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液氦减压制冷系统简介和常见问题分析

Liquid helium evacuating refrigeration systems and common problems

  • 摘要: 液氦减压制冷系统是目前广泛使用的1—4 K制冷装置。文章首先简要分析了液氦减压制冷系统的现状、原理,而后进一步说明各个组成部分的原理、设计和使用时应考虑的内容,并详细描述了液氦制冷系统的关键部件——流阻的现状及发展前景,最后列举了使用中常见的问题及其预防和处理方法。

     

    Abstract: The liquid helium evacuating refrigeration system is widely used for temperatures from 1—4 K. This paper briefly analyzes the principle and present status of liquid helium pressure refrigeration systems, then explain the principle, design of the components, and aspects that should be considered in usage. The key component of a liquid helium cooling system, the flow resistance, is described in detail, as well as its current development status and prospects. Finally, common problems and their prevention and treatment are enumerated.

     

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