Determination of the striking distance of a lightning rod using finite element analysis

Bakar, Ab Halim Abu and Zainal Abidin, A. and Illias, Hazlee Azil and Mokhlis, Hazlie and Halim, S.A. and Hassan, N.H.N. and Tan, Chia Kwang (2016) Determination of the striking distance of a lightning rod using finite element analysis. Turkish Journal of Electrical Engineering and Computer Sciences, 24 (5). pp. 4083-4097. ISSN 1300-0632, DOI

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The problems related to electromagnetic waves transmitted by lightning strikes can be studied through physical lightning models based on laboratory results. The main concern of these models is determining the striking distance between the leader tip and the lightning rod during lightning occurrences. The striking distance is a significant factor in designing the lightning protection system. However, models using finite element analysis (FEA) for this purpose are less likely to be found in the literature. Therefore, in this work, a geometry model of a lightning rod and leader was developed using available FEA software. The model was used to determine the striking distance for different lightning rod heights. The results obtained were compared with those of previous research using different methods to validate the models developed using FEA software. From the comparison, the striking distance obtained from the FEA software as a function of lightning rod height was in good agreement compared to other methods from previous research. The use of FEA software also enables the effect of different tip radii of curvature and shapes of the lightning rod on striking distance to be studied, which can further enhance our understanding of the relationship between striking distance and different rod parameters.

Item Type: Article
Funders: alaysian Ministry of Education (MOE) and University of Malaya, Malaysia: FRGS research grant (grant no: FP026-2012A)
Uncontrolled Keywords: Striking distance; Nite element analysis; COMSOL
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Engineering
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 20 Oct 2017 03:28
Last Modified: 10 Oct 2019 02:35

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