SYMPOSIA PAPER Published: 14 December 2018

Fast Two-Parametric Spectrometric System for Experimental MSR/FHR Reactor Dosimetry


The neutron fluence load in the structural components of reactor systems is crucial for issues of reactor dosimetry. The neutron spectrum in the construction of light-water reactor systems is modified by water and iron, whereas the spectrum in advanced molten salt/fluoride salt reactor systems is shifted by fluoride salts and graphite. The majority of commercial nuclear power plants are light-water reactors, where the neutron spectra have been examined many times. In case of progressive technologies, as molten salt/fluoride salt, neutron spectra are measured only rarely. Therefore, a series of experiments with a fast two-parametric spectrometric system were performed in an LR-0 reactor in order to analyze the effect of graphite and fluorides on neutron spectrum.

Author Information

Matěj, Zdeněk
Masaryk University, Brno, CZ
Košt´ál, Michal
Research Center Řez Ltd, CZ
Mravec, Filip
Masaryk University, Brno, CZ
Pavelek, Martin
Masaryk University, Brno, CZ
Herman, Ondřej
Masaryk University, Brno, CZ
Veškrna, Martin
Masaryk University, Brno, CZ
Přenosil, Václav
Masaryk University, Brno, CZ
Cvachovec, František
University of Defence, Brno, CZ
Losa, Evžen
Research Center Řez Ltd, CZ
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Developed by Committee: E10
Pages: 63–73
DOI: 10.1520/STP160820170129
ISBN-EB: 978-0-8031-7662-1
ISBN-13: 978-0-8031-7661-4