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  • Title: Temperature-difference-driven mass transfer through the vapor from a cold to a warm liquid.
    Author: Struchtrup H, Kjelstrup S, Bedeaux D.
    Journal: Phys Rev E Stat Nonlin Soft Matter Phys; 2012 Jun; 85(6 Pt 1):061201. PubMed ID: 23005078.
    Abstract:
    Irreversible thermodynamics provides interface conditions that yield temperature and chemical potential jumps at phase boundaries. The interfacial jumps allow unexpected transport phenomena, such as the inverted temperature profile [Pao, Phys. Fluids 14, 306 (1971)] and mass transfer from a cold to a warm liquid driven by a temperature difference across the vapor phase [Mills and Phillips, Chem. Phys. Lett. 372, 615 (2002)]. Careful evaluation of the thermodynamic laws has shown [Bedeaux et al., Physica A 169, 263 (1990)] that the inverted temperature profile is observed for processes with a high heat of vaporization. In this paper, we show that cold to warm mass transfer through the vapor from a cold to a warm liquid is only possible when the heat of evaporation is sufficiently small. A necessary criterium for the size of the mass transfer coefficient is given.
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