Cryogenic design of the liquid helium experiment 'critical dynamics in microgravity

M. J. Adriaans, W. A. Moeurt, S. T.P. Boyd, D. M. Strayer, R. V. Duncan

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

Although many well-controlled experiments have been conducted to measure the static properties of systems near criticality, few experiments have explored the transport properties in systems driven far away from equilibrium as a phase transition occurs. The cryogenic design of an experiment to study the dynamic aspect of critical phenomena is reported here. Measurements of the thermal gradient across the superfluid (He II)-normal fluid (He I) interface in helium under microgravity conditions will be performed as a heat flux holds the system away from equilibrium. New technologies are under development for this experiment, which is in the definition phase for a space shuttle flight.

Original languageEnglish
Pages (from-to)787-794
Number of pages8
JournalCryogenics
Volume36
Issue number10
DOIs
StatePublished - 1996

Keywords

  • Critical phenomena
  • Lambda transition
  • Microgravity
  • Superfluid helium

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