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本文描述了以新型磁性蓄冷材料Er_3Ni为二级蓄冷器填料的双级G—M型制冷机在不同转速下的实验结果及和常规材料Pb为二级蓄冷器填料的双级G一M型制冷机的性能比较。该制冷机的二级最低温度为;60rpm时,6.1K;48rpm时,5.4K;36rpm时,最低温度出现了4.28K的峰值.
This paper describes the experimental results of a two-stage G-M refrigerator with a new type of magnetic storage material Er_3Ni as a secondary regenerator and two-stage G-M refrigeration with conventional material Pb as secondary regenerator packing Machine performance comparison. The minimum secondary temperature of the refrigerator was 6.1 K at 60 rpm, 5.4 K at 48 rpm and 4.28 K at the minimum temperature of 36 rpm.