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- Title
Inconsistency between the micropolar theory and non-equilibrium thermodynamics in the case of polar fluids.
- Authors
Stephanou, Pavlos S.
- Abstract
The balance equation of angular momentum in anisotropic fluids includes a couple stress contribution, also responsible for an antisymmetric contribution to the force stress tensor. We herein derive all balance equations for the simplest anisotropic fluid, i.e., a polar fluid, using the GENERIC formalism of non-equilibrium thermodynamics. In doing so, we find that there is an inconsistency between the internal energy density evolution equation derived using non-equilibrium thermodynamics and the one usually considered in micropolar theory.
- Subjects
ANGULAR momentum (Mechanics); NONEQUILIBRIUM thermodynamics; STRAINS &; stresses (Mechanics); HYDRAULIC couplings; FLUIDS; EVOLUTION equations
- Publication
Journal of Non-Equilibrium Thermodynamics, 2024, Vol 49, Issue 3, p335
- ISSN
0340-0204
- Publication type
Article
- DOI
10.1515/jnet-2023-0106