Experience in the Fabrication of Uranium - 233 Bearing ThO2UO2 Rods in a Lightly Shielded Facility at ORNL

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Description

The potential of the thorium fuel cycle for achieving low nuclear fuel costs is complicated by the presence of 232U associated with 233U formed in the reactor. The decay of the 232U daughters produces penetrating radiation making the consideration of shielding and fast process times mandatory. The construction and operation of a lightly shielded, semi remote factify, known as the Kilorrod Facility, in which fuel rods containing (Th-3 wt % 233U)O2 are fabricated, is the first step in determining the technical feasibility and economy of the thorium fuel cycle. This facility, which is presently operating at the Oak Ridge National … continued below

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21 pages : illustrations

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Van Cleve, J. E., Jr. & Lotts, A. L. November 1963.

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  • Main Title: Experience in the Fabrication of Uranium - 233 Bearing ThO2UO2 Rods in a Lightly Shielded Facility at ORNL
  • Series Title: ORNL (Series)
  • Series Title: Oak Ridge National Laboratory Reports
  • Added Title: Oak Ridge National Laboratory Report ORNL-P-123

Description

The potential of the thorium fuel cycle for achieving low nuclear fuel costs is complicated by the presence of 232U associated with 233U formed in the reactor. The decay of the 232U daughters produces penetrating radiation making the consideration of shielding and fast process times mandatory. The construction and operation of a lightly shielded, semi remote factify, known as the Kilorrod Facility, in which fuel rods containing (Th-3 wt % 233U)O2 are fabricated, is the first step in determining the technical feasibility and economy of the thorium fuel cycle. This facility, which is presently operating at the Oak Ridge National Laboratory, was designed to fabricate fuel rods that will be user in zero-power, criticality experiments at the Brookhaven National Laboratory. The fuel rods are produced by vibratory compaction of sogel produced oxide in Zircaloy-2 tubes to near 90% of the theoretical density of the powder. The facility was designed to produce 10 rods/day; however, the attainment of the production rate was secondary to the collection of engineering data on the process itself.

Physical Description

21 pages : illustrations

Notes

Digitized from microopaque cards (1).

Paper to be published in the Proceedings of the Symposium on Powder Filled Uranium Dioxide Fuel Elements, Worcester, Massachusetts, November 5-6, 1963.

Includes bibliographic references (page 11)

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  • SuDoc Number: Y 3.At 7:22/ORNL-P-123
  • Report No.: ORNL-P-123
  • Accession or Local Control No: metadc1257317
  • Archival Resource Key: ark:/67531/metadc1257317

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  • November 1963

Added to The UNT Digital Library

  • June 18, 2021, 7:17 a.m.

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  • March 2, 2023, 1:06 p.m.

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Van Cleve, J. E., Jr. & Lotts, A. L. Experience in the Fabrication of Uranium - 233 Bearing ThO2UO2 Rods in a Lightly Shielded Facility at ORNL, report, November 1963; Oak Ridge, Tennessee. (https://digital.library.unt.edu/ark:/67531/metadc1257317/: accessed June 16, 2025), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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