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在约80K温度下提供制冷的单级斯特林制冷机已开发在空间应用,现正进行商品化生产。目前的工作集中在研制温度在30K以下的多级制冷机。本文介绍了英国RutherfordAppleton实验室研制的两级制冷机的初步试验结果及进一步研制闭循环4K制冷机的工作情况。
Single-stage Stirling refrigerators that provide refrigeration at about 80K have been developed for space applications and are being commercialized. The current work focused on the development of temperature below 30K in the multi-stage refrigerator. This paper presents the preliminary results of a two-stage refrigerator developed by Rutherford Appleton Laboratory in the United Kingdom and the further development of a closed cycle 4K refrigerator.