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Boundary integral equation method in the prediction of dielectric characteristics of humidified composite insulator glass–epoxy core

S Orlowska1, A Beroual1 and J Fleszynski2

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This paper deals with the analysis of the influence of moisture on the dielectric properties of a composite insulator core made of epoxy resin and fibre glass, through measurements of the effective permittivity. The experiments are carried out on different core samples—dry and boiled in distilled water over different time intervals. The measured values of the complex permittivity of the core samples are discussed in the light of the results obtained by a numerical approach based on the boundary integral equation method and the PHI3D package. The comparison of the experimental and simulated results aims at finding the water content in the fibre glass.


PACS

77.22.Ch Permittivity (dielectric function)

85.50.-n Dielectric, ferroelectric, and piezoelectric devices

81.05.Kf Glasses (including metallic glasses)

02.30.Rz Integral equations

77.84.Jd Polymers; organic compounds

Subjects

Soft matter, liquids and polymers

Mathematical physics

Electronics and devices

Condensed matter: electrical, magnetic and optical

Condensed matter: structural, mechanical & thermal

Dates

Issue 5 (7 March 2004)

Received 12 May 2003

Published 11 February 2004



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