Study on the pre-ignition temperature variations of wire insulation under overload conditions in microgravity by the functional simulation method

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DOIResolve DOI: http://doi.org/10.1177/0734904113511947
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TypeArticle
Journal titleJournal of Fire Sciences
ISSN1530-8049
Volume32
Issue3
Pages257280; # of pages: 24
SubjectIgnition; Microgravity; Microgravity processing; Temperature distribution; Wire; Functional simulations; Microgravity environments; Overload condition; Temperature variation; Thermal features; weak buoyant environment; Wire insulation; Wire-heating process; Thermal insulation
AbstractA functional simulation method was applied to study the pre-ignition temperature variations of wire insulation under overload conditions in normal gravity. A simplified heating mode was proposed to theoretically investigate the wire heating process. Results of the temperature variations of wire insulation prior to ignition in normal gravity, but under reduced pressures, were obtained and compared with microgravity experimental results in order to investigate the effects of pressure and current on the pre-ignition thermal features of the wire insulation. Results show that the functional simulation method was effective to simulate the natural convection heat transfer effect on the wire insulation, which is a useful alternative approach to predict the pre-ignition thermal features of wire insulation by overload over a long duration in a microgravity environment. © The Author(s) 2013.
Publication date
LanguageEnglish
AffiliationNational Research Council Canada (NRC-CNRC); Measurement Science and Standards (MSS-SME)
Peer reviewedYes
NPARC number21272115
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Record identifierf8170b80-0e1b-43f0-bb3f-f346d96d0f41
Record created2014-07-23
Record modified2016-05-09
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