Volume 3, Issue 8 (September 2006)

    Benchmark Experiments/Calculations of Neutron Environments in the Annular Core Research Reactor

    (Received 20 June 2005; accepted 18 May 2006)

    CODEN: JAIOAD

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    Abstract

    Benchmark experiments using spherical test objects were performed in the central cavity of Sandia National Laboratories' Annular Core Research Reactor. The experiments were performed with 10.16 cm and 17.78 cm diameter aluminum (AI6061) and high-density polyethylene spheres that were essentially solid with cavities scrolled out along the equator to allow the insertion of activation foils and/or sulfur pellets. The neutron monitor foils were selected to cover a wide range of reaction energies. The reactor environments were modeled in detail using Monte Carlo N-Particle eXtended (MCNPX). The experimental results were compared to the Monte Carlo calculations of the reaction rates of each of the foils at various depths in the spheres produced by MCNPX. The comparison includes a complete treatment of the uncertainties.


    Author Information:

    Rusell DePriest, K
    Ph.D., Senior Member Technical Staff, Sandia National Laboratories, Albuquerque, NM


    Stock #: JAI100355

    ISSN: 1546-962X

    DOI: 10.1520/JAI100355

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    Author
    Title Benchmark Experiments/Calculations of Neutron Environments in the Annular Core Research Reactor
    Symposium Reactor Dosimetry, 12th International, 2005-05-13
    Committee E10