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首页> 外文期刊>Physica, C. Superconductivity and its applications >The development of a fully portable, cryocooled HTS SQUID NDE instrument
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The development of a fully portable, cryocooled HTS SQUID NDE instrument

机译：完全便携式的低温冷却的HTS SQUID NDE仪器的​​开发

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Commercial realisation of the full potential of HTS SQUIDs in NDE will only come about with the development of fully portable systems that operate on a turn-key approach. Existing cryogenic solutions rely on invertible cryostats which can be both cumbersome and are typically custom-fabricated. With the use of cryocoolers becoming more widespread, there is a possibility to dispense with the need for a liquid cryogen. Here we report on progress towards such a system that will incorporate a cryocooler which can be disengaged from a copper thermal battery once the base temperature has been reached. The battery has been designed with a two-stage inner and outer core system to extend the SQUIDs operating time. The cool-down and warm-up rates for the system are presented along with a discussion of SQUID packaging. (C) 2002 Elsevier Science B.V. All rights reserved. [References: 5]
机译：HTS SQUID在NDE中的全部潜力的商业实现只有通过以交钥匙方式运行的完全便携式系统的开发才能实现。现有的低温解决方案依赖于可逆的低温恒温器，这种恒温器既麻烦又通常是定制的。随着低温致冷器的使用变得越来越广泛，有可能免除对液体致冷剂的需求。在这里，我们报告了这种系统的进展，该系统将装有一个低温冷却器，一旦达到基本温度，该冷却器就可以从铜制热电池上脱离。电池设计有两级内部和外部核心系统，以延长SQUID的工作时间。介绍了系统的冷却和预热速率，并讨论了SQUID包装。 （C）2002 Elsevier Science B.V.保留所有权利。 [参考：5]

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