Abstract
A continuum description of multiphase flows, in which excess physical quantities associated with phase interfaces and the three-phase contact line are incorporated, is briefly presented. A thermodynamic analysis, based on the Müller–Liu thermodynamic approach of the second law of thermodynamics, is performed to derive the expressions of the constitutive variables in thermodynamic equilibrium. Non-equilibrium responses are proposed by use of a quasi-linear theory. A set of constitutive equations for the surface and line constitutive quantities is postulated. Some restrictions for the emerging material parameters are derived by means of the minimum conditions of the surface and line entropy productions in thermodynamic equilibrium. Hence, a complete continuum mechanical model to describe excess surface and line physical quantities is formulated.
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Communicated by Andreas Öchsner.
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Wang, Y., Oberlack, M. & Zieleniewicz, A. Constitutive modeling of multiphase flows with moving interfaces and contact line. Continuum Mech. Thermodyn. 25, 705–725 (2013). https://doi.org/10.1007/s00161-012-0269-2
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DOI: https://doi.org/10.1007/s00161-012-0269-2