In this paper we extend previous results on the effective thermal conductivity of liquid helium II in cylindrical channels to rectangular channels with high aspect ratio. The aim is to compare the results in the laminar regime, the turbulent regime and the ballistic regime, all of them obtained within a single mesoscopic formalism of heat transport, with heat flux as an independent variable.
Sciacca, M., Galantucci, L. (2016). Effective thermal conductivity of superuid helium: Laminar, turbulent and ballistic regimes. COMMUNICATIONS IN APPLIED AND INDUSTRIAL MATHEMATICS, 7(2), 111-129 [10.1515/caim-2016-0009].
Effective thermal conductivity of superuid helium: Laminar, turbulent and ballistic regimes
SCIACCA, Michele;
2016-01-01
Abstract
In this paper we extend previous results on the effective thermal conductivity of liquid helium II in cylindrical channels to rectangular channels with high aspect ratio. The aim is to compare the results in the laminar regime, the turbulent regime and the ballistic regime, all of them obtained within a single mesoscopic formalism of heat transport, with heat flux as an independent variable.
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