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Quantitative Ratio of Heat Flows Due to Second Sound to Dissipation in Superfluid 3He-4He Mixtures

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Abstract

In this paper we compare two hydrodynamic modes in superfluid 3He-4He mixtures, focusing on which mode gives greater contribution to propagation of heat in superfluid liquids. Starting from the two-fluid hydrodynamic model, the quantitative contributions of second sound mode and dissipative thermal conductivity mode to the total heat flow are studied. The problem is considered in a cell with heat source of a form Q 0cos2(ωt) at one side. Analytical expressions for space-time temperature and heat flow dependence are obtained and discussed.

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Authors and Affiliations

  1. Karazin Kharkiv National University, 61077, Kharkiv, Ukraine

    K. Nemchenko & S. Rogova

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  1. K. Nemchenko
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  2. S. Rogova
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Correspondence to S. Rogova.

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Nemchenko, K., Rogova, S. Quantitative Ratio of Heat Flows Due to Second Sound to Dissipation in Superfluid 3He-4He Mixtures. J Low Temp Phys 175, 85–90 (2014). https://doi.org/10.1007/s10909-013-0973-8

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  • DOI: https://doi.org/10.1007/s10909-013-0973-8

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