铝板与凯夫拉织物间碎片云动能耗散的比较研究

IF 3.4 2区物理与天体物理 Q1 ENGINEERING, AEROSPACE

Acta Astronautica Pub Date : 2025-09-24 DOI:10.1016/j.actaastro.2025.09.058

Duo Zhang, Gongshun Guan, Jianing Zhang

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引用次数: 0

摘要

凯夫拉机织织物已广泛用作空间碎片屏蔽配置的中间层。本研究以填充惠普尔护盾为研究对象，采用实验与数值模拟相结合的方法，系统比较了铝板与凯夫拉织物作为中间层防护性能的差异。在3.0至4.4 km/s的速度范围内进行了超高速撞击实验，得出了包含两种材料的屏蔽结构的撞击损伤结果。通过数值模拟的整合，基于碎片云能量分布、最大碎片质量、碎片能量-位置联合分布，定量分析了两种材料对防护性能的增强效果。该研究阐明了两种材料之间的机理区别，并确定了它们各自的最佳速度范围，为屏蔽结构中的材料选择提供了见解。

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Comparative study on kinetic energy dissipation of debris clouds between aluminum plates and Kevlar fabric

Kevlar woven fabric has been extensively utilized as an intermediate layer in space debris shielding configurations. This investigation focuses on stuffed Whipple shields and employs a combined experimental and numerical simulation approach to systematically compare the protective performance differences between aluminum plates and Kevlar woven fabric as intermediate layers. Hypervelocity impact experiments were performed at velocities ranging from 3.0 to 4.4 km/s, yielding impact damage results for shielding configurations incorporating both materials. By integrating numerical simulations, the study quantitatively analyzed the enhancement effects of the two materials on protective performance based on debris cloud energy distribution, maximum fragment mass, and energy-location joint distribution of fragments. The study elucidates the mechanistic distinctions between the two materials and identifies their respective optimal velocity regimes, providing insights for material selection in shielding configurations.

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来源期刊

Acta Astronautica 工程技术-工程：宇航

CiteScore

7.20

自引率

22.90%

发文量

599

审稿时长

53 days

期刊介绍： Acta Astronautica is sponsored by the International Academy of Astronautics. Content is based on original contributions in all fields of basic, engineering, life and social space sciences and of space technology related to: The peaceful scientific exploration of space, Its exploitation for human welfare and progress, Conception, design, development and operation of space-borne and Earth-based systems, In addition to regular issues, the journal publishes selected proceedings of the annual International Astronautical Congress (IAC), transactions of the IAA and special issues on topics of current interest, such as microgravity, space station technology, geostationary orbits, and space economics. Other subject areas include satellite technology, space transportation and communications, space energy, power and propulsion, astrodynamics, extraterrestrial intelligence and Earth observations.