Assessing post-fire combustion of polyurethane
Abstract
In defining hypothetical accident condition thermal test requirements, 10 CFR 71.73(c)(3) states that ``any combustion of materials of construction must be allowed to proceed until it terminates naturally.`` Two examples of extended burning of packages following the regulatory fire are documented. This paper addresses extended burning after cessation of the 30-min, 1475{degrees}F regulatory fire from an analytical perspective with specific application to a package containing polyurethane insulation. Issues include identifying conditions under which materials of construction bum, estimating burn rate, and establishing criteria for cessation of burning. These data and criteria are then applied to determine package temperature profiles using a finite element model. Development of the illustrative problem demonstrates a number of difficulties that are faced when using analytical models to simulate hypothetical thermal accident conditions.
- Authors:
- Publication Date:
- Research Org.:
- Oak Ridge National Lab., TN (United States)
- Sponsoring Org.:
- USDOE, Washington, DC (United States)
- OSTI Identifier:
- 10148842
- Report Number(s):
- CONF-9405109-6
ON: DE94011461
- DOE Contract Number:
- AC05-84OR21400
- Resource Type:
- Conference
- Resource Relation:
- Conference: Department of Energy defense programs packaging workshop,Knoxville, TN (United States),16-19 May 1994; Other Information: PBD: [1994]
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 37 INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY; 99 GENERAL AND MISCELLANEOUS//MATHEMATICS, COMPUTING, AND INFORMATION SCIENCE; POLYURETHANES; COMBUSTION; MATHEMATICAL MODELS; COMBUSTION KINETICS; HEAT TRANSFER; FINITE ELEMENT METHOD; MASS TRANSFER; 400800; 990200; COMBUSTION, PYROLYSIS, AND HIGH-TEMPERATURE CHEMISTRY; MATHEMATICS AND COMPUTERS
Citation Formats
Williams, W R, and Anderson, J C. Assessing post-fire combustion of polyurethane. United States: N. p., 1994.
Web.
Williams, W R, & Anderson, J C. Assessing post-fire combustion of polyurethane. United States.
Williams, W R, and Anderson, J C. Sun .
"Assessing post-fire combustion of polyurethane". United States. https://www.osti.gov/servlets/purl/10148842.
@article{osti_10148842,
title = {Assessing post-fire combustion of polyurethane},
author = {Williams, W R and Anderson, J C},
abstractNote = {In defining hypothetical accident condition thermal test requirements, 10 CFR 71.73(c)(3) states that ``any combustion of materials of construction must be allowed to proceed until it terminates naturally.`` Two examples of extended burning of packages following the regulatory fire are documented. This paper addresses extended burning after cessation of the 30-min, 1475{degrees}F regulatory fire from an analytical perspective with specific application to a package containing polyurethane insulation. Issues include identifying conditions under which materials of construction bum, estimating burn rate, and establishing criteria for cessation of burning. These data and criteria are then applied to determine package temperature profiles using a finite element model. Development of the illustrative problem demonstrates a number of difficulties that are faced when using analytical models to simulate hypothetical thermal accident conditions.},
doi = {},
url = {https://www.osti.gov/biblio/10148842},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1994},
month = {5}
}