Potential Vulnerability Issues for Drum-Type Packages

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Type B and Type A fissile drum packages are required to undergo a series of tests that simulate both normal conditions of transport (NCT) and hypothetical accident conditions (HAC) as specified in 10 CFR Part 71. In particular for HAC, it must be demonstrated that the package can withstand a 30 ft. drop in the most unfavorable orientation without damage that would compromise its ability to survive a subsequent regulatory fire test. Historically, it has usually been assumed that the most unfavorable orientations are those that allow the maximum amount of available kinetic energy to be used for package deformation. ... continued below

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3,600 Kilobytes pages

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Hagler, L.B.; Sheaffer, M.K.; Anderson, B.L.; Hafner, R.S. & Witte, M.C. May 24, 2000.

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Description

Type B and Type A fissile drum packages are required to undergo a series of tests that simulate both normal conditions of transport (NCT) and hypothetical accident conditions (HAC) as specified in 10 CFR Part 71. In particular for HAC, it must be demonstrated that the package can withstand a 30 ft. drop in the most unfavorable orientation without damage that would compromise its ability to survive a subsequent regulatory fire test. Historically, it has usually been assumed that the most unfavorable orientations are those that allow the maximum amount of available kinetic energy to be used for package deformation. Therefore, drop test orientations have been mostly limited to Top-Down, Bottom-Down, Side, and C.G. Over Top-Corner. (Where C.G. refers to the center of gravity of the package.) Here, it is shown that shallow angle top impact, where a portion of the translational kinetic energy of the package is transformed into rotational kinetic energy at impact, may also be a likely orientation that will lead to failure of drum packages that use bolted ring closures.

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3,600 Kilobytes pages

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  • American Society of Mechanical Engineers Pipe and Pressure Vessel, Seattle, WA (US), 07/23/2000--07/27/2000

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  • Report No.: UCRL-JC-139116
  • Grant Number: W-7405-Eng-48
  • Office of Scientific & Technical Information Report Number: 791737
  • Archival Resource Key: ark:/67531/metadc741496

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Office of Scientific & Technical Information Technical Reports

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  • May 24, 2000

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  • Oct. 19, 2015, 7:39 p.m.

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  • May 6, 2016, 1:51 p.m.

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Hagler, L.B.; Sheaffer, M.K.; Anderson, B.L.; Hafner, R.S. & Witte, M.C. Potential Vulnerability Issues for Drum-Type Packages, article, May 24, 2000; California. (digital.library.unt.edu/ark:/67531/metadc741496/: accessed December 16, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.