skip to main content
OSTI.GOV title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Thermal Analysis of the 9975 Package with the 3013 Configuration During Normal Conditions of Transport

Abstract

Thermal analysis of the 9975 package with three configurations of the BNFL 3013 outer container (with Rocky Flats, SRS, and BNFL inner containers) have been performed for Normal Conditions of Transport (NCT) of plutonium oxide and metal. The NCT is defined in 10 CFR 71.71(c)(1) s an ambient of 100 F (38 C) in still air with 800 W/m{sup 2} and 400 W/m{sup 2} of solar heating on the drum top and sides, respectively. The 9975 drum package is considered to be in an upright position, and the drum bottom is adiabatic. The Rocky and SRS 3013 configurations with Pu metal contents (19 watts) result in acceptable (similar) packaging temperatures, however the plutonium metal temperatures are lower for the SRS design (SRS has helium fill gas whereas Rocky is essentially air filled). The BNFL configuration for Pu oxide contents (19 watts) result in acceptable temperatures and pressures based on limits in the 9975 Safety Analysis Report (SARP). However, for 30 watts of Pu oxide, the fiberboard peak temperatures are very near the SARP allowable. The pressure in the 3013 container is 688.4 psig for the 30 watt Pu oxide content and 569.5 psig for the 19 watt Pu oxide content.more » Gas species in the pressure computations include air, helium and hydrogen from complete radiolysis of the moisture. The oxygen generated from the radiolysis of the water is not included as a pressure contributor. The gas temperature in the pressure computations was very conservatively assumed to be the maximum plutonium temperature.« less

Authors:
Publication Date:
Research Org.:
SRS
Sponsoring Org.:
USDOE
OSTI Identifier:
890232
Report Number(s):
WSRC-TR-98-00420
TRN: US200620%%717
DOE Contract Number:  
DE-AC09-96SR18500
Resource Type:
Technical Report
Country of Publication:
United States
Language:
English
Subject:
08 HYDROGEN; 14 SOLAR ENERGY; CONFIGURATION; CONTAINERS; HELIUM; HYDROGEN; MOISTURE; OXIDES; OXYGEN; PACKAGING; PLUTONIUM; PLUTONIUM OXIDES; RADIOLYSIS; SAFETY ANALYSIS; SOLAR HEATING; THERMAL ANALYSIS; TRANSPORT; WATER

Citation Formats

Hensel, S. Thermal Analysis of the 9975 Package with the 3013 Configuration During Normal Conditions of Transport. United States: N. p., 1999. Web. doi:10.2172/890232.
Hensel, S. Thermal Analysis of the 9975 Package with the 3013 Configuration During Normal Conditions of Transport. United States. doi:10.2172/890232.
Hensel, S. Mon . "Thermal Analysis of the 9975 Package with the 3013 Configuration During Normal Conditions of Transport". United States. doi:10.2172/890232. https://www.osti.gov/servlets/purl/890232.
@article{osti_890232,
title = {Thermal Analysis of the 9975 Package with the 3013 Configuration During Normal Conditions of Transport},
author = {Hensel, S},
abstractNote = {Thermal analysis of the 9975 package with three configurations of the BNFL 3013 outer container (with Rocky Flats, SRS, and BNFL inner containers) have been performed for Normal Conditions of Transport (NCT) of plutonium oxide and metal. The NCT is defined in 10 CFR 71.71(c)(1) s an ambient of 100 F (38 C) in still air with 800 W/m{sup 2} and 400 W/m{sup 2} of solar heating on the drum top and sides, respectively. The 9975 drum package is considered to be in an upright position, and the drum bottom is adiabatic. The Rocky and SRS 3013 configurations with Pu metal contents (19 watts) result in acceptable (similar) packaging temperatures, however the plutonium metal temperatures are lower for the SRS design (SRS has helium fill gas whereas Rocky is essentially air filled). The BNFL configuration for Pu oxide contents (19 watts) result in acceptable temperatures and pressures based on limits in the 9975 Safety Analysis Report (SARP). However, for 30 watts of Pu oxide, the fiberboard peak temperatures are very near the SARP allowable. The pressure in the 3013 container is 688.4 psig for the 30 watt Pu oxide content and 569.5 psig for the 19 watt Pu oxide content. Gas species in the pressure computations include air, helium and hydrogen from complete radiolysis of the moisture. The oxygen generated from the radiolysis of the water is not included as a pressure contributor. The gas temperature in the pressure computations was very conservatively assumed to be the maximum plutonium temperature.},
doi = {10.2172/890232},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1999},
month = {2}
}

Technical Report:

Save / Share: