NDLI: Modelling of Direct-Strike Lightning Coupling by a Transfer Function Technique

Content Provider	Semantic Scholar
Author	Auckland, David T. Wallenberg, Raoul Birken, John A.
Copyright Year	1983
Abstract	Abstract : A transfer function approach is applied to the problem of lightning coupling into internal aircraft avionic circuits. This approach allows a systematic procedure for determining transient levels induced on interior aircraft circuits due to exterior interference fields such as those caused by nearby or direct-strike lightning. Unique in the approach used here is the use of a triangular patch model for the exterior surface of the aircraft with all points of entry (POEs) closed. A moment method procedure is then used to find the short circuit skin current in the frequency domain. This current interacts with all the POEs, described by either measured or theoretically calculated transfer functions, in a secondary interaction problem to create interior penetrating fields. These interior fields are used to derive distributed voltage and current sources which excite a transmission line model of a wire harness or cable bundle. Further levels of coupling are indicated along with their concomitant transfer functions.
File Format	PDF HTM / HTML
Alternate Webpage(s)	http://www.dtic.mil/dtic/tr/fulltext/u2/p002174.pdf
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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