由于太空中的失重环境,大型空间在轨装置的对接与组装面临着一系列的技术难题,自适应对接结构及技术被视为是解决这些难题的重要途径.基于高温超导体的磁通俘获,超导体磁通钉扎为自适应方式提供了一种新型的非接触对接组装途径.论文提出了一种将高温超导体应用于空间对接的基本方案,并结合该方案展开了超导体励磁和对接力学特性的基础实验研究.研究表明,超导体钉扎效应受励磁过程影响显著,小尺寸的常规电磁场励磁很难促使强钉扎特性;励磁场作用于对接过程的方式对电磁对接力的影响很大,依赖励磁场和超导体的共同作用,对接力在轴线方向上表现出显著的自稳定约束特性.
Due to zero gravity environment in space, docking and assembling of large spacecraft systems in orbit presents many challenges. Some main approaches to these challenges depend on adapting interface construction and techniques. Based on trapped magnetic flux in bulk high temperature superconductors (HTSs), superconducting flux-pinned effect brings a new no-contacting interface method to the adapting requirement. This paper described a space interface configuration using bulk HTSs, and carried out a lot of primary experiments to understand the bulk magnetization characteristics and mechanical properties of flux-pinned interface. The results show that the flux- pinned effect of the HTS is affected seriously by the magnetization process, and small-scale normal electric magnets are difficult to cause strong flux-pinning. Different action of exciting magnetic field on the interface process brings different electric interface force. Depending on the combined action of the excited field and the HTS, the interface force show strong self-stable feature along the axial direction.
参考文献
[1] | Wenjiang Yang;Ming Qiu;Yu Liu .Levitation characteristics in an HTS maglev launch assist test vehicle[J].Superconductor Science & Technology,2007(3):281-286. |
[2] | Wang S.Y.;Wang J.S.;Ren Z.Y.;Jiang H.;Zhu M.;Wang X.R.;Tang Q.X. .Levitation force of multi-block YBaCuO bulk high temperaturesuperconductors[J].IEEE Transactions on Applied Superconductivity: A Publication of the IEEE Superconductivity Committee,2001(1):1808-1811. |
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