The underwater coincidence counter (UWCC) for plutonium measurements in mixed oxide fuels

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Description

The use of fresh uranium-plutonium mixed oxide (MOX) fuel in light-water reactors (LWR) is increasing in Europe and Japan and it is necessary to verify the plutonium content in the fuel for international safeguards purposes. The UWCC is a new instrument that has been designed to operate underwater and nondestructively measure the plutonium in unirradiated MOX fuel assemblies. The UWCC can be quickly configured to measure either boiling-water reactor (BWR) or pressurized-water reactor (PWR) fuel assemblies. The plutonium loading per unit length is measured using the UWCC to precisions of less than 1% in a measurement time of 2 to ... continued below

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9 p.

Creation Information

Eccleston, G.W.; Menlove, H.O.; Abhold, M.; Baker, M. & Pecos, J. December 31, 1998.

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Description

The use of fresh uranium-plutonium mixed oxide (MOX) fuel in light-water reactors (LWR) is increasing in Europe and Japan and it is necessary to verify the plutonium content in the fuel for international safeguards purposes. The UWCC is a new instrument that has been designed to operate underwater and nondestructively measure the plutonium in unirradiated MOX fuel assemblies. The UWCC can be quickly configured to measure either boiling-water reactor (BWR) or pressurized-water reactor (PWR) fuel assemblies. The plutonium loading per unit length is measured using the UWCC to precisions of less than 1% in a measurement time of 2 to 3 minutes. Initial calibrations of the UWCC were completed on measurements of MOX fuel in Mol, Belgium. The MCNP-REN Monte Carlo simulation code is being benchmarked to the calibration measurements to allow accurate simulations for extended calibrations of the UWCC.

Physical Description

9 p.

Notes

INIS; OSTI as DE99002309

Source

  • 39. Institute of Nuclear Materials Management (INMM) annual meeting, Naples, FL (United States), 26-30 Jul 1998

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  • Other: DE99002309
  • Report No.: LA-UR--98-3303
  • Report No.: CONF-980733--
  • Grant Number: W-7405-ENG-36
  • Office of Scientific & Technical Information Report Number: 335193
  • Archival Resource Key: ark:/67531/metadc686215

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  • December 31, 1998

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  • July 25, 2015, 2:20 a.m.

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  • March 10, 2016, 1:19 p.m.

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Eccleston, G.W.; Menlove, H.O.; Abhold, M.; Baker, M. & Pecos, J. The underwater coincidence counter (UWCC) for plutonium measurements in mixed oxide fuels, article, December 31, 1998; New Mexico. (digital.library.unt.edu/ark:/67531/metadc686215/: accessed August 20, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.