AUTOMATED TEMPERATURE REGULATION SYSTEM FOR ADIABATIC DEMAGNETIZATION REFRIGERATORS

被引：7
|
作者：
BERNSTEIN, G
LABOV, S
LANDIS, D
MADDEN, N
MILLET, I
SILVER, E
RICHARDS, P
机构：
[1] UNIV CALIF BERKELEY LAWRENCE BERKELEY LAB,BERKELEY,CA 94720
[2] UNIV CALIF LAWRENCE LIVERMORE NATL LAB,LIVERMORE,CA 94550
[3] UNIV CALIF BERKELEY,DEPT PHYS,BERKELEY,CA 94720
来源：
CRYOGENICS | 1991年 / 31卷 / 02期
关键词：
MAGNETIC REFRIGERATOR; ADIABATIC DEMAGNETIZATION REFRIGERATOR; TEMPERATURE REGULATION;
D O I：
10.1016/0011-2275(91)90253-S
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
A temperature control system was constructed for an adiabatic demagnetization refrigerator operating between 50 mK and 4 K. The control algorithm is discussed and the system performance is presented. A temperature stability of 2-mu-K RMS at 100 mK has been maintained for more than 8 h. To improve the thermodynamic efficiency, the magnetic field is used as the control parameter, rather than resistive heating.
引用
收藏
页码：99 / 101
页数：3
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