STP1490

    Characterization of the Neutron Field in the HSSI Reusable Irradiation Facility at the Ford Nuclear Reactor

    Published: Jan 2007


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    Abstract

    The characterization of the neutron environment in a reusable facility for irradiation of metallurgical specimens, located at the Ford Nuclear reactor in Michigan, was performed with a combination of transport calculations, extensive dosimeter measurements, and neutron spectrum adjustment. The average difference between the calculated and “measured” reaction rates was ̃7 & (the calculations underpredicted the measurements), and the average absolute difference was ̃10 &. Therefore, the calculations and measurements agreed very well. The flexible facility performed excellently during several years of operation but was discontinued when the Ford reactor ceased operation. The heavy-section steel irradiation (HSSI) program is taking the initial steps toward selecting a site for a new irradiation facility, similar to the one described here.

    Keywords:

    neutron irradiation, embrittlement, TORT, dosimetry


    Author Information:

    Remec, Igor
    S&T Staff Member, Oak Ridge National Laboratory, Oak Ridge, TN

    Rosseel, Thomas M.
    Manager, Heavy-Section Steel Irradiation (HSSI) Program, Oak Ridge National Laboratory, Oak Ridge, TN

    Blakeman, Edward D.
    S&T Staff Member, Oak Ridge National Laboratory, Oak Ridge, TN

    Baldwin, Charles A.
    S&T Staff Member, Oak Ridge National Laboratory, Oak Ridge, TN

    Heatherly, Dennis W.
    S&T Staff Member, Oak Ridge National Laboratory, Oak Ridge, TN

    Thoms, Kenneth R.
    Subcontractor, Oak Ridge National Laboratory, Oak Ridge, TN


    Paper ID: STP45430S

    Committee/Subcommittee: E10.08

    DOI: 10.1520/STP45430S


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