Ing Jaroslav Krbec, Ph.D. [ Scientific Worker, Tokamak Department ]

Place: Tokamak Building, Office: F 210
Tel.: (+420) 266 053396
Email: krbec@ipp.cas.cz

Research Interests

Toroidal field coils design
Plasma density measurement using Li-BES
Plasma turbulence
Plasma diagnostics

Researcher Identifiers

ResearcherID: H-2234-2014

Scopus ID: 56695066900

Google Scholar

ResearchGate: J. Krbec

orcid.org/0000-0002-3780-6257

Education

2020	Ph.D. Czech Technical University in Prague, Faculty of Nuclear Sciences and Physical Engineering Study of turbulence on the COMPASS tokamak using different diagnostic systems
2013	Master's degree Measurement of edge plasma density by energetic beam of Li atoms on the COMPASS tokamak

Supervised students

2024 - now

Momoko Kato
Preparation of Master thesis
Electrical analysis and testing of the sliding joint for COMPASS-U tokamak

Research projects

2019-2022	The impact of error fields on enhanced confinement regimes in tokamaks Co-investigator Provider: Czech Science Foundation; Project ID: GA19-15229S
2016-2018	Study of Zonal flows and Alfvén eigenmodes in the COMPASS tokamak plasma Co-investigator Provider: Czech Science Foundation; Project ID: GA16-25074S
2014-2015	Power decay-length scaling and pedestal scaling studies and related diagnostics in support of MST and JET Co-investigator Provider: Euratom under European Fusion Development Agreement; Project ID: *WP14-MST2-12

List of Publications


2023	Krbec J., Vondráček P., Králík T., Konopík M., Junek P., Hromádka J., Hron M., Pánek R.: Material selection for cryogenically cooled toroidal field coils of the COMPASS-U tokamak. Fusion Engineering and Design 192 [July] (2023) č. článku 113600. [ Abstract ] [ Link ]
	Mácha P., Adámek J., Seidl J., Stöckel J., Svoboda V., Van Oost G., Lobko L., Krbec J.: Spontaneous formation of a transport barrier in helium plasma in a tokamak with circular configuration. Nuclear Fusion 63 [10] (2023) č. článku 104003. [ Abstract ] [ Link ]
	Kripner L., Krbec J., Zelda J., Markovič T., Titus P., Vondráček P., Ficker O., Hron M.: Toroidal magnetic field ripple in the presence of misaligned toroidal field coils on the COMPASS-U tokamak. Fusion Engineering and Design 187 [February] (2023) č. článku 113378. [ Abstract ] [ Link ]
2022	Titus P., Krbec J., Zhang H., Brooks A.: Combined Normal and Disruption, Electromagnetic Transient, Thermal, and Structural Analysis of COMPASS Upgrade. IEEE Transactions on Plasma Science 50 [11] (2022) 4304-4310. [ Abstract ] [ Link ]
2021	Adámek J., Cipciar A., Devitre A., Horáček J., Cavalier J., Komm M., Krbec J., Tichý M., Trunec D., Böhm P., Pánek R.: Ion temperature measurements in the tokamak scrape-off layer with high temporal resolution. Nuclear Fusion 61 [3] (2021) č. článku 036023. [ Abstract ] [ Link ]
	Khodunov I., Komm M., Havránek A., Adámek J., Böhm P., Cavalier J., Seidl J., Devitre A., Dimitrova M., Elmore S., Faitsch M., Háček P., Havlíček J., Hron M., Imríšek M., Krbec J., Peterka M., Pánek R., Samoylov O., Tomeš M., Tomova B., Vondráček P., Weinzettl V.: Real-time feedback system for divertor heat flux control at COMPASS tokamak. Plasma Physics and Controlled Fusion 63 [6] (2021) č. článku 065012. [ Abstract ] [ Link ]
	Vondráček P., Pánek R., Hron M., Havlíček J., Weinzettl V., Todd T., Tskhakaya D., Cunningham G., Háček P., Hromádka J., Junek P., Krbec J., Patel N., Šesták D., Varju J., Adámek J., Balázsová M., Balner V., Bartoň P., Bielecki J., Bílková P., Błocki J., Bocian D., Bogár K., Bogár O., Boócz P., Borodkina I., Brooks A., Böhm P., Burant J., Casolari A., Cavalier J., Chappuis R., Dejarnac R., Dimitrova M., Dudák M., Ďuran I., Ellis R., Entler S., Fang J., Farník M., Ficker O., Fridrich D., Fuková Š., Gerardin J., Hanák I., Havránek A., Herrmann A., Horáček J., Hronová-Bilyková O., Imríšek M., Isernia N., Jaulmes F., Jeřáb M., Kindl V., Komm M., Kovařík K., Král M., Kripner L., Macúšová E., Majer T., Markovič T., Matveeva E., Mikszuta-Michalik K., Mohelník M., Mysiura I., Naydenkova D., Němec I., Ortwein R., Patočka K., Peterka M., Podolník A., Procházka F., Převrátil J., Řeboun J., Scalera V., Scholz M., Svoboda J., Swierblewski J., Šos M., Tadros M., Titus J. H., Tomeš M., Torres A., Tracz G., Turjanica P., Varavin M., Veselovský V., Villone F., Wąchal P., Yanovskiy V., Zadvitskiy G., Zajac J., Žák A., Zaloga D., Zelda J., Zhang H.: Preliminary design of the COMPASS upgrade tokamak. Fusion Engineering and Design 169 [August] (2021) č. článku 112490. [ Abstract ] [ Link ]
2019	Wachal P., Błocki J., Hromádka J., Háček P., Šesták D., Havlíček J., Junek P., Imríšek M., Kripner L., Peterka M., Bartoň P., Havránek A., Jeřáb M., Krbec J., Balner V., Pánek R.: Development and mechanical investigation of central solenoid structure for COMPASS-U tokamak. AIP Conference Proceedings. Vol. 2239. Melville: AIP Publishing LLC, 2020, Roč. 2239 (2020), č. článku 020047. ISBN 978-073541998-8. [ Abstract ] [ Link ] [4th Polish Congress of Mechanics. Krakow (PL), 08.09.2019-12.09.2019]
	Weinzettl V., Adámek J., Bílková P., Havlíček J., Pánek R., Hron M., Bogár O., Böhm P., Casolari A., Cavalier J., Dejarnac R., Dimitrova M., Ďuran I., Entler S., Ficker O., Háček P., Horáček J., Imríšek M., Jaulmes F., Kovařík K., Krbec J., Kripner L., Markovič T., Naydenkova D., Peterka M., Podolník A., Pova F., Šos M., Šesták D., Tomeš M., Varavin M., Varju J., Vondráček P., Zajac J.: Constraints on conceptual design of diagnostics for the high magnetic field COMPASS-U tokamak with hot walls. Fusion Engineering and Design 146 [September] (2019) 1703-1707. [ Abstract ] [ Link ]
	Komm M., Khodunov I., Cavalier J., Vondráček P., Henderson S., Seidl J., Horáček J., Naydenkova D., Adámek J., Bílková P., Böhm P., Devitre A., Dimitrova M., Elmore S., Faitsch M., Háček P., Havlíček J., Havránek A., Imríšek M., Krbec J., Peterka M., Pánek R., Samoylov O., Šos M., Tomeš M., Tomova B., Weinzettl V.: Divertor impurity seeding experiments at the COMPASS tokamak. Nuclear Fusion 59 [10] (2019) č. článku 106035. [ Abstract ] [ Link ]
	Ficker O., Macúšová E., Mlynář J., Břeň D., Casolari A., Čeřovský J., Farník M., Grover O., Havlíček J., Havránek A., Hron M., Imríšek M., Jeřáb M., Krbec J., Kulhánek P., Linhart V., Marcisovský M., Markovič T., Naydenkova D., Pánek R., Šos M., Svihra P., Svoboda V., Tomeš M., Urban J., Varju J., Vlainic M., Vondráček P., Vrba V., Weinzettl V., Carnevale D., Decker J., Gobbin M., Gospodarczyk M., Papp G., Peysson Y., Plyusnin V.V., Rabinski M., Reux C.: Runaway electron beam stability and decay in COMPASS. Nuclear Fusion 59 [9] (2019) č. článku 096036. [ Abstract ] [ Link ]
	Kripner L., Tomeš M., Urban J., Grover O., Ficker O., Macúšová E., Peterka M., Krbec J., Jaulmes F., Čeřovský J., Fridrich D.: Towards the integrated analysis of tokamak plasma equilibria: Pleque. Europhysics Conference Abstracts. Milán: European Physical Society, 2019, (2019), č. článku P4.1033. ISBN 979-10-96389-11-7. [ Abstract ] [ Link ] [46th European Physical Society Conference on Plasma Physics. Milán (IT), 08.07.2019-12.07.2019]
	Bencze A., Berta M., Buzássyová K., Háček P., Krbec J., Szutyányi M.: Characterization of edge and scrape-off layer fluctuations using the fast Li-BES system on COMPASS. Plasma Physics and Controlled Fusion 61 [8] (2019) č. článku 085014. [ Abstract ] [ Link ]
2018	Podolník A., Komm M., Adámek J., Háček P., Krbec J., Dejarnac R., Gunn J. P., Pánek R.: 3D particle-in-cell modeling of Langmuir probe effective collecting area in magnetized plasma. Plasma Physics and Controlled Fusion 60 [8] (2018) č. článku 085008. [ Abstract ] [ Link ]
	Grover O., Seidl J., Refy D., Adámek J., Vondráček P., Tomeš M., Junek P., Háček P., Krbec J., Weinzettl V., Hron M., Zoletnik S.: Limit cycle oscillations measurements with Langmuir and ball-pen probes on COMPASS. Nuclear Fusion 58 [11] (2018) č. článku 112010. [ Abstract ] [ Link ] [16th International Workshop on H-mode Physics and Transport Barriers. Petrohrad, 13.09.2017-13.09.2017]
	Krbec J., Háček P., Berta M., Seidl J., Hron M., Pánek R.: Fast density reconstruction of Li-BES signal on the COMPASS tokamak. Review of Scientific Instruments 89 [11] (2018) č. článku 113504. [ Abstract ] [ Link ]
	Háček P., Berta M., Anda G., Aradi M., Bencze A., Dunai D., Krbec J., Pánek R., Refy D.I., Stöckel J., Weinzettl V., Zoletnik S.: Development of an ion beam detector for the atomic beam probe diagnostic. Review of Scientific Instruments 89 [11] (2018) č. článku 113506. [ Abstract ] [ Link ]
2017	Komm M., Bílková P., Aftanas M., Berta M., Böhm P., Bogár O., Frassinetti L., Grover O., Háček P., Havlíček J., Hron M., Imríšek M., Krbec J., Mitošinková K., Naydenkova D., Pánek R., Peterka M., Snyder P.B., Stefanikova E., Stöckel J., Šos M., Urban J., Varju J., Vondráček P., Weinzettl V.: Contribution to the multi-machine pedestal scaling from COMPASS tokamak. Nuclear Fusion 57 [5] (2017) č. článku 056041. [ Abstract ] [ Link ] [IAEA Fusion Energy Conference (FEC 2016)/26./. Kyoto, 17.10.2016-22.10.2016]
	Markovič T., Peterka M., Pánek R., Havlíček J., Bílková P., Cahyna P., Evans T., Háček P., Krbec J., Hron M., Liu Y., Tomeš M., Urban J., Weinzettl V.: Plasma response to n=2 HFS RMP fields on COMPASS. 643. WE-Heraeus-Seminar: Impact of 3D Magnetic Fields on Hot Plasmas. Vol. 643. Jülich: Forschungszentrum Jülich GmbH, 2017 - (Liang, Y.; Sunn Pedersen, T.; Schmitz, O.; Günter, S.), č. článku O3.3. WE-Heraeus-Seminar, 643. ISBN N. [ Abstract ] [WE-Heraeus-Seminar: Impact of 3D magnetic fields on hot plasmas/643./. Bad Honnef (DE), 22.05.2017-24.05.2017]
	Camilo de Souza F., Elfimov A., Galvao R.M.O., Krbec J., Seidl J., Stöckel J., Hron M., Havlíček J., Mitošinková K.: Geodesic mode instability driven by electron and ion fluxes during neutral beam injection in tokamaks. Physics Letters. A 381 [36] (2017) 3066-3070. [ Abstract ] [ Link ]
	Weinzettl V., Adámek J., Berta M., Bílková P., Bogár O., Böhm P., Cavalier J., Dejarnac R., Dimitrova M., Ficker O., Fridrich D., Grover O., Háček P., Havlíček J., Havránek A., Horáček J., Hron M., Imríšek M., Komm M., Kovařík K., Krbec J., Markovič T., Matveeva E., Mitošinková K., Mlynář J., Naydenkova D., Pánek R., Papřok R., Peterka M., Podolník A., Seidl J., Šos M., Stöckel J., Tomeš M., Varavin M., Varju J., Vlainic M., Vondráček P., Zajac J., Žáček F., Stano M., Anda G., Dunai D., Krizsanóczi T., Refy D., Zoletnik S., Silva A., Gomes R., Pereira T., Popov Tsv., Sarychev D., Ermak G.P., Zebrowski J., Jakubowski M., Rabinski M., Malinowski K., Nanobashvili S., Spolaore M., Vianello N., Gauthier E., Gunn J. P., Devitre A.: Progress in diagnostics of the COMPASS tokamak. Journal of Instrumentation 12 [December] (2017) č. článku C12015. [ Abstract ] [ Link ] [European Conference on Plasma Diagnostics (ECPD2017)/2./. Bordeaux, 18.04.2017-21.04.2017]
	Refy D.I., Zoletnik S., Grover O., Seidl J., Hron M., Dunai D., Anda G., Bencze A., Háček P., Krbec J., Weinzettl V.: Characterization of the electron density profile dynamic and flow velocity modulation during oscillations close to the L-H threshold at COMPASS. EPS 2017: 44th European Physical Society Conference on Plasma Physics. Vol. 41F. Mulhouse: European Physical Society, 2017 - (Fajardo, M.; Westerhof, E.; Riconda, C.; Melzer, A.; Bret, A.; Dromey, B.), č. článku P4.178. Europhysics Conference Abstracts (ECA). ISBN 979-10-96389-07. [ Abstract ] [EPS 2017 Conference on Plasma Physics/44./. Belfast (IE), 26.06.2017-30.06.2017]
	Komm M., Cavalier J., Seidl J., Adámek J., Bílková P., Böhm P., Devitre A., Dimitrova M., Elmore S., Faitsch M., Háček P., Havlíček J., Imríšek M., Krbec J., Peterka M., Pánek R., Popov T., Tomeš M., Weinzettl V.: First detachment studies on COMPASS tokamak using nitrogen seeding. EPS 2017: 44th European Physical Society Conference on Plasma Physics. Vol. 41F. Mulhouse: European Physical Society, 2017 - (Fajardo, M.; Westerhof, E.; Riconda, C.; Melzer, A.; Bret, A.; Dromey, B.), č. článku P1.118. Europhysics Conference Abstracts (ECA). ISBN 979-10-96389-07. [ Abstract ] [EPS 2017 Conference on Plasma Physics/44./. Belfast (IE), 26.06.2017-30.06.2017]
	Dimitrova M., Popov Tsv.K., Dejarnac R., Komm M., Cavalier J., Seidl J., Krbec J., Stöckel J., Weinzettl V., Háček P., Pánek R.: EEDF in the COMPASS open divertor during a detachment experiment. EPS 2017: 44th European Physical Society Conference on Plasma Physics. Vol. 41F. Mulhouse: European Physical Society, 2017 - (Fajardo, M.; Westerhof, E.; Riconda, C.; Melzer, A.; Bret, A.; Dromey, B.), č. článku P2.105. Europhysics Conference Abstracts (ECA). ISBN 979-10-96389-07. [ Abstract ] [EPS 2017 Conference on Plasma Physics/44./. Belfast (IE), 26.06.2017-30.06.2017]
	Podolník A., Komm M., Adámek J., Háček P., Krbec J., Dejarnac R., Pánek R., Gunn J. P.: Particle-in-cell simulations of Langmuir probes at COMPASS tokamak. EPS 2017: 44th European Physical Society Conference on Plasma Physics. Vol. 41F. Mulhouse: European Physical Society, 2017 - (Fajardo, M.; Westerhof, E.; Riconda, C.; Melzer, A.; Bret, A.; Dromey, B.), č. článku P1.110. Europhysics Conference Abstracts (ECA). ISBN 979-10-96389-07. [ Abstract ] [EPS 2017 Conference on Plasma Physics/44./. Belfast (IE), 26.06.2017-30.06.2017]
	Pánek R., Markovič T., Cahyna P., Dejarnac R., Havlíček J., Horáček J., Hron M., Imríšek M., Junek P., Komm M., Šesták D., Urban J., Varju J., Weinzettl V., Adámek J., Bílková P., Böhm P., Dimitrova M., Háček P., Kovařík K., Krbec J., Mlynář J., Podolník A., Seidl J., Stöckel J., Tomeš M., Zajac J., Mitošinková K., Peterka M., Vondráček P.: Conceptual design of the COMPASS upgrade tokamak. Fusion Engineering and Design 123 [October] (2017) 11-16. [ Abstract ] [ Link ] [SOFT 2016: Symposium on Fusion Technology /29./. Prague, 05.09.2016-09.09.2016]
	Seidl J., Krbec J., Hron M., Adámek J., Hidalgo C., Markovič T., Melnikov A.V., Stöckel J., Weinzettl V., Aftanas M., Bílková P., Bogár O., Böhm P., Eliseev L.G., Háček P., Havlíček J., Horáček J., Imríšek M., Kovařík K., Mitošinková K., Pánek R., Tomeš M., Vondráček P.: Electromagnetic characteristics of geodesic acoustic mode in the COMPASS tokamak. Nuclear Fusion 57 [12] (2017) č. článku 126048. [ Abstract ] [ Link ]
	Meyer H., Adámek J., Bílková P., Bogár O., Böhm P., Cahyna P., Dimitrova M., Ficker O., Háček P., Horáček J., Imríšek M., Komm M., Kovařík K., Krbec J., Markovič T., Mitošinková K., Mlynář J., Papřok R., Peterka M., Petržílka V., Seidl J., Urban J., Vondráček P., Weinzettl V.: Overview of progress in European medium sized tokamaks towards an integrated plasma-edge/wall solution. Nuclear Fusion 57 [10] (2017) č. článku 102014. [ Abstract ] [ Link ]
2016	Anda G., Bencze A., Berta M., Dunai D., Háček P., Krbec J., Réfy D., Krizsanóczi T., Bató S., Ilkei T., Kiss I.G., Veres G., Zoletnik S.: Lithium beam diagnostic system on the COMPASS tokamak. Fusion Engineering and Design 108 [October] (2016) 1-6. [ Abstract ] [ Link ]
	Elfimov A.G., Camilo de Souza F., Galvao R.M.O., Krbec J., Seidl J., Stöckel J., Hron M., Havlíček J., Mitošinková K.: Geodesic mode instability driven by electron and ion fluxes in tokamaks. EPS 2016: 43rd European Physical Society Conference on Plasma Physics. Vol. 40A. Mulhouse: European Physical Society, 2016 - (Mantica, P.; Giruzzi, G.; Fajardo, M.; Gans, T.; Poedts, S.; Vennekens, N.), P2.038. Europhysics Conference Abstracts (ECA), ECA, 40A. ISBN 2-914771-99-1. [ Abstract ] [EPS 2016: Conference on Plasma Physics/43./. Leuven (BE), 04.07.2016-08.07.2016]
2015	Svoboda V., Kocman J., Grover O., Krbec J., Stöckel J.: Remote operation of the vertical plasma stabilization @ the GOLEM tokamak for the plasma physics education. Engineering and Design. [October] (2015) 974-979. [ Abstract ] [ Link ] [Symposium on Fusion Technology 2014(SOFT-28)/28./. San Sebastián, 29.09.2014-03.10.2014]
	Berta M., Anda G., Bencze A., Dunai D., Háček P., Hron M., Kovácsik A., Krbec J., Pánek R., Réfy D., Véres G., Weinzettl V., Zoletnik S.: Li-BES detection system for plasma turbulence measurements on the COMPASS tokamak. Engineering and Design. [October] (2015) 795-798. [ Abstract ] [ Link ] [Symposium on Fusion Technology 2014(SOFT-28)/28./. San Sebastián, 29.09.2014-03.10.2014]
	Háček P., Berta M., Krbec J., Stöckel J., Weinzettl V., Bencze A., Zoletnik S., Anda G.: Measurements with Atomic Beam Probe Diagnostic on the COMPASS Tokamak. WDS 2015 — Proceedings of Contributed Papers — Physics. Prague : MATFYZPRESS, 2015 - (Šafránková, J.; Pavlů, J.), s. 264-268 ISBN 978-80-7378-311-2. - (WDS). [ Abstract ] [WDS - 2015 - 24th Annual Conference of Doctoral Students/24./. Prague (CZ), 02.06.2015-04.06.2015]
	Pánek R., Adámek J., Aftanas M., Bílková P., Böhm P., Brochard F., Cahyna P., Cavalier J., Dejarnac R., Dimitrova M., Grover O., Harrison J., Háček P., Havlíček J., Havránek A., Horáček J., Hron M., Imríšek M., Janky F., Kirk A., Komm M., Kovařík K., Krbec J., Kripner L., Markovič T., Mitošinková K., Mlynář J., Naydenkova D., Peterka M., Seidl J., Stöckel J., Štefániková E., Tomeš M., Urban J., Vondráček P., Varavin M., Varju J., Weinzettl V., Zajac J.: Status of the COMPASS tokamak and characterization of the first H-mode. Plasma Physics and Controlled Fusion 58 [1] (2015) 014015-014015. [ Abstract ] [ Link ]