Search Results - "Rypar, Vojtěch"

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    Measurement of neutron spectra in a silicon filtered neutron beam using stilbene detectors at the LVR-15 research reactor by Košťál, Michal, Šoltés, Jaroslav, Viererbl, Ladislav, Matěj, Zdeněk, Cvachovec, František, Rypar, Vojtěch, Losa, Evžen

    Published in Applied radiation and isotopes (01-10-2017)
    “…A well-defined neutron spectrum is an essential tool for calibration and tests of spectrometry and dosimetry detectors, and evaluation methods for spectra…”
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    Journal Article
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    Validation of zirconium isotopes (n,g) and (n,2n) cross sections in a comprehensive LR-0 reactor operative parameters set by Košťál, Michal, Schulc, Martin, Rypar, Vojtěch, Losa, Evžen, Burianová, Nicola, Šimon, Jan, Mareček, Martin, Uhlíř, Jan

    Published in Applied radiation and isotopes (01-10-2017)
    “…Zirconium is an important material used in most of reactor concepts for fuel cladding. Thus the knowledge of its cross section is important for reliable…”
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    Broomstick experiment with copper in VR-1 reactor by Košťál, Michal, Losa, Evžen, Czakoj, Tomáš, Simakov, Stanislav, Zmeškal, Marek, Schulc, Martin, Šimon, Jan, Rypar, Vojtěch, Novák, Evžen, Cvachovec, František, Mravec, Filip, Přenosil, Václav, Krásný, Peter, Capote, Roberto, Matěj, Zdeněk

    Published in Annals of nuclear energy (01-02-2025)
    “…•Broomstick experiment using the VR-1 reactor.•Collimated beam from the radial channel of the VR-1 reactor.•Measurement of neutron flux behind copper…”
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    Journal Article
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    Measurement and calculation of fast neutron and gamma spectra in well defined cores in LR-0 reactor by Košťál, Michal, Matěj, Zdeněk, Cvachovec, František, Rypar, Vojtěch, Losa, Evžen, Rejchrt, Jiří, Mravec, Filip, Veškrna, Martin

    Published in Applied radiation and isotopes (01-02-2017)
    “…A well-defined neutron spectrum is essential for many types of experimental topics and is also important for both calibration and testing of spectrometric and…”
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    NEW VALIDATION OF SI CROSS-SECTION USING SILICA SAND by Czakoj, Tomáš, Košťál, Michal, Losa, Evžen, Rypar, Vojtěch

    Published in EPJ Web of conferences (2021)
    “…Silicon cross-sections, being important for a criticality safety of final spent fuel disposals, were recently reevaluated within the IAEA INDEN project…”
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    A reference neutron field for measurement of spectrum averaged cross sections by Košťál, Michal, Schulc, Martin, Losa, Evžen, Šimon, Jan, Burianová, Nicola, Novák, Evžen, Mareček, Martin, Uhlíř, Jan, Czakoj, Tomáš, Rypar, Vojtěch, Juříček, Vlastimil, Capote, Roberto, Trkov, Andrej

    Published in Annals of nuclear energy (01-06-2020)
    “…•Setting of reference neutron field in LR-0 reactor.•Calculation and measurement of selected reactions reaction rates in LR-0.•Discrepancies between…”
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    The effect of heavy reflector on neutronic parameters of core by Košt'ál, Michal, Losa, Evžen, Czakoj, Tomáš, Schulc, Martin, Šimon, Jan, Juříček, Vlastimil, Rypar, Vojtěch, Ulmanová, Jana, Trkov, Andrej, Capote, Roberto

    Published in Annals of nuclear energy (01-04-2022)
    “…•Measurement of critical parameters of variously reflected core arrangements.•Measurement of fission density across cores with various neutron…”
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    Measurement of dosimetrical cross sections with 14.05 MeV neutrons from compact neutron generator by Kostal, Michal, Czakoj, Tomáš, Alexa, Petr, Šimon, Jan, Zmeškal, Marek, Schulc, Martin, Krechlerová, Alena, Peltán, Tomáš, Mravec, Filip, Cvachovec, František, Rypar, Vojtěch, Uhlář, Radim, Harkut, Ondřej, Matěj, Zdeněk

    Published in Annals of nuclear energy (01-10-2023)
    “…•Measurement of reaction rates in compact DT generator.•Calculation of neutron flux in targets around compact DT generator.•Determination of DD neutrons in…”
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    Measurement of various monitors reaction rate in a special core at LR-0 reactor by Košt’ál, Michal, Schulc, Martin, Šimon, Jan, Burianová, Nicola, Harutyunyan, Davit, Losa, Evžen, Rypar, Vojtěch

    Published in Annals of nuclear energy (01-02-2018)
    “…•Validation of the flux distribution in the center of a special core.•Calculation of 54Fe(n,A), 54Fe(n,p) and 89Y(n,2n) reaction rates.•Measurement of…”
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    Measurements of neutron transport of well defined silicon filtered beam in lead by Košťál, Michal, Schulc, Martin, Šoltés, Jaroslav, Losa, Evžen, Viererbl, Ladislav, Matěj, Zdeněk, Cvachovec, František, Rypar, Vojtěch

    Published in Applied radiation and isotopes (01-12-2018)
    “…The correct description of neutron transport in lead is an essential task for correct description of tritium production in the DEMO (DEMOnstration Power…”
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    Neutron propagation experiments with a lead test section inserted in the core of the LR-0 reactor by Losa, Evžen, Košťál, Michal, Rypar, Vojtěch, Jánský, Bohumil, Novák, Evžen, Grasso, Giacomo, Sarotto, Massimo, Lodi, Francesco

    Published in Nuclear engineering and design (15-08-2018)
    “…•Transmission experiment with lead section in light water reactor.•Neutron spectrum measurement in energy range of 0.1–10 MeV.•Critical experiment. Validation…”
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    Study of graphite reactivity worth on well-defined cores assembled on LR-0 reactor by Košťál, Michal, Rypar, Vojtěch, Milčák, Ján, Juříček, Vlastimil, Losa, Evžen, Forget, Benoit, Harper, Sterling

    Published in Annals of nuclear energy (01-01-2016)
    “…•A light water critical facility for graphite reactivity worth measurements.•Comparison of calculated and measured keff.•Effect of graphite description on…”
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    Determining the axial power profile of partly flooded fuel in a compact core assembled in reactor LR-0 by Košťál, Michal, Švadlenková, Marie, Baroň, Petr, Rypar, Vojtěch, Milčák, Ján

    Published in Annals of nuclear energy (01-04-2016)
    “…•Fission density in partly flooded compact core.•Calculation of fission density axial profile.•Significant calculational under prediction of experimental axial…”
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    NEUTRON FIELD MOCK-UP DEVELOPMENT FOR THE FLUORIDE SALT REACTORS NEUTRONIC RESEARCH by Losa, Evžen, Košťál, Michal, Czakoj, Tomáš, Šimon, Jan, Burianová, Nicola, Juříček, Vlastimil, Rypar, Vojtěch

    Published in EPJ Web of conferences (01-01-2021)
    “…Experimental work at the LR-0 reactor was carried out to determine the possibility of the mock-up neutron field creation for the fluoride salt-based reactors…”
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    Characterization of mixed N/G beam of the VR-1 reactor by Košťál, Michal, Losa, Evžen, Matěj, Zdeněk, Juříček, Vlastimil, Harutyunyan, Davit, Huml, Ondřej, Štefánik, Milan, Cvachovec, František, Mravec, Filip, Schulc, Martin, Czakoj, Tomáš, Rypar, Vojtěch

    Published in Annals of nuclear energy (01-12-2018)
    “…•Validation of the neutron spectra in VR-1 channel.•Measurement of gamma spectra in VR-1 channel.•Comparison of the experimental data with…”
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    Comparison of fast neutron spectra in graphite and FLINA salt inserted in well-defined core assembled in LR-0 reactor by Košťál, Michal, Veškrna, Martin, Cvachovec, František, Jánský, Bohumil, Novák, Evžen, Rypar, Vojtěch, Milčák, Ján, Losa, Evžen, Mravec, Filip, Matěj, Zdeněk, Rejchrt, Jiří, Forget, Benoit, Harper, Sterling

    Published in Annals of nuclear energy (01-09-2015)
    “…•Neutron spectra measured in graphite and LiF+NaF.•Comparison of calculated and measured neutron spectra.•Effect of 19F on variation between various library…”
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