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Properly calculate vessel and piping wall temperatures during depressuring and relief

Determining if and when a vessel and/or piping component is going to fail under fire exposure and/or from cold temperature embrittlement is an important factor in consequence analysis and risk assessment. This article describes detailed methods for establishing the conditions for vessel/piping failu...

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Bibliographic Details
Published in:Process safety progress 2015-03, Vol.34 (1), p.64-71
Main Authors: Melhem, Georges A., Gaydos, David
Format: Article
Language:English
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Summary:Determining if and when a vessel and/or piping component is going to fail under fire exposure and/or from cold temperature embrittlement is an important factor in consequence analysis and risk assessment. This article describes detailed methods for establishing the conditions for vessel/piping failure and whether the material of construction for vessels and piping is properly selected for fire exposure and/or cold depressuring/relief. Several case studies are used to illustrate important concepts dealing with how wall temperatures should be calculated for single and multiphase systems in order to establish if a vessel and/or a piping component is going to fail. © 2014 American Institute of Chemical Engineers Process Saf Prog 34: 64–71, 2015
ISSN:1066-8527
1547-5913
DOI:10.1002/prs.11689