SM-1 Research and Development. Task XV, Zero Power Experiments for SM-1 Core II and SM-1A Core I

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Abstract: A zero power experiment on the SM-1 Core II included an element by element reactivity check of fuel elements and control rod absorber sections, and an estimate of burnable nuclear poison loading in stationary fuel elements. An approach to criticality was made by the inverse multiplication method, and critical rod bank position obtained as a function fuel loading up to full core loading. Minimum and maximum core reactivity measurements were obtained by selective loading of stationary fuel elements, and total excess K of the core was established. Power distribution measurements were taken in the regions of the core-reflector interface … continued below

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xvii, 85 pages ; illustrations.

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Robinson, R. A.; Weiss, S. H.; McCool, W. J. & Schrader, E. W. October 12, 1960.

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Abstract: A zero power experiment on the SM-1 Core II included an element by element reactivity check of fuel elements and control rod absorber sections, and an estimate of burnable nuclear poison loading in stationary fuel elements. An approach to criticality was made by the inverse multiplication method, and critical rod bank position obtained as a function fuel loading up to full core loading. Minimum and maximum core reactivity measurements were obtained by selective loading of stationary fuel elements, and total excess K of the core was established. Power distribution measurements were taken in the regions of the core-reflector interface and the fuel-absorber interface in the control rod assemblies. The effectiveness of europium flux suppressors in the top of control rod fuel elements was determined, and power peaking was measured in stationary elements adjacent to control rod assembly water gaps. Survey measurements established the work of spiking clean, cold SM-1 cores with SM-2 elements and the work of water holes in the SM-1 Core. The reduced scope zero power experiment performed on SM-1A core I included an element by element uniformity check of stationary fuel elements, a core assembly test, comparison of Eu2O3 and B4C absorber sections, and development of initial core loading procedures for the SM-1A plant.

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xvii, 85 pages ; illustrations.

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Digitized from microopaque cards.

Contract No. AT(30-3)-326 with U. S. Atomic Energy Commission, New York Operations Office.

Includes bibliographic references (page 79).

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  • Report No.: APAE-58 Revised
  • Grant Number: AT(30-3)-326
  • SuDoc Number: Y 3.AT 7:22/APAE-58 Revised
  • Accession or Local Control No: metadc1201958
  • Archival Resource Key: ark:/67531/metadc1201958

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  • October 12, 1960

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  • Aug. 15, 2019, 10:26 p.m.

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  • March 20, 2023, 5:46 p.m.

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Robinson, R. A.; Weiss, S. H.; McCool, W. J. & Schrader, E. W. SM-1 Research and Development. Task XV, Zero Power Experiments for SM-1 Core II and SM-1A Core I, report, October 12, 1960; Schenectady, New York.. (https://digital.library.unt.edu/ark:/67531/metadc1201958/: accessed October 6, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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