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Title: Potential Vulnerability Issues for Drum-Type Packages

Abstract

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.

Authors:
; ; ; ;
Publication Date:
Research Org.:
Lawrence Livermore National Lab., CA (US)
Sponsoring Org.:
USDOE Office of Defense Programs (DP) (US)
OSTI Identifier:
791737
Report Number(s):
UCRL-JC-139116
TRN: US0301509
DOE Contract Number:  
W-7405-Eng-48
Resource Type:
Conference
Resource Relation:
Conference: American Society of Mechanical Engineers Pipe and Pressure Vessel, Seattle, WA (US), 07/23/2000--07/27/2000; Other Information: PBD: 24 May 2000
Country of Publication:
United States
Language:
English
Subject:
61 RADIATION PROTECTION AND DOSIMETRY; ACCIDENTS; CLOSURES; DEFORMATION; ENGINEERS; KINETIC ENERGY; ORIENTATION; PRESSURE VESSELS; TRANSPORT; VULNERABILITY

Citation Formats

Hagler, L B, Sheaffer, M K, Anderson, B L, Hafner, R S, and Witte, M C. Potential Vulnerability Issues for Drum-Type Packages. United States: N. p., 2000. Web.
Hagler, L B, Sheaffer, M K, Anderson, B L, Hafner, R S, & Witte, M C. Potential Vulnerability Issues for Drum-Type Packages. United States.
Hagler, L B, Sheaffer, M K, Anderson, B L, Hafner, R S, and Witte, M C. Wed . "Potential Vulnerability Issues for Drum-Type Packages". United States. https://www.osti.gov/servlets/purl/791737.
@article{osti_791737,
title = {Potential Vulnerability Issues for Drum-Type Packages},
author = {Hagler, L B and Sheaffer, M K and Anderson, B L and Hafner, R S and Witte, M C},
abstractNote = {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.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2000},
month = {5}
}

Conference:
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