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Calculation of the Static Permittivity of Suspensions from the Stored Energy

✍ Scribed by Constantino Grosse; Vladimir Nikolaievich Shilov

Publisher
Elsevier Science
Year
1997
Tongue
English
Weight
142 KB
Volume
193
Category
Article
ISSN
0021-9797

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✦ Synopsis

It is shown that the static permittivity of suspensions of charged particles in electrolyte solution can be deduced from the field-induced change of the Gibbs free energy stored outside the double layer. This energy is related to the changes of the electrolyte concentration around the particle and is obtained solving a purely static problem. The method is first verified deducing well-known results corresponding to suspensions of spherical particles. It is then used to calculate the static permittivity of suspensions of spheroidal particles, leading to a new result that cannot be analytically obtained using the classical approach. Copyright 1997 Academic Press. Copyright 1997Academic Press

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