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Temperature influences of the recoil characteristics for aluminum honeycomb buffer in the tether-net launcher

Defence Technology（防务技术） 2023年第11期29卷 39-54页

作者： Wen-hui Shi Shuai Yue Chun-bo Wu Zhou Liu Zhi Liu Bei-bei Zhao Zhong-hua Du Guang-fa Gao School of Mechanical Engineering Nanjing University of Science and TechnologyNanjing210094China Aerospace System Engineering Shanghai Shanghai201109China Xi'an North Qinghua Electromechancal Co. LTDXi'an710038China

Fluctuations in outer space's temperature would affect the spacecraft's regular *** paper aims to study the temperature influences of the aluminum honeycomb buffer in the tether-net ***,a buffer structure was designed to attenuate the pyroshock generated by the pyrotechnic ***,the mechanical properties of aluminum honeycomb at different temperatures were obtained through quasi-static compression ***,the internal ballistic responses of the launcher were gained by the closed bomb tests and the equivalent classical interior ballistic ***,the recoil performance of the launcher with aluminum honeycomb buffer at different temperatures was *** is revealed that the aluminum honeycomb crushing force gradually decreases with the temperature *** peak pressure,burning rate coefficient and velocity increase while the peak time decreases with the temperature increase for the interior *** the launcher recoil responses,the average launch recoil decreases if the aluminum honeycomb doesn't enter the dense *** impact acceleration,projectile velocity and displacement increase as the temperature *** paper spotlights the temperature's influence on the recoil characteristics of the aluminum honeycomb buffer,which provides a new idea for buffering technology of pyrotechnic devices in a complex space environment.

关键词： Tether-net launcher Temperature Aluminum honeycomb buffer interior ballistic responses Launch recoil characteristics

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