Reports

Cryogenic Cooling by Noncondensible-Gas Injection

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Science  25 Jun 1965:
Vol. 148, Issue 3678, pp. 1721-1723
DOI: 10.1126/science.148.3678.1721

Abstract

Temperature control of various cryogenic liquids in the range from their boiling points to near or below their freezing points has been achieved by injecting a noncondensing gas, helium. The process is more easily accomplished than the usual vapor-pumping technique and is applicable in the range from 15° to 300°K. Interesting ice formations were observed in liquid argon.

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