A feasibility study for the storage of plutonium pits in non-partitioned warehouse facilities

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It is projected that up to 20,000 plutonium pits will be stored at Pantex for up to 50 years. The proposed storage system has to meet longevity, safety and cost requirements. Thermal, mechanical, chemical, nuclear criticality and safety performance characteristics of any proposed plutonium container design need to be formally analyzed. Plutonium generates thermal energy as it decays. The generated thermal energy may cause excessive rise of temperature. For safety and other considerations, it is important that the plutonium temperature remains relatively constant and no hot spots develop. Plutonium containers should not be disassembled for routine monitoring and there are ... continued below

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16 p.

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James, D.; Parameswaran, S. & Nagendran, S. February 1, 1999.

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Description

It is projected that up to 20,000 plutonium pits will be stored at Pantex for up to 50 years. The proposed storage system has to meet longevity, safety and cost requirements. Thermal, mechanical, chemical, nuclear criticality and safety performance characteristics of any proposed plutonium container design need to be formally analyzed. Plutonium generates thermal energy as it decays. The generated thermal energy may cause excessive rise of temperature. For safety and other considerations, it is important that the plutonium temperature remains relatively constant and no hot spots develop. Plutonium containers should not be disassembled for routine monitoring and there are various reasons for the need to monitor the plutonium non-obtrusively. Therefore, accurate predictions of the temperature distribution within the storage container based upon external monitoring within the storage facility needs to be developed. A heat transfer analysis of the storage container is required. The heat transfer analysis, however, requires the knowledge of the temperature and velocity of the air circulating around the containers in order to determine the heat transferred to the air from the containers by convection. Therefore, a complete flow field analysis is required prior to performing the conduction analysis of each pit. The objective of this research is, therefore, to develop and validate a numerical model to predict the temperature distribution within the plutonium storage container as a function of the ambient air temperature within the warehouse.

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16 p.

Notes

INIS; OSTI as DE99001984

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  • Other Information: PBD: Feb 1999

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  • Other: DE99001984
  • Report No.: ANRCP--1999-7
  • Grant Number: FC04-95AL85832
  • DOI: 10.2172/325720 | External Link
  • Office of Scientific & Technical Information Report Number: 325720
  • Archival Resource Key: ark:/67531/metadc686944

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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.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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Creation Date

  • February 1, 1999

Added to The UNT Digital Library

  • July 25, 2015, 2:20 a.m.

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  • Dec. 11, 2015, 4:32 p.m.

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James, D.; Parameswaran, S. & Nagendran, S. A feasibility study for the storage of plutonium pits in non-partitioned warehouse facilities, report, February 1, 1999; United States. (digital.library.unt.edu/ark:/67531/metadc686944/: accessed December 18, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.