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DEPLOYMENT CHARACTERISTICS EVALUATION OF INFLATABLE TUBES WITH POLYGON FOLDING UNDER AIRPLANE MICROGRAVITY ENVIRONMENT

机译：飞机微重力环境下带聚对折的可充气管的部署特性评估

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摘要

This paper examines the deployment experiment results of inflatable tubes under microgravity using an airplane parabolic flight. Four inflatable tubes with the polygon folding and one inflatable tube with the conventional Z-folding were used as test articles. Inflatable tubes with diameter of 150 mm and length of 2000 mm were fabricated by using polyimide film as a gas barrier membrane. The deployment experiment was performed in the microgravity environment on a G-Ⅱ airplane. All test articles were inflated and deployed completely by the internal pressure of introduced air. The deployment motions, recorded by the digital video cameras, were analyzed by the three-dimensional data analysis system. It was clarified that the deployment experiment results of the inflatable tubes with tetragonal and hexagonal folding showed more uniform and stable deployment motion than the inflatable tube with Z-folding.
机译：本文通过飞机抛物线飞行检查了微重力下的充气管展开实验结果。将具有多边形折叠的四个充气管和具有常规Z形折叠的一个充气管用作测试物品。通过使用聚酰亚胺膜作为阻气膜来制造直径为150 mm，长度为2000 mm的充气管。部署实验是在G-Ⅱ型飞机的微重力环境中进行的。所有测试物品都通过引入的空气内部压力进行了充气和完全展开。由数码摄像机记录的部署动作由三维数据分析系统进行了分析。澄清的是，具有四边形和六边形折叠的充气管的展开实验结果显示出比具有Z形折叠的充气管更均匀和稳定的展开运动。

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