CRYOGENICS.SUJINR Dubna, KIREE and PGPI RAS Moskow
IAP RAS N. Novgorod,KPNPI RAS Gatchina |
cryogenic equipment |
An Autonomous Sorption Refrigerator with helium-3 for cooling to 0.3KA two-stage refrigerator with sorption evacuation of 4He and 3He is proposed. The apparatus needs no external pumps or gas lines. The refrigerator is constructed in the form of an insert 80 mm in diameter immersed in a helium cryostat and ensures a sample temperature of 0.31 K for 20 h after the condensation of 3He at a useful heat load of 10-6W. The recycling time is 0.5 h.
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