Reactivity Worth of Transverse Gaps

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Description

Fuel blocks of compacted ZrO/sub 2/ and UO/sub 2/ powder in paraffin were added axially to two unreflected assemblies (20 x 16 in. and 20 x 24 in. cross sections). The separation of the assembly halves when criticality occurred was determined, and the reactivity worth at a given critical gap size was obtained by bringing the halves slightly closer together and observing the reactor period. The core with the larger cross section had a maximum gap twice that of the smaller core. Diffusion theory treatment agreed with the data reasonably well for small gap thickness. (D.C.W.)

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6 p.

Creation Information

Weinstein, S. & Feiner, F. November 1, 1963.

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Description

Fuel blocks of compacted ZrO/sub 2/ and UO/sub 2/ powder in paraffin were added axially to two unreflected assemblies (20 x 16 in. and 20 x 24 in. cross sections). The separation of the assembly halves when criticality occurred was determined, and the reactivity worth at a given critical gap size was obtained by bringing the halves slightly closer together and observing the reactor period. The core with the larger cross section had a maximum gap twice that of the smaller core. Diffusion theory treatment agreed with the data reasonably well for small gap thickness. (D.C.W.)

Physical Description

6 p.

Source

  • ANS Meeting, New York City, November 18 - 21, 1963

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Identifier

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  • Report No.: CONF-187-12
  • Grant Number: W-31-109-ENG-52
  • Office of Scientific & Technical Information Report Number: 4148912
  • Archival Resource Key: ark:/67531/metadc872745

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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

  • November 1, 1963

Added to The UNT Digital Library

  • Sept. 16, 2016, 12:32 a.m.

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  • Nov. 3, 2017, 4:10 p.m.

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Weinstein, S. & Feiner, F. Reactivity Worth of Transverse Gaps, article, November 1, 1963; Schenectady, New York. (digital.library.unt.edu/ark:/67531/metadc872745/: accessed December 14, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.