FOAM DENSITY SENSITIVITY STUDY FOR THE 9977 PACKAGE

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Two layers of insulation fill the volume of the 9977 package between the drum liner and the shell. One of these layers is composed of General Plastics FR-3716 polyurethane foam (also known as Last-A-Foam{reg_sign}), poured through fill holes in the drum bottom and foamed in place. There was concern that the density of the foam insulating layer may vary due to the manufacturing process and that variations in foam density would compromise the safety basis of the package. Thus, a structural finite element analysis was performed to investigate this concern. The investigation examined the effect of replacing the material properties ... continued below

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Gorczyca, J & Tsu-Te Wu, T May 2, 2008.

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Two layers of insulation fill the volume of the 9977 package between the drum liner and the shell. One of these layers is composed of General Plastics FR-3716 polyurethane foam (also known as Last-A-Foam{reg_sign}), poured through fill holes in the drum bottom and foamed in place. There was concern that the density of the foam insulating layer may vary due to the manufacturing process and that variations in foam density would compromise the safety basis of the package. Thus, a structural finite element analysis was performed to investigate this concern. The investigation examined the effect of replacing the material properties for the FR-3716 polyurethane foam, which has a density equal to 16 lb{sub m}/ft{sup 3}, with material properties of similar foam with varying densities through finite element analysis of hypothetical accident conditions (HAC) pertaining to impact conditions. The results showed that the functional performance of the containment vessel (CV) was not compromised under the conditions investigated.

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  • 2008 ASME Pressure Vessel and Piping Division Conference

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  • Report No.: WSRC-STI-2008-00233
  • Grant Number: DE-AC09-96SR18500
  • Office of Scientific & Technical Information Report Number: 934824
  • Archival Resource Key: ark:/67531/metadc898421

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • May 2, 2008

Added to The UNT Digital Library

  • Sept. 27, 2016, 1:39 a.m.

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  • Nov. 2, 2016, 5:22 p.m.

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Gorczyca, J & Tsu-Te Wu, T. FOAM DENSITY SENSITIVITY STUDY FOR THE 9977 PACKAGE, article, May 2, 2008; [Aiken, South Carolina]. (digital.library.unt.edu/ark:/67531/metadc898421/: accessed October 18, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.