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  • Validation of neutron fl ux redistribution factors in JSI TRIGA reactor due to control rod movements
    Goričanec, Tanja ...
    For ef fi cient utilization of research reactors, such as TRIGA Mark II reactor in Ljubljana, it is important to know neutron fl ux distribution in the reactor as accurately as possible. The focus of ... this study is on the neutron fl ux redistributions due to control rod movements. For analyzing neutron fl ux redistributions, Monte Carlo calculations of fi ssion rate distributions with the JSI TRIGA reactor model at different control rod con fi gurations have been performed. Sensitivity of the detector response due to control rod move- ment have been studied. Optimal radial and axial positions of the detector have been determined. Measurements of the axial neutron fl ux distribution using the CEA manufactured fi ssion chambers have been performed. The experiments at different control rod positions were conducted and compared with the MCNP calculations for a fi xed detector axial position. In the future, simultaneous on-line measure- ments with multiple fi ssion chambers will be performed inside the reactor core for a more accurate on- line power monitoring system
    Source: Applied Radiation and Isotopes. - ISSN 0969-8043 (Vol. 104, 2015, str. 34-42)
    Type of material - article, component part
    Publish date - 2015
    Language - english
    COBISS.SI-ID - 28711463
    DOI