Kalman filter analysis of delayed neutron nondestructive assay measurements.

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The ability to nondestructively determine the presence and quantity of fissile and fertile nuclei in various matrices is important in several nuclear applications including international and domestics safeguards, radioactive waste characterization and nuclear facility operations. Material irradiation followed by delayed neutron counting is a well known and useful nondestructive assay technique used to determine the fissile-effective content of assay samples. Previous studies have demonstrated the feasibility of using Kalman filters to unfold individual isotopic contributions to delayed neutron measurements resulting from the assay of mixes of uranium and plutonium isotopes. However, the studies in question used simulated measurement data and ... continued below

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10 p.

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Aumeier, S. E. April 29, 1998.

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Description

The ability to nondestructively determine the presence and quantity of fissile and fertile nuclei in various matrices is important in several nuclear applications including international and domestics safeguards, radioactive waste characterization and nuclear facility operations. Material irradiation followed by delayed neutron counting is a well known and useful nondestructive assay technique used to determine the fissile-effective content of assay samples. Previous studies have demonstrated the feasibility of using Kalman filters to unfold individual isotopic contributions to delayed neutron measurements resulting from the assay of mixes of uranium and plutonium isotopes. However, the studies in question used simulated measurement data and idealized parameters. We present the results of the Kalman filter analysis of several measurements of U/Pu mixes taken using Argonne National Laboratory's delayed neutron nondestructive assay device. The results demonstrate the use of Kalman filters as a signal processing tool to determine the fissile and fertile isotopic content of an assay sample from the aggregate delayed neutron response following neutron irradiation.

Physical Description

10 p.

Notes

INIS; OSTI as DE00010560

Medium: P; Size: 10 pages

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  • American Nuclear Society 3rd Topical Meeting, Charleston, SC (US), 09/08/1998--09/11/1998

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  • Report No.: ANL/TD/CP-95328
  • Grant Number: W-31109-ENG-38
  • Office of Scientific & Technical Information Report Number: 10560
  • Archival Resource Key: ark:/67531/metadc627773

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  • April 29, 1998

Added to The UNT Digital Library

  • June 16, 2015, 7:43 a.m.

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  • April 6, 2017, 6:58 p.m.

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Aumeier, S. E. Kalman filter analysis of delayed neutron nondestructive assay measurements., article, April 29, 1998; Illinois. (digital.library.unt.edu/ark:/67531/metadc627773/: accessed September 24, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.