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Title: Electric and Magnetic Fields of two Infinitely Long Parallel Cylindrical Conductors Carrying a DC Current
Authors: Engelen, Kristof
Jacqmaer, Pieter ×
Driesen, Johan #
Issue Date: 3-Jul-2012
Host Document: Proceedings of La 7ème Conférence Européenne sur les Méthodes Numériques en Electromagnétisme (NUMELEC 2012)
Conference: La 7ème Conférence Européenne sur les Méthodes Numériques en Electromagnétisme (NUMELEC 2012) edition:7 location:Marseille, France date:3-5 July 2012
Abstract: This paper calculates the electric and magnetic fields and the Poynting vector around two infinitely long parallel cylindrical conductors, carrying a DC current. Also the charges on the surface of the wire are calculated, and their distribution is visualized. The wire is assumed to be perfectly electrically conducting. Furthermore, the Hall effect is ignored. In literature, the problem of determining the electric field is usually tackled using an equivalent model consisting of two line charge densities, producing the same electric field. In this work, the Laplace equation is rigorously solved. The authors found no work explaining the solution of the Laplace equation with boundary conditions for this problem and hence thought it was useful to dedicate a paper to this topic. The method of separation of variables is employed and a bipolar coordinate system is used. After solving the appropriate Sturm-Liouville problems, the scalar potential is obtained. Taking the gradient yields the electric field.
Publication status: published
KU Leuven publication type: IMa
Appears in Collections:ESAT - ELECTA, Electrical Energy Computer Architectures
× corresponding author
# (joint) last author

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