Thermodynamics of dielectric systems depending upon three variables

In a previous paper, a thermodynamic examination of magnetic fluids was conducted and the obtained relations were compared with the relations usually applied to fluids. Three independent variables were considered in the general formulation. The aim of this paper is to examine, in a similar way, diel...

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Bibliographic Details
Published in:Energy conversion and management 2000-09, Vol.41 (14), p.1467-1483
Main Authors: Bisio, G., Rubatto, G.
Format: Article
Language:English
Subjects:
Applied sciences
Dielectric systems
Electric condensers
Electric “Curie temperature”
Energy
Equipments, installations and applications
Exact sciences and technology
Ferroelectricity
Natural energy
Solar electric energy conversion
Solar energy
Solar thermal conversion
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Summary:In a previous paper, a thermodynamic examination of magnetic fluids was conducted and the obtained relations were compared with the relations usually applied to fluids. Three independent variables were considered in the general formulation. The aim of this paper is to examine, in a similar way, dielectric systems (gases, liquids and solids) considering three independent variables in the general case. The independent variables can be assumed as only two, when the volume is practically constant. In some ranges of temperature, various dielectrics present a dependence of the electric field strength upon temperature, similar to that of magnetization (Curie’s law); this case also is studied. Quasi-static irreversible processes with uniform intensive properties are considered.
ISSN:0196-8904
1879-2227
DOI:10.1016/S0196-8904(00)00009-1