Production Of Superfluid Helium Using A Joule-Thomson Expander

H. L. Gier

doi:10.1117/12.944997

1 February 1985 Production Of Superfluid Helium Using A Joule-Thomson Expander

H. L. Gier

Proceedings Volume 0509, Cryogenic Optical Systems and Instruments I; (1985) https://doi.org/10.1117/12.944997
Event: 28th Annual Technical Symposium, 1984, San Diego, United States

Abstract

Production of superfluid (4HeII) helium from a reservoir of supercritical helium offers an option in the cooling of instruments and the transfer of helium in a low-g environment. The problem with small Joule-Thomson Expanders (JTX) has been a tendency toward the plugging of capillary expanders. A JTX has been designed using porous plugs as expander elements to reduce the potential for plugging. Superfluid helium has been produced continuously for an hour and a half using unfiltered liquid helium.

Citation Download Citation

H. L. Gier "Production Of Superfluid Helium Using A Joule-Thomson Expander", Proc. SPIE 0509, Cryogenic Optical Systems and Instruments I, (1 February 1985); https://doi.org/10.1117/12.944997

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