测量低温条件下的热接触电阻和热接触设计

IF 1.8 3区工程技术 Q3 PHYSICS, APPLIED

Cryogenics Pub Date : 2024-08-14 DOI:10.1016/j.cryogenics.2024.103922

Jared Valois, Gregory Nellis, John Pfotenhauer

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引用次数: 0

摘要

在低温下运行的技术非常普遍，这就要求对用于维护这些系统的冷却系统进行精心设计。这项研究的重点是了解热源（被冷却的技术）和冷却源（低温冷却器）之间热路径的热性能。具体来说，这项工作通过测量常见热路径材料的热性能，重点是冲压触头的体积热导率和热接触电阻。提出并演示了利用这些测量结果优化螺栓连接触头的框架。

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Measurement of thermal contact resistance and the design of thermal contacts at cryogenic temperatures

The prevalence of technologies that operate at cryogenic temperatures requires that the cooling systems used to maintain these systems be carefully designed. This research focuses on understanding the thermal performance of the heat path between the heat source (the technology being cooled) and the cooling source (the cryocooler). Specifically, this work characterizes through measurement the thermal properties of common heat path materials, with a focus on bulk thermal conductivity and thermal contact resistance of pressed contacts. A framework for using these measurements to optimize a bolted contact is proposed and demonstrated.

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来源期刊

Cryogenics 物理-热力学

CiteScore

3.80

自引率

9.50%

发文量

审稿时长

2.1 months

期刊介绍： Cryogenics is the world''s leading journal focusing on all aspects of cryoengineering and cryogenics. Papers published in Cryogenics cover a wide variety of subjects in low temperature engineering and research. Among the areas covered are: - Applications of superconductivity: magnets, electronics, devices - Superconductors and their properties - Properties of materials: metals, alloys, composites, polymers, insulations - New applications of cryogenic technology to processes, devices, machinery - Refrigeration and liquefaction technology - Thermodynamics - Fluid properties and fluid mechanics - Heat transfer - Thermometry and measurement science - Cryogenics in medicine - Cryoelectronics