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Title: Validation of Heat Transfer Thermal Decomposition and Container Pressurization of Polyurethane Foam.

Abstract

Polymer foam encapsulants provide mechanical, electrical, and thermal isolation in engineered systems. In fire environments, gas pressure from thermal decomposition of polymers can cause mechanical failure of sealed systems. In this work, a detailed uncertainty quantification study of PMDI-based polyurethane foam is presented to assess the validity of the computational model. Both experimental measurement uncertainty and model prediction uncertainty are examined and compared. Both the mean value method and Latin hypercube sampling approach are used to propagate the uncertainty through the model. In addition to comparing computational and experimental results, the importance of each input parameter on the simulation result is also investigated. These results show that further development in the physics model of the foam and appropriate associated material testing are necessary to improve model accuracy.

Authors:
; ; ; ;
Publication Date:
Research Org.:
Sandia National Lab. (SNL-CA), Livermore, CA (United States); Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Sponsoring Org.:
USDOE National Nuclear Security Administration (NNSA)
OSTI Identifier:
1158664
Report Number(s):
SAND2014-17867
537630
DOE Contract Number:  
AC04-94AL85000
Resource Type:
Technical Report
Country of Publication:
United States
Language:
English

Citation Formats

Scott, Sarah Nicole, Dodd, Amanda B., Larsen, Marvin E., Suo-Anttila, Jill M., and Erickson, Kenneth L. Validation of Heat Transfer Thermal Decomposition and Container Pressurization of Polyurethane Foam.. United States: N. p., 2014. Web. doi:10.2172/1158664.
Scott, Sarah Nicole, Dodd, Amanda B., Larsen, Marvin E., Suo-Anttila, Jill M., & Erickson, Kenneth L. Validation of Heat Transfer Thermal Decomposition and Container Pressurization of Polyurethane Foam.. United States. doi:10.2172/1158664.
Scott, Sarah Nicole, Dodd, Amanda B., Larsen, Marvin E., Suo-Anttila, Jill M., and Erickson, Kenneth L. Mon . "Validation of Heat Transfer Thermal Decomposition and Container Pressurization of Polyurethane Foam.". United States. doi:10.2172/1158664. https://www.osti.gov/servlets/purl/1158664.
@article{osti_1158664,
title = {Validation of Heat Transfer Thermal Decomposition and Container Pressurization of Polyurethane Foam.},
author = {Scott, Sarah Nicole and Dodd, Amanda B. and Larsen, Marvin E. and Suo-Anttila, Jill M. and Erickson, Kenneth L},
abstractNote = {Polymer foam encapsulants provide mechanical, electrical, and thermal isolation in engineered systems. In fire environments, gas pressure from thermal decomposition of polymers can cause mechanical failure of sealed systems. In this work, a detailed uncertainty quantification study of PMDI-based polyurethane foam is presented to assess the validity of the computational model. Both experimental measurement uncertainty and model prediction uncertainty are examined and compared. Both the mean value method and Latin hypercube sampling approach are used to propagate the uncertainty through the model. In addition to comparing computational and experimental results, the importance of each input parameter on the simulation result is also investigated. These results show that further development in the physics model of the foam and appropriate associated material testing are necessary to improve model accuracy.},
doi = {10.2172/1158664},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Mon Sep 01 00:00:00 EDT 2014},
month = {Mon Sep 01 00:00:00 EDT 2014}
}

Technical Report:

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