NASA NTRS · 19890000064
Phase Separators And Fountain-Effect Pumps For He 11
Abstract
Fused-glass microchannel arrays for use as HE 11 phase separators and fountain-effect pumps. Microchannel devices for use in low-gravity storage and cooling systems containing superfluid helium. Phase separators and pumps take advantage of thermomechanical effect peculiar to He 11 in restricted spaces. By creating thermal gradient in porous plug, direction of flow reversed, turning phase separator into pump. However, addition of heat disadvantage. Thermal gradient created by using Peltier effect to transfer heat across array, removing heat from He 11 supply and overcoming undesirable addition of heat.
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Whitehouse, Paul L.. 1989-02-01. Phase Separators And Fountain-Effect Pumps For He 11. https://ntrs.nasa.gov/citations/19890000064
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