Title Investigation of the electric field of the plane capacitor with round hole /
Another Title Plokščiojo kondensatoriaus kiaurymės elektrinio lauko tyrimas.
Authors Bansevicius, R ; Virbalis, J.A
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Is Part of Elektronika ir elektrotechnika.. Kaunas : Technologija. 2004, Nr. 5, p. 9-14.. ISSN 1392-1215. eISSN 2029-5731
Abstract [eng] The round hole of the plain capacitor, filled by electrorheological fluid ERF can be applied for construction of the valves controlling by electric field. It is important to know distribution of electric field in the hole, when the difference between the plates of capacitor is created. The electric field of hole was investigated using finite element method. The two- and three-dimensional models were used. The modelling results confirm analytical expressions obtained previously for calculation of electric field strength on the axis of hole and in any point of hole. The capacitive circuit was presented for evaluation of influence of permittivities of dielectric between the plates and ERF to the strength of electric field in the hole. The dielectric material between the plates of capacitor fractionally amplifies the field of hole. But the field of hole decreases with increment of ERF permittivity. The dependences of electric field strength on the distance at axis in several layers of hole are presented. The approximated expressions are obtained for calculation of value and direction of electric field strength in any point of hole, if relative permittivity of ERF is in interval 1-7. The field of hole of multilayer capacitor with opposite fields was investigated. The field in any layer of such capacitor is lesser than in analogical monolayer capacitor. The field in one layer of multilayer capacitor can be amplified in comparison with monolayer capacitor, if the difference of potentials is connected to alone layer only.
Published Kaunas : Technologija
Type Journal article
Language English
Publication date 2004
CC license CC license description