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Conditions for the onset of vaporization in superfluid liquid He II in the presence of heat flow

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Studies of the vaporization onset associated with heat flow are used as a tool to probe the superfluid thermohydrodynamics during entropy transport. Onset-flux-density data of the heat flow suggest that the normal fluid viscous force dominates during entropy transport from a single source (strip) to bulk He II over a layer of thickness 10−4 cm (upper bound) or less.

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Work supported by the National Science Foundation.

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Chapman, R.C. Conditions for the onset of vaporization in superfluid liquid He II in the presence of heat flow. J Low Temp Phys 4, 485–488 (1971). https://doi.org/10.1007/BF00631127

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  • Entropy
  • Heat Flow
  • Magnetic Material
  • Single Source
  • Viscous Force