Hazards Report for SM-1 Core II Without the SM-1 Core I High Burnup Elements and With the PM-1-M-2 Element

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Abstract: The removal of both SM-1 Core I high burnup elements from SM-1 Core II and the insertion of the PM-1-M-2 element and the SM-1 Core I spare element in SM-1 Core II is discussed. Nuclear and thermal characteristics of Core II with these changes are presented and conclusions related to the changes in the hazard potential are made. If the core change indicated by this report is made, local peaking factors will be decreased and burnout ratios will be increased. This, of course, in itself leads to a more conservative estimate of core safety. There is no conceivable reason … continued below

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vii, 6 pages ; illustrations.

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Coombe, J. R.; Lee, D. H. & Mathews, F. T. October 7, 1961.

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Abstract: The removal of both SM-1 Core I high burnup elements from SM-1 Core II and the insertion of the PM-1-M-2 element and the SM-1 Core I spare element in SM-1 Core II is discussed. Nuclear and thermal characteristics of Core II with these changes are presented and conclusions related to the changes in the hazard potential are made. If the core change indicated by this report is made, local peaking factors will be decreased and burnout ratios will be increased. This, of course, in itself leads to a more conservative estimate of core safety. There is no conceivable reason why the perturbation may not be safely made in the SM-1 Core II.

Physical Description

vii, 6 pages ; illustrations.

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Digitized from microopaque cards.

Contract No. AT(30-1)-2639 with the U.S. Atomic Energy Commission, New York Operations Office.

Includes bibliographic references (page 6).

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  • Report No.: APAE-84 Addendum III
  • Grant Number: AT(30-1)-2639
  • SuDoc Number: Y 3.AT 7:22/APAE-84 Addendum III
  • Accession or Local Control No: metadc1201979
  • Archival Resource Key: ark:/67531/metadc1201979

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Technical Report Archive and Image Library

The Technical Report Archive & Image Library (TRAIL) identifies, acquires, catalogs, digitizes and provides unrestricted access to U.S. government agency technical reports. The mission of TRAIL is to ensure preservation, discoverability, and persistent open access to government technical publications regardless of form or format.

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Imaged from microcard, these technical reports describe research performed for U.S. government agencies from the 1930s to the 1960s. The reports were provided by the Technical Report Archive and Image Library (TRAIL).

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  • October 7, 1961

Added to The UNT Digital Library

  • Aug. 15, 2019, 10:26 p.m.

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  • Jan. 7, 2022, 3:48 p.m.

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Coombe, J. R.; Lee, D. H. & Mathews, F. T. Hazards Report for SM-1 Core II Without the SM-1 Core I High Burnup Elements and With the PM-1-M-2 Element, report, October 7, 1961; Schenectady, New York.. (https://digital.library.unt.edu/ark:/67531/metadc1201979/: accessed October 1, 2023), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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