EAP - Proceedings of the Estonian Academy of Sciences

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proceedings
of the estonian academy of sciences

ISSN 1736-7530 (Electronic)
ISSN 1736-6046 (Print)

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Objective time derivatives in nonequilibrium thermodynamics; pp. 127–131

PDF | doi: 10.3176/proc.2008.3.02

Author

Péter Ván

Abstract

In this paper we outline a framework of a thermodynamic theory where objective time derivatives appear in a natural way. The entropy production of a single component fluid with a tensorial internal variable is calculated as an example. Dependence on material quantities leads to objective derivatives in the constitutive relations resulting in a new rheological model. The viscosity and the viscometric functions are calculated for simple shear.

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