Characteristics of draging period cavity formation in liquid filling container by fragment impacting

MA Liying; LI Xiangdong; ZHOU Lanwei; ZHANG Gaofeng

doi:10.11883/bzycj-2017-0188

Volume 38 Issue 6

Sep. 2018

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MA Liying, LI Xiangdong, ZHOU Lanwei, ZHANG Gaofeng. Characteristics of draging period cavity formation in liquid filling container by fragment impacting[J]. Explosion And Shock Waves, 2018, 38(6): 1412-1418. doi: 10.11883/bzycj-2017-0188

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MA Liying, LI Xiangdong, ZHOU Lanwei, ZHANG Gaofeng. Characteristics of draging period cavity formation in liquid filling container by fragment impacting[J]. Explosion And Shock Waves, 2018, 38(6): 1412-1418. doi: 10.11883/bzycj-2017-0188

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Characteristics of draging period cavity formation in liquid filling container by fragment impacting

doi: 10.11883/bzycj-2017-0188

Ministerial Key Laboratory of ZNDY, Nanjing University of Science and Technology, Nanjing 210094, Jiangsu, China

Received Date: 2017-05-31
Rev Recd Date: 2017-09-21
Publish Date: 2018-11-25

Abstract

Abstract

To study the characteristics of the cavities formed by the fragment impacting liquid filling container, the forming process of the cavities in the liquid-filled containers was studied through numerical and experimental studies. In addition, the effects of the impacting velocity and the liquid medium of the cavity were analyzed. The results show that the cavity formed in the liquid is approximate a cone, the maximum diameter, length and length-diameter ratio of the cavity increase with fragment moving. The ratio of length to diameter eventually approches a certain value, and the value is approximate 3.9. The maximum diameter of the cavity increases with the increase of the fragment impact velocity. The maximum diameter and the length-diameter ratio of the cavity in the diesel medium are similar to those in the water medium, and the length-diameter ratio of the cavity approches 4.25.The maximum diameter and the length-diameter ratio in the diesel medium are larger than those in the water medium.
- liquid-filled container,
- cavity characteristics,
- impact velocity,
- liquid medium

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References(13)

References

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