2020
DOI: 10.1515/jnet-2019-0055
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Constitutive Relations of Thermal and Mass Diffusion

Abstract: Non-equilibrium thermodynamics provides a general framework for the description of mass and thermal diffusion, thereby including also cross-thermal and material diffusion effects, which are generally modeled through the Onsager coupling terms within the constitutive equations relating heat and mass flux to the gradients of temperature and chemical potential. These so-called Soret and Dufour coefficients are not uniquely defined, though, as they can be derived by adopting one of the several constitutive relatio… Show more

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Cited by 6 publications
(1 citation statement)
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“…for γ ′ Li = 1∀c Li ) and in dilute conditions (i.e. for cLi → 0 and cLi → 1), so that its corresponding flux expression (equation ( 19)) reduces to Fick law (equation ( 20)) in such conditions [42,43,74]. Further benefits from using equation (19) and D III will become evident in the Results section.…”
Section: Functional Forms Of LI Transport and Diffusion Coefficient C...mentioning
confidence: 99%
“…for γ ′ Li = 1∀c Li ) and in dilute conditions (i.e. for cLi → 0 and cLi → 1), so that its corresponding flux expression (equation ( 19)) reduces to Fick law (equation ( 20)) in such conditions [42,43,74]. Further benefits from using equation (19) and D III will become evident in the Results section.…”
Section: Functional Forms Of LI Transport and Diffusion Coefficient C...mentioning
confidence: 99%