On the definition of the excess permittivity of a fluid mixture. III: Dependence on frequency

•The complex permittivity of ideal fluid mixtures is obtained.•A molecular point of view is employed in this approach.•The ideal complex permittivity is a volume-fraction weighted average of the component complex permittivities. In a previous work it was demonstrated that the ideal static permittivi...

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Bibliographic Details
Published in:The Journal of chemical thermodynamics 2016-05, Vol.96, p.208-209
Main Authors: Iglesias, T.P., Reis, João Carlos R.
Format: Article
Language:English
Subjects:
Complex permittivity
Dielectric constant
Excess complex permittivity
Fluid dynamics
Fluid flow
Fluid mixtures
Fluids
Permittivity
Theoretical models
Thermodynamics
Volume fraction
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Summary:•The complex permittivity of ideal fluid mixtures is obtained.•A molecular point of view is employed in this approach.•The ideal complex permittivity is a volume-fraction weighted average of the component complex permittivities. In a previous work it was demonstrated that the ideal static permittivity of a fluid is, in general, a combination of the static permittivities of the components weighted by their volume fractions in the mixture. In this work, those results are generalized and, following a similar demonstration, it is shown that the ideal complex permittivity is a combination of the component complex permittivities weighted by their volume fractions in the mixture.
ISSN:0021-9614
1096-3626
DOI:10.1016/j.jct.2015.12.035