Ing. Jan Rataj Ph.D.

Numerically efficient determination of kinetic parameters of the VR-1 nuclear reactor based on experimental data and ODE-constrained optimization

Year of publication

2025

Publication

Annals of Nuclear Energy. 2025, 211 ISSN 0306-4549.

Authors

Strachota, P. Nývlt, S. Wodecki, A. Rataj, J.

Link

https://doi.org/10.1016/j.anucene.2024.111023

Collimated beams of fast neutrons at the NPI CAS

Year of publication

2025

Publication

Nuclear Instruments and Methods in Physics Research, Section A, Accelerators, Spectrometers, Detectors and Associated Equipment. 2025, 1071 1-13. ISSN 0168-9002.

Authors

Ansorge, M. Majerle, M. Novak, J. Behal, R. Štefánik, M. Rataj, J.

Link

https://doi.org/10.1016/j.nima.2024.170030

Reactivity measurement using pulsed neutron source methods on VR-1 and VR-2 reactors and their verification by SERPENT code

Year of publication

2025

Publication

Annals of Nuclear Energy. 2025, 219 1-16. ISSN 1873-2100.

Authors

Herčík, M. Rataj, J. Huml, O. Fejt, F.

Link

https://doi.org/10.1016/j.anucene.2025.111432

Measurement of prompt neutron capture gamma coming from iron and chlorine

Year of publication

2024

Publication

Annals of Nuclear Energy. 2024, 198 ISSN 0306-4549.

Authors

Czakoj, T. Košťál, M. Novák, E. Losa, E. Rataj, J.

Link

https://doi.org/10.1016/j.anucene.2023.110317

The future of electricity and heating: (small) reactors and/or renewables?

Year of publication

2024

Publication

Energetika. 2024, 2024(5), 24-28. ISSN 0375-8842.

Authors

Toufar, J. Rataj, J. Novák, O. Pešek, M. Vobr, F. Katovský, K. Radil, L.

Measurement of prompt gamma production from neutron capture on manganese

Year of publication

2023

Publication

Radiation Physics and Chemistry. 2023, 202 ISSN 0969-806X.

Authors

Czakoj, T. Košťál, M. Losa, E. Novák, E. Šimon, J. Schulc, M. Mravec, F. Cvachovec, F. Rataj, J. Matěj, Z.

Link

https://doi.org/10.1016/j.radphyschem.2022.110542

Online training and education from the VR-1 reactor - lessons learned

Year of publication

2023

Publication

Nuclear Engineering and Technology. 2023, 55(12), 4465-4471. ISSN 1738-5733.

Authors

Novák, O. Bílý, T. Huml, O. Sklenka, Ľ. Fejt, F. Rataj, J.

Link

https://doi.org/10.1016/j.net.2023.08.020

APPLICATION OF THE SOURCE-JERK METHOD USING A NEUTRON GENERATOR IN A SUBCRITICAL REACTOR

Year of publication

2023

Publication

Acta Polytechnica. 2023, 63(5), 356-363. ISSN 1805-2363.

Authors

Mátl, J. Rataj, J. Suk, P.

Link

https://doi.org/10.14311/AP.2023.63.0356

Utilization of PARCS/Serpent in small-scale reactor – Multiplication factor, rod worth, and transient

Year of publication

2022

Publication

Annals of Nuclear Energy. 2022, 166 ISSN 0306-4549.

Authors

Fejt, F. Suk, P. Frýbort, J. Rataj, J.

Link

https://doi.org/10.1016/j.anucene.2021.108757

The project of VR-2 subcritical assembly

Year of publication

2022

Publication

Nuclear Engineering and Design. 2022, 386 ISSN 0029-5493.

Authors

Rataj, J. Fejt, F. Frýbort, J. Sklenka, Ľ. Kokta, M.

Link

https://doi.org/10.1016/j.nucengdes.2021.111578

Validation of the Fast Neutron Field in the Radial Channel of the VR-1 Reactor

Year of publication

2021

Publication

Journal of Nuclear Engineering and Radiation Science. 2021, 7(2) 021503-1-021503-9. ISSN 2332-8983.

Authors

Losa, E. Košťál, M. Štefánik, M. Šimon, J. Czakoj, T. Matěj, Z. Cvachovec, F. Mravec, F. Rataj, J. Sklenka, Ľ.

Link

https://doi.org/10.1115/1.4048906

Benchmark on neutron flux spatial effects in subcritical system based on IRT-4 M fuel for near-core positions

Year of publication

2021

Publication

Annals of Nuclear Energy. 2021, 157 ISSN 0306-4549.

Authors

Bílý, T. Rataj, J. Kladiva, P.

Link

https://doi.org/10.1016/j.anucene.2021.108231

Evaluation of end of cycle plutonium isotopic content in a VVER-1000 reactor using a 3D full-core simulator

Year of publication

2021

Publication

Nuclear Engineering and Design. 2021, 377 ISSN 0029-5493.

Authors

Suk, P. Rataj, J. Chvála, O. Maldonádo, I.G. Luciano, N.P.

Link

https://doi.org/10.1016/j.nucengdes.2021.111133

Characterisation of neutron field in the polyethylene neutron irradiator

Year of publication

2021

Publication

Applied Radiation and Isotopes. 2021, 168 ISSN 1872-9800.

Authors

Rataj, J. Suk, P. Bílý, T. Štefánik, M. Frýbort, J.

Link

https://doi.org/10.1016/j.apradiso.2020.109529

Laboratory Portrait: Czech Technical University, VR-1 Reactor Laboratory

Year of publication

2021

Publication

Nuclear Science and Instrumentation Newsletter. 2021, 2021(2), 17-19. ISSN 1020-7120.

Authors

Rataj, J. Bílý, T.

Neutron activation analysis of Tibetan traditional medicinal pills at the VR-1 training reactor

Year of publication

2020

Publication

Radiation Physics and Chemistry. 2020, 167 ISSN 0969-806X.

Authors

Štefánik, M. Sklenka, Ľ. Cesnek, M. Miglierini, M. Rataj, J.

Link

https://doi.org/10.1016/j.radphyschem.2019.108554

Neutron activation analysis of Tibetan traditional medicinal pills at the VR-1 training reactor

Year of publication

2019

Publication

Radiation Physics and Chemistry. 2019, 160 96-99. ISSN 0969-806X.

Authors

Štefánik, M. Sklenka, Ľ. Cesnek, M. Miglierini, M. Rataj, J.

Link

https://doi.org/10.1016/j.radphyschem.2019.03.020

Effect of kinetics parameters on transients calculations in external source driven subcritical VR-1 reactor

Year of publication

2019

Publication

Annals of Nuclear Energy. 2019, 123(2019), 97-109. ISSN 0306-4549.

Authors

Bílý, T. Rataj, J. Huml, O. Chvála, O.

Link

https://doi.org/10.1016/j.anucene.2018.09.007

Activation Analysis of Tibetan Coins and Thermal Neutron Flux Measurement at the VR-1 Training Reactor

Year of publication

2019

Publication

Radiation Physics and Chemistry. 2019, 155 304-309. ISSN 0969-806X.

Authors

Štefánik, M. Sklenka, Ľ. Huml, O. Rataj, J.

Link

https://doi.org/10.1016/j.radphyschem.2018.06.032

New research reactor protection system

Year of publication

2019

Publication

Kerntechnik. 2019, 2019 (84)(18.1.19), 4-15. ISSN 0932-3902.

Authors

Kropík, M. Rataj, J. Šunka, M. Reisner, L. Matousek, J. Jakes, M.

Link

https://doi.org/10.3139/124.110935

Study of dietary supplements compositions by neutron activation analysis at the VR-1 training reactor

Year of publication

2017

Publication

Radiation Physics and Chemistry. 2017, 140 471-474. ISSN 0969-806X.

Authors

Štefánik, M. Rataj, J. Huml, O. Sklenka, Ľ.

Link

https://doi.org/10.1016/j.radphyschem.2017.03.017

Experimental Capabilities for Metal Cooled Reactors in Czech Republic

Year of publication

2016

Publication

PROBLEMS OF ATOMIC SCIENCE AND TECHNOLOGY Series: Nuclear and Reactor Constants. 2016, 2016(1), 123-130. ISSN 2414-1038.

Authors

Losa, E. Rataj, J. Bílý, T. Katovský, K. Košťál, M.

Development of neutron instrumentation for research reactors - successful cooperation between industry and university

Year of publication

2016

Publication

Bezpečnost jaderné energie. 2016, 24(9/10), 290-294. ISSN 1210-7085.

Authors

Rataj, J. Kropík, M. Reisner, L. Kochová, M

The D-D neutron generator at the VR-1 reactor

Year of publication

2016

Publication

Bezpečnost jaderné energie. 2016, 24(11/12), 351-359. ISSN 1210-7085.

Authors

Rataj, J. Bílý, T.