MONTE CARLO CHARACTERIZATION OF PRESSURIZED WATER REACTOR SPENT FUEL ASSEMBLY FOR THE DEVELOPMENT OF A NEW INSTRUMENT FOR PIN DIVERSION DETECTION

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A novel concept to detect pin-diversion from spent fuel assembly is proposed and described. The instrument will use multiple tiny neutron and gamma detectors in a form of cluster (detector cluster) and high precision driving system to collect radiation signatures inside pressurized water reactor (PWR) assembly. In order to validate our concept, a Monte Carlo study was done using a Monte Carlo code MCNP5. MONTEBURNS, a computational tool that links MCNP and ORIGEN, was used to produce accurate PWR spent fuel isotopic compositions. Monte Carlo simulations, using realistic fuel geometry and actual fuel material information, were performed to study radiation ... continued below

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10 p. (0.2 MB)

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Ham, Y S; Maldonado, G I; Yin, C & Burdo, J June 15, 2006.

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A novel concept to detect pin-diversion from spent fuel assembly is proposed and described. The instrument will use multiple tiny neutron and gamma detectors in a form of cluster (detector cluster) and high precision driving system to collect radiation signatures inside pressurized water reactor (PWR) assembly. In order to validate our concept, a Monte Carlo study was done using a Monte Carlo code MCNP5. MONTEBURNS, a computational tool that links MCNP and ORIGEN, was used to produce accurate PWR spent fuel isotopic compositions. Monte Carlo simulations, using realistic fuel geometry and actual fuel material information, were performed to study radiation field inside a PWR spent fuel assembly. The preliminary Monte Carlo simulation study shows that indeed 2 dimensional neutron data, when obtained in the presence of missing pins, have data profiles distinctly different from the profiles obtained without missing pins.

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10 p. (0.2 MB)

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  • Presented at: INMM06, Nashville, TN, United States, Jul 16 - Jul 20, 2006

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  • Report No.: UCRL-CONF-222212
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 891710
  • Archival Resource Key: ark:/67531/metadc873873

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  • June 15, 2006

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  • Sept. 21, 2016, 2:29 a.m.

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  • April 13, 2017, 3:06 p.m.

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Ham, Y S; Maldonado, G I; Yin, C & Burdo, J. MONTE CARLO CHARACTERIZATION OF PRESSURIZED WATER REACTOR SPENT FUEL ASSEMBLY FOR THE DEVELOPMENT OF A NEW INSTRUMENT FOR PIN DIVERSION DETECTION, article, June 15, 2006; Livermore, California. (digital.library.unt.edu/ark:/67531/metadc873873/: accessed November 16, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.