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Lightning current and voltage distribution of large axially symmetric Buddhist stupa in Sri Lanka


Citation

Gomes, Chandima and Ab Kadir, Mohd Zainal Abidin and Izadi, Mahdi and Gomes, Ashen (2014) Lightning current and voltage distribution of large axially symmetric Buddhist stupa in Sri Lanka. In: 2014 International Conference on Lightning Protection (ICLP), 11-18 Oct. 2014, Shanghai, China. (pp. 1637-1651).

Abstract

This is one of the first scientific investigations on lightning current and voltage distribution along Buddhist Stupa in Sri Lanka and elsewhere. Such distribution provide vital information on lightning safety concerns of people and objects outside the structure as the building is totally sealed. The metal casket of which the block of quartz is installed at the pinnacle of the Stupa, may act as the point of interception with lightning stepped leader. Large hem i-spherically symmetric outer structure of the Stupa causes uniform distribution of current over its surface. Such distribution yields very low current density thus possibilities of side flashing or localized heating are minimized. Structure of the Stupa was analyzed as a collection of lumped circuit elements using MatLab and SimuLink software to show that there will be no dangerous potentials developed within possible arcing range to the surrounding, in the application of impulse current. Thinly distributed current, driven into the deeply laid foundation of the structure, prevents development of significant step potentials in the vicinity that could pose danger to the devotees.


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Additional Metadata

Item Type: Conference or Workshop Item (Paper)
Divisions: Faculty of Engineering
DOI Number: https://doi.org/10.1109/ICLP.2014.6973392
Publisher: IEEE
Keywords: Lightning; Hazard prevention; Side flashing; Human safety; Step potential
Depositing User: Nabilah Mustapa
Date Deposited: 04 Aug 2020 02:31
Last Modified: 04 Aug 2020 02:31
Altmetrics: http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.1109/ICLP.2014.6973392
URI: http://psasir.upm.edu.my/id/eprint/44730
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