超高速撞击充气压力容器二次碎片减速运动建模研究

盖芳芳; 庞宝君; 管公顺

doi:10.11858/gywlxb.2012.02.009

超高速撞击充气压力容器二次碎片减速运动建模研究

doi: 10.11858/gywlxb.2012.02.009

1.
黑龙江科技学院理学院，黑龙江哈尔滨 150027；
2.
哈尔滨工业大学高速撞击研究中心，黑龙江哈尔滨 150080

详细信息

通讯作者:
盖芳芳 E-mail:fang19811119@yahoo.com.cn

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出版历程
- 收稿日期: 2010-08-11
- 修回日期: 2011-03-28
- 发布日期: 2012-04-15

Model for the Deceleration of Secondary Debris Produced by Hypervelocity Impact on Pressure Vessels

1.
Heilongjiang Institute of Science and Technology, Harbin 150027, China;
2.
Hypervelocity Impact Research Center, Harbin Institute of Technology, Harbin 150080, China

摘要

摘要: 针对空间碎片超高速撞击充气压力容器的二次碎片减速运动问题，首先根据弹丸撞击容器前壁后的破碎程度，将二次碎片分为弹丸未破碎、未完全破碎及完全破碎3种模式，分别建立了二次碎片未受气体扰动时的初始模型；然后采用理论分析手段，应用流体动力学、气-固两相流理论，对弹丸不同破碎模式下的二次碎片在容器内的运动过程进行分析，建立了二次碎片减速运动的计算模型，通过与数值模拟结果的比较，验证了计算模型的有效性。
- 空间碎片 /
- 超高速撞击 /
- 压力容器 /
- 二次碎片
Abstract: According to characteristic of secondary debris, initial models of secondary debris are built. The models of secondary debris are classified as three patterns. The first patten is that the projectile is not fragmentated. The second patten is that the projectile is not entirely fragmentated. The third patten is that the projectile is entirely fragmentated. The secondary debris deceleration process is analyzed based on hydrodynamics theory and gas-solid two phase flow theory. The computational model of secondary debris deceleration is built. The computational results are consistent with numerical results very well. The model of secondary debris deceleration is validated.
- space debris /
- hypervelocity impact /
- pressure vessels /
- secondary debris

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参考文献(25)

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