Lightning dangers on corrugated tubing carrying hydrocarbons

In conducting analysis of systems that have failed as a result of lightning and transients, the authors have observed repeated incidences associated with corrugated flexible tubing. Corrugated stainless steel tubing is one of a group of flexible pipes used for low-pressure gas. This tubing is increa...

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Bibliographic Details
Main Authors: Durham, M O, Durham, R A
Format: Conference Proceeding
Language:English
Subjects:
Bonding
Corrugate Stainless Steel Tubing
Corrugated Flexible Tubing
Discharges
Earth
Goubau line
Grounding
Lightning
Materials
Steel
Transient analysis
Transients
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Summary:In conducting analysis of systems that have failed as a result of lightning and transients, the authors have observed repeated incidences associated with corrugated flexible tubing. Corrugated stainless steel tubing is one of a group of flexible pipes used for low-pressure gas. This tubing is increasingly used not only in processes, but in laboratory, warehouse and office facilities for distribution of heating gas. These products were designed with mechanical properties in mind. The design does not directly consider electrical characteristics; however, since these piping systems are constructed of conductive metals, they will have electrical properties. Despite the observed tendency of this piping to fail during lighting and transient events, there has been no coherent hypothesis for the phenomenon of corrugated flexible tubing failure due to lightning. This paper will address the electromagnetic response of these tubing systems. Ten electrical properties are correlated to the impact of lightning and transients on material such as corrugated tubing.
ISSN:0090-3507
2161-8127
DOI:10.1109/PCIC.2010.5666860