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Heat flow induced pressure drop through superfluid helium (He II) contained in porous media is examined. In this experiment, heat was applied to one side of a He II column containing a random pack of uniform size polyethylene spheres. Measured results include steady state pressure drops across the random packs of spheres (nominally 35μm, 49μm, and 98μm diameter) for different heat inputs. Laminar,...
Heat flow through superfluid helium (He II) contained in porous media is examined. In particular, heat transfer experiments were performed on He II contained in a bed of polyethylene spheres of uniform size arranged in random packs. Measured results include the steady state temperature drops across the three random packs of spheres (35, 49, and 98μm diameter) and the associated steady heat inputs...
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