Followup calculations for the UVAR LEU conversion

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The UVAR reactor was successfully converted to LEU fuel in April 1994. Void coefficient measurements were made on the 4-by-4 fully-graphite-reflected LEU-1 core configuration, and an isothermal temperature coefficient measurement was made on the operational 4-by-5 partially-graphite-reflected LEU-2 core configuration. Both of these experiments have now been modeled in their critical configurations using the 3DBUM code. The LEU cores were also modeled using the Monte Carlo code MCNP in order to obtain a neutron/gamma source for BNCT filter design calculations. Advanced BNCT filters have been evaluated using both MCNP and the discrete ordinates code DORT. The results indicate that the ... continued below

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13 p.

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Rydin, R.A.; Hosticka, B. & Burns, T. December 31, 1995.

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The UVAR reactor was successfully converted to LEU fuel in April 1994. Void coefficient measurements were made on the 4-by-4 fully-graphite-reflected LEU-1 core configuration, and an isothermal temperature coefficient measurement was made on the operational 4-by-5 partially-graphite-reflected LEU-2 core configuration. Both of these experiments have now been modeled in their critical configurations using the 3DBUM code. The LEU cores were also modeled using the Monte Carlo code MCNP in order to obtain a neutron/gamma source for BNCT filter design calculations. Advanced BNCT filters have been evaluated using both MCNP and the discrete ordinates code DORT. The results indicate that the UVAR would be an ideal source for the BNCT treatment of brain tumors.

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13 p.

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INIS; OSTI as DE97053099

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  • 18. international meeting on reduced enrichment for research and test reactors, Paris (France), 18-21 Sep 1995

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  • Other: DE97053099
  • Report No.: DOE/OR/00033--T690
  • Report No.: CONF-9509253--18
  • Grant Number: AC05-76OR00033
  • Office of Scientific & Technical Information Report Number: 505743
  • Archival Resource Key: ark:/67531/metadc690360

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  • December 31, 1995

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  • Aug. 14, 2015, 8:43 a.m.

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  • May 16, 2016, 3:53 p.m.

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Rydin, R.A.; Hosticka, B. & Burns, T. Followup calculations for the UVAR LEU conversion, article, December 31, 1995; Tennessee. (digital.library.unt.edu/ark:/67531/metadc690360/: accessed October 17, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.