZHANG Chong-yu, GU Yan, LI Qing-zhong, HUA Jin-song, SUN Xue-lin, PENG Qi-xian, ZHANG Zhen-tao. Study on deformation characteristics of collision region of copper tube with guard ring driven by two head-on colliding detonation waves[J]. Explosion And Shock Waves, 2007, 27(2): 97-102. doi: 10.11883/1001-1455(2007)02-0097-06

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Study on deformation characteristics of collision region of copper tube with guard ring driven by two head-on colliding detonation waves

doi: 10.11883/1001-1455(2007)02-0097-06

1.
Laboratory for Shock Wave and Detonation Physics, Institute of Fluid Physics, China Academy of Engineering Physics, Mianyang 621900, Sichuan, China

Publish Date: 2007-03-25

Abstract

Abstract

The deformation characteristics of copper tube with guard ring under two head-on collision detonation waves were experimentally researched. High-speed frame photography, pulsed X-ray radiography and VISAR interferometer were employed to record the expanding process, radius history and velocity history of the copper tube with guard ring. Experimental results show that guard ring can postpone the collision region shell to rupture. The jet-shaped protuberance was found on collision region of copper tube with guard ring. The jet-shaped protuberance consisted of mass ejection from free surface of copper tube and air shock. The DYNA3D code was utilized to simulate the expanding process of copper tube with guard ring. The calculated results and the experimental results are coincident. The LS-DYNA3D code was used to analyze the influence of guard rings fillet on deformation characteristics of metal tube.
- solid mechanics,
- deformation characteristics,
- two head-on collision detonation waves,
- copper tube,
- guard ring

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