Cooling to tempeatures in the millikelvin range could be beneficial as a means of reducing noise and increasing sensitivity of instruments in certain experiments and measurements that are being considered for future space missions. The possibility of using a He3-He4 dilution refrigerator for the purpose is explored in this paper. Calculations reported here indicate that electrostriction can be substituted for gravity as a practical means of achieving phase separation with well-defined interfaces in mixing chambers of dilution refrigerators operating aboard spacecraftt.
Can He3 - He4 dilution refrigerators operate aboard spacecraft?
Koennen He3-He4-Entmischungskryostaten an Bord von Raumfahrzeugen arbeiten?
Cryogenics ; 22 , 2 ; 59-62
1982
4 Seiten, 16 Quellen
Article (Journal)
English
Electrically driven 4He-circulating dilution refrigerator for cooling aboard spacecraft
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