科技报告详细信息
Fresh-Core Reload of the Neutron Radiography (NRAD) Reactor with Uranium(20)-Erbium-Zirconium-Hydride Fuel
Bess, John D. ; Maddock, Thomas L. ; Marshall, Margaret A. ; Montierth, Leland M.
Idaho National Laboratory
关键词: Criticality;    Benchmark;    Irphep;    Triga;    11 Nuclear Fuel Cycle And Fuel Materials;   
DOI  :  10.2172/1064067
RP-ID  :  INL/EXT-10-19486
RP-ID  :  DE-AC07-05ID14517
RP-ID  :  1064067
美国|英语
来源: UNT Digital Library
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【 摘 要 】

The neutron radiography (NRAD) reactor is a 250 kW TRIGA® (Training, Research, Isotopes, General Atomics) Mark II , tank-type research reactor currently located in the basement, below the main hot cell, of the Hot Fuel Examination Facility (HFEF) at the Idaho National Laboratory (INL). It is equipped with two beam tubes with separate radiography stations for the performance of neutron radiography irradiation on small test components. The initial critical configuration developed during the fuel loading process, which contains only 56 fuel elements, has been evaluated as an acceptable benchmark experiment. The 60-fuel-element operational core configuration of the NRAD LEU TRIGA reactor has also been evaluated as an acceptable benchmark experiment. Calculated eigenvalues differ significantly (~±1%) from the benchmark eigenvalue and have demonstrated sensitivity to the thermal scattering treatment of hydrogen in the U-Er-Zr-H fuel.

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