Il Nuovo Cimento D

, Volume 16, Issue 2, pp 189–203 | Cite as

Thermodynamic equilibrium in dielectric fluids

  • A. Barletta
  • E. Zanchini
Article

Summary

A rigorous deduction of the thermodynamic-equilibrium condition is provided for a homogeneous, uncharged and linear dielectric fluid contained in an electrostatic field. Contrary to the previous ones, this deduction does not postulate the existence of a mechanical stress tensor and of a body force density in the polarized fluid. Then, the equilibrium condition is employed to obtain the mass density distribution of the fluid and to present a correct proof of the well-known formula for the attractive force between the plates of a plane-parallel capacitor immersed in the fluid.

PACS 46.20

Continuum mechanics 

PACS 05.70

Thermodynamics 

PACS 41.10.Dq

Electrostatics magnetostatics 

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Copyright information

© Società Italiana di Fisica 1994

Authors and Affiliations

  • A. Barletta
    • 1
  • E. Zanchini
    • 1
  1. 1.Facoltà di IngegneriaIstituto di Fisica Tecnica dell'UniversitàBolognaItalia

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