The increased flammability of metallic materials burning in reduced gravity
Lynn, David Benjamin, Plagens, Owen, Castillo, Martin, Paulos, Todd, & Steinberg, Ted (2010) The increased flammability of metallic materials burning in reduced gravity. In Proceedings of the 4th International Association for the Advancement of Space Safety Conference : Making Safety Matter, International Association for the Advancement of Space Safety, Braun Center, Huntsville, Alabama.
Data generated in a normal gravity environment is often used in design and risk assessment for reduced gravity applications. It has been clearly demonstrated that this is a conservative approach for non-metallic materials which have been repeatedly shown to be less flammable in a reduced gravity environment. However, recent work has demonstrated this is not true for metallic materials. This work, conducted in a newly completed drop tower observed a significant increase in both lowest burn pressure and burn rate in reduced gravity. Hence the normal gravity qualification of a metallic materials’ lowest burn pressure or burn rate for reduced-gravity or space-based systems is clearly not conservative. This paper presents a summary of this work and the results obtained for several metallic materials showing an increased flammability and burn rate for a range of oxygen pressures, and discusses the implications of this work on the fire-safety of space-based systems.
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|Item Type:||Conference Paper|
|Keywords:||Reduced Gravity, Flammability, Combustion, Metals, Space|
|Subjects:||Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > MECHANICAL ENGINEERING (091300)|
Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > AEROSPACE ENGINEERING (090100)
|Divisions:||Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering|
Past > Schools > School of Engineering Systems
|Copyright Owner:||Copyright 2010 [please consult the authors]|
|Deposited On:||06 May 2010 08:33|
|Last Modified:||22 Feb 2013 14:52|
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