主动磁蓄热式制冷氢液化

IF 2.1 3区工程技术 Q3 PHYSICS, APPLIED

Cryogenics Pub Date : 2025-09-28 DOI:10.1016/j.cryogenics.2025.104205

Koji Kamiya , Kyohei Natsume , Akira Uchida , Takenori Numazawa , Tsuyoshi Shirai , Akiko T. Saito , Koichi Matsumoto , Shinji Masuyama

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引用次数: 0

摘要

磁制冷是一种利用磁热效应的制冷方法。磁热效应通过改变磁矩来响应磁场的变化，从而引起温度的变化，从而消除了传统燃气冰箱中所看到的压缩工作的需要。这可以实现高效冷却，使其适用于低温气体的冷却和液化。在这项研究中，我们重点研究了一种能够在宽温度范围内工作的磁致冷（AMR）系统，并制造了一种用于氢液化的专用AMR系统。本研究开发的AMR的冷却功率为7.34 W，相对卡诺效率为60.5%。

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Hydrogen liquefaction by active magnetic regenerative refrigeration

Magnetic refrigeration is a cooling method that utilizes the magnetocaloric effect. The magnetocaloric effect induces temperature changes by varying the magnetic moment in response to changes in a magnetic field, eliminating the need for compression work as seen in conventional gas refrigerators. This enables high-efficiency cooling, making it suitable for cooling and liquefaction of cryogenic gases. In this study, we focused on an Active Magnetic Refrigeration (AMR) system, one of the magnetic refrigeration methods, capable of operating over a wide temperature range, and fabricated a dedicated AMR system for hydrogen liquefaction. The AMR developed in this study achieved a cooling power of 7.34 W and a relative Carnot efficiency of 60.5 %.

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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