People

Ing. Jan Štěpánek, Ph.D.

j.stepanek (at) fs.cvut.cz

(22 435) 3282

room: G3-128, Dejvice

Navigation

• Grants
• Journal papers
• Proceeding papers
• Software
• Report

More informations available in external application. V3S.

Grants

• SVK 24/24/F2  
  Cenelín 2024 – Štěpánek, J. (2024)
• SVK 23/23/F2  
  Cenelín 2023 – Štěpánek, J. (2023)
• SVK 23/22/F2  
  Cenelín 2022 – Štěpánek, J. (2022)

Journal papers

2024

• Thermodynamic analysis of compressed CO2 energy storage in salt caverns with gravel stabilization – Štěpánek, J. - Minkley, W. - Syblík, J., - Dostál, V., Journal of Energy Storage. 2024, 82 1-18. ISSN 2352-152X.

2023

• Preliminary design of supercritical CO2 axial compressor for fusion and nuclear power plants – Syblík, J. - Štěpánek, J. - Vesely, L. - Entler, S., - Dostál, V., Fusion Engineering and Design. 2023, 192 ISSN 0920-3796.
• Techno-economic comparison of DEMO power conversion systems – Syblík, J. - Veselý, L. - Štěpánek, J. - Entler, S., - Dostál, V., Energy Reports. 2023, 9 2777-2786. ISSN 2352-4847.

2022

• Axial sCO2 high-performance turbines parametric design – Štěpánek, J. - Syblík, J., - Entler, S., Energy Conversion and Management. 2022, 2022(274), 1-13. ISSN 0196-8904.
• Fusion DEMO sCO(2 )layout design with battery farm – Syblík, J. - Entler, S. - Veselý, L. - Štěpánek, J., - Dostál, V., Energy. 2022, 249 ISSN 1873-6785.

2021

• Energiespeicherung in Salzkavernen mit superkritischem CO2 – Minkley, W. - Brandt, M. - Dostál, V. - Štěpánek, J., - Lehmann, J., Erdöl, Erdgas, Kohle. 2021, 137(1), 15-21. ISSN 0179-3187.
• Optimization of S-CO(2) power conversion layouts with energy storage for the pulsed DEMO reactor – Syblík, J. - Entler, S. - Štěpánek, J. - Dostál, V. - Zácha, P., - Veselý, L., Fusion Engineering and Design. 2021, 169 ISSN 0920-3796.
• Conceptual model of a solid energy storage for the pulsed demonstration fusion power plant – Zácha, P. - Žabčíková, M. - Entler, S. - Štěpánek, J. - Dostál, V., - Syblík, J., Fusion Engineering and Design. 2021, 168 ISSN 0920-3796.
• Optimization of the supercritical CO2 power conversion system based on the net efficiency under conditions of the pulse-operated fusion power reactor DEMO – Entler, S. - Syblík, J. - Dostál, V. - Štěpánek, J., - Zácha, P., Applied Thermal Engineering. 2021, 194 ISSN 1359-4311.
• Comprehensive comparison of various working media and corresponding power cycle layouts for the helium-cooled DEMO reactor – Štěpánek, J. - Entler, S. - Syblík, J. - Veselý, L. - Dostál, V., - Zácha, P., Fusion Engineering and Design. 2021, 166 ISSN 1873-7196.

2020

• Parametric study of S-CO2 cycles for the DEMO fusion reactor – Štěpánek, J. - Entler, S. - Syblík, J. - Veselý, L. - Dostál, V., - Zácha, P., Fusion Engineering and Design. 2020, 160 ISSN 0920-3796.
• Optimization of Supercritical CO2 Power Conversion System with an Integrated Energy Storage for the Pulsed DEMO – Veselý, L. - Syblík, J. - Entler, S. - Štěpánek, J. - Zácha, P., - Dostál, V., IEEE Transactions on Plasma Science. 2020, 48(6), 1715-1720. ISSN 0093-3813.

2019

• Analysis of supercritical CO2 Brayton power cycles in nuclear and fusion energy – Syblík, J. - Veselý, L. - Entler, S. - Štěpánek, J., - Dostál, V., Fusion Engineering and Design. 2019, 2019(146), 1520-1523. ISSN 0920-3796.

2017

• Effective water cooling of very hot surfaces during the LOCA accident – Štěpánek, J. - Bláha, V. - Dostál, V., - Entler, S., Fusion Engineering and Design. 2017, 124 1211-1214. ISSN 0920-3796.
• Optimization of electron beam irradiation at HELCZA experiment – Štěpánek, J. - Škoda, R., Fusion Engineering and Design. 2017, 124 321-323. ISSN 0920-3796.
• Design of the divertor targets shielding frame of the HELCZA high heat flux experimental complex – Zácha, P. - Veselý, L., - Štěpánek, J., Fusion Engineering and Design. 2017, 124 360-363. ISSN 0920-3796.

2014

• CFD studie vlivu distančních mřížek a turbulizujících lopatek na proudění v experimentálním palivovém svazku s geometrií VVER-1000 – Štěpánek, J. - Železný, V., Bezpečnost jaderné energie. 2014, 22(1/2), 18-21. ISSN 1210-7085.

Proceeding papers

2023

• Energy Storage in Salt Caverns with Supercritical and Transcritical CO2 – Minkley, W. - Brandt, M. - Naumann, D. - Štěpánek, J., - Dostál, V., In: International Geomechanics Symposium. Alexandria: American rock association, 2023. p. 1-8.
• 1D Modelling of Printed Circuit Heat Exchanger for Demo Fusion Power Plant – Junek, M. - Štěpánek, J. - Jun, G. - Zácha, P., - Entler, S., In: Proceedings of the 10th International Conference on Fluid Flow, Heat and Mass Transfer (FFHMT’23) Ottawa, Canada – June 07-09, 2023. Ottawa: Avestia Publishing, International ASET Inc., 2023. ISSN 2369-3029. ISBN 978-1-990800-24-5.

2019

• ADVANCED S-CO2 BRAYTON POWER CYCLES IN NUCLEAR AND FUSION ENERGY – Syblík, J. - Veselý, L. - Entler, S. - Dostál, V., - Štěpánek, J., In: PROCEEDINGS OF THE ASME TURBO EXPO: TURBOMACHINERY TECHNICAL CONFERENCE AND EXPOSITION. New York: American Society of Mechanical Engineers - ASME, 2019. 2019. vol. 9. ISBN 978-0-7918-5872-1.

2016

• Effect of Gaseous Admixtures on Cycles With Supercritical Carbon Dioxide – Veselý, L. - Dostál, V., - Štěpánek, J., In: ASME Turbo Expo 2016: Turbomachinery Technical Conference and Exposition. New York: American Society of Mechanical Engineers - ASME, 2016. pp. 459-467. Oil and Gas Applications; Supercritical CO2 Power Cycles; Wind Energy. vol. 9. ISBN 978-0-7918-4987-3.
• QUENCH FRONT PROPAGATION IN THE ANNULAR CHANNEL – Štěpánek, J. - Bláha, V., - Dostál, V., In: ŠIMÁNĚ 2016: Czech-Slovak Student Conference on Nuclear Engineering. Praha: Czech Technical University in Prague, 2016. pp. 97-101. Acta Polytechnica CTU Proceedings. vol. 4. ISSN 2336-5382. ISBN 978-80-01-06069-8.

2015

• The effect of spacer grid's elements on the rewetting velocity – Štěpánek, J. - Dostál, V. - Bláha, V., - Burda, P., In: International Conference on Nuclear Engineering, Proceedings, ICONE 2015. New York: ASME, 2015. ISBN 978-4-88898-256-6.
• The Effect of Spacer Grid's Elements on the Rewetting Velocity – Štěpánek, J. - Dostál, V., - Bláha, V., In: Low Emission Technologies Conference. Praha: České vysoké učení technické v Praze, 2015. pp. 107-111. ISBN 978-80-01-05665-3.

Software

2018

• Studená past - v2 – Štěpánek, J. - Romsy, T., - Zácha, P., [Software] 2018.
• Studená past - v1 – Štěpánek, J. - Romsy, T., - Zácha, P., [Software] 2018.

2016

• Supercritical Carbon Dioxide Heat Cycle Optimization Code – Štěpánek, J. - Veselý, L., - Dostál, V., [Software] 2016.

Report

2023

• Termodynamický model primárního okruhu termojaderné elektrárny s fúzním energetickým reaktorem chlazeným héliem – Štěpánek, J. - Zácha, P. - Syblík, J. - Junek, M., - Plašil, L., [Research Report] 2023. Report no. TK03030087-V3.

2016

• ATHR cycle optimisation – Škoda, R. - Škarohlíd, J. - Štěpánek, J. - Zácha, P. - Železný, V. - Dostál, V., - Veselý, L., [Research Report] Potchestroom: North-West University, 2016. Report no. 201601.

2015

• Development of Supercritical Carbon Dioxide Cycle for Waste Heat Recovery – Dostál, V. - Petr, V. - Kolovratník, M. - Dlouhý, T. - Škoda, R. - Veselý, L. - Štěpánek, J. - Romsy, T. - Burian, O. - Zácha, P. - Železný, V., - Kolčaba, D., [Research Report] 2015.