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Transmission line meshes for computational simulation of electromagnetic modes in the Earth's atmosphere

Juan A. Morente (Department of Applied Physics, University of Granada, Granada, Spain)
Jorge A. Portí (Department of Applied Physics, University of Granada, Granada, Spain)
Cedric Blanchard (Department of Applied Physics, University of Granada, Granada, Spain)
Bruno P. Besser (Space Research Institute, Austrian Academy of Sciences, Graz, Austria)
Herbert I.M. Lichtenegger (Space Research Institute, Austrian Academy of Sciences, Graz, Austria)
Alfonso Salinas (Department of Electromagnetism and Material Physics, University of Granada, Granada, Spain)
Enrique A. Navarro (Department of Applied Physics, University of Valencia, Valencia, Spain)
Gregorio J. Molina‐Cuberos (Department of Physics, University of Murcia, Murcia, Spain)

COMPEL - The international journal for computation and mathematics in electrical and electronic engineering

ISSN: 0332-1649

Article publication date: 19 June 2007

305

Abstract

Purpose

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Two transmission line meshes to simulate electromagnetic waves in the Earth's atmosphere are developed, one with the link transmission lines connected in parallel and the other with connections in series.

Design/methodology/approach

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The equations describing propagation of waves through these parallel or series meshes are equivalent to the Maxwell equations for TEr or TMr modes in a spherical cavity with lossy dielectric material between the external conducting surfaces, respectively.

Findings

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The transmission line meshes are used for a numerical study of the natural electromagnetic noise due to lightning discharges in the Earth‐ionosphere cavity.

Originality/value

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The numerical algorithm finds values for Schumann resonances very close to the experimental ones, which allows us to affirm that this methodology is a valid numerical tool for predicting these resonances on other planets or moons as well.

Keywords

Citation

Morente, J.A., Portí, J.A., Blanchard, C., Besser, B.P., Lichtenegger, H.I.M., Salinas, A., Navarro, E.A. and Molina‐Cuberos, G.J. (2007), "Transmission line meshes for computational simulation of electromagnetic modes in the Earth's atmosphere", COMPEL - The international journal for computation and mathematics in electrical and electronic engineering, Vol. 26 No. 3, pp. 650-660. https://doi.org/10.1108/03321640710751127

Publisher

:

Emerald Group Publishing Limited

Copyright © 2007, Emerald Group Publishing Limited

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