NDLI: Modeling the lightning earth flash return stroke for studying its effects on engineering systems

Content Provider	IEEE Xplore Digital Library
Author	Ratnamahilan, P. Hoole, P.R.P.
Copyright Year	1965
Abstract	A self-consistent mathematical model for predicting the lightning return stroke current and the potential profiles along the lightning channel is presented. The currents calculated from the model may be used to determine the effects of direct hits on systems. Procedures are also given for computing lightning radiated electromagnetic pulses. Knowing these radiated fields from computation, their interaction with engineering systems may also be studied. The computer simulator of the lightning flash reported is a reliable tool to characterize the critical electromagnetic environment which lightning generates. An analytical solution for a diffusion model of the return stroke is also examined. It is shown that such a model will give a grossly erroneous current at the earth end and that, contrary to observations, the current and velocity of the return stroke rapidly decay. The model adequately accounts for the plasma and electromagnetic phenomena associated with the return stroke.<>
Sponsorship	IEEE Magnetics Society
Starting Page	1839
Ending Page	1844
Page Count	6
File Size	713176
File Format	PDF
ISSN	00189464
Volume Number	29
Issue Number	2
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1993-03-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Lightning Earth Electromagnetic radiation Mathematical model EMP radiation effects Reliability engineering Systems engineering and theory Computational modeling Computer simulation Character generation
Content Type	Text
Resource Type	Article
Subject	Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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