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ON THE INFLUENCE OF CHANNEL TORTUOSITY ON ELECTRIC FIELDS GENERATED BY LIGHTNING RETURN STROKES AT CLOSE DISTANCE

By C. Petrarca, S. Minucci, and A. Andreotti

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Abstract:
In this paper the results of the estimated electric field associated with tortuous lightning paths at close distance (50 m to 500 m) are shown. Such results are compared with experimental data available in the literature and are illustrated along with a quantitative analysis of the field waveforms and their frequency spectra. The limits of the usual straight-vertical channel assumption and the influence of tortuosity at different azimuth and distances from the lightning channel base are also highlighted.

Citation:
C. Petrarca, S. Minucci, and A. Andreotti, "On the Influence of Channel Tortuosity on Electric Fields Generated by Lightning Return Strokes at Close Distance," Progress In Electromagnetics Research B, Vol. 74, 61-75, 2017.
doi:10.2528/PIERB17012701

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