Fast Neutron Flux Measurements and Analysis in SM-1 and PM-2A Core and Vessel Mockups

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Abstract: This technical report contains a summary of experimental and analytical work performed on cold clean SM-1 Core II with special components and PM-2A Core I each with thermal shield and vessel mockups. The purpose of this work was to define the neutron intensity and spectra to which the pressure vessels are subjected in order to assess the effect of irradiation on the vessel lifetimes. The radial distributions of the energy dependent neutron flux per unit power in the core and vessel mockups are presented. The uncertainties associated with the measurements are also given. In addition to graphical and tabular … continued below

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xxi, 163 pages ; illustrations.

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Sontheimer, K. C.; Kemp, S. N.; Lois, L.; Clancy, E. F. & McCool, W. J. March 31, 1962.

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Description

Abstract: This technical report contains a summary of experimental and analytical work performed on cold clean SM-1 Core II with special components and PM-2A Core I each with thermal shield and vessel mockups. The purpose of this work was to define the neutron intensity and spectra to which the pressure vessels are subjected in order to assess the effect of irradiation on the vessel lifetimes. The radial distributions of the energy dependent neutron flux per unit power in the core and vessel mockups are presented. The uncertainties associated with the measurements are also given. In addition to graphical and tabular presentations of the test results, discussions are provided on the experimental techniques and theory. A review of the analytical models is provided in addition to the calculational results. A special analytical study of the the PM-2A Core I power distribution and absolute power level determination is given. A comparison of the experimental and analytical results is made and conclusions and recommendations presented.

Physical Description

xxi, 163 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 (pages 9-1 to 9-3).

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  • Report No.: APAE-95
  • Grant Number: AT(30-1)-2639
  • SuDoc Number: Y 3.AT 7:22/APAE-95
  • Accession or Local Control No: metadc1201988
  • Archival Resource Key: ark:/67531/metadc1201988

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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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  • March 31, 1962

Added to The UNT Digital Library

  • Aug. 15, 2019, 10:26 p.m.

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  • Jan. 5, 2022, 7:24 p.m.

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Sontheimer, K. C.; Kemp, S. N.; Lois, L.; Clancy, E. F. & McCool, W. J. Fast Neutron Flux Measurements and Analysis in SM-1 and PM-2A Core and Vessel Mockups, report, March 31, 1962; Schenectady, New York.. (https://digital.library.unt.edu/ark:/67531/metadc1201988/: accessed January 24, 2025), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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