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Ph.D.
FME, EI DTEE – Assistant professor
+420 54114 3270Ondrej.Hajek3@vutbr.cz
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2026
Ondrej Cejpek Milan Maly Miloslav Belka Erika Rácz Jiri Hajek Ondrej Hajek Jan Jedelsky. Spray–gas counterflow interactions in an absorber column. Separation and purification technology, 2026, vol. 382, iss. 4, p. 1-16.
WoS Article
JEDELSKÝ, J.; VAN DER LAAN, S.; CEJPEK, O.; MALÝ, M.; KADLEC, M.; SMILEK, J.; STRMISKA, P.; HÁJEK, O.; SACHSENHEIMER, D. Effect of shear-thinning on pressure-swirl atomization. INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER, 2026, vol. 255, iss. 2.2026, p. 1-14.
2025
BLATKIEWICZ, M.; HÁJEK, O.; MAJDZIK, M.; MALÝ, M.; JASKULSKI, M. Advanced absorption model of rotating packed beds: Mass transfer in packing and cavity zone. Chemical Engineering Journal, 2025, iss. 524, p. 1-19.
NOVOSAD, P.; MALÝ, M.; CEJPEK, O.; HÁJEK, J.; HÁJEK, O.; JEDELSKÝ, J. Computationally Viable Approach to Twin-Fluid Internal Mixing Atomizer Modeling. In Topical Problems of Fluid Mechanics. Topical Problems of Fluid Mechanics ... PRAGUE 8: Acad Sci Czech Republic, Inst Thermomechanics, 2025. p. 187-194. ISBN: 978-80-87012-05-5.
Paper in proceedings (conference paper)
CEJPEK, O.; MALÝ, M.; PRINZ, F.; HÁJEK, O.; BĚLKA, M.; LINDOVSKÝ, J.; HÁJEK, J.; NOVOSAD, P.; JEDELSKÝ, J. Pressure loss and droplet entrainment under spray absorber conditions. Separation and purification technology, 2025, vol. 354, iss. 8, p. 1-11. ISSN: 1383-5866.
HÁJEK, O.; MALÝ, M.; CEJPEK, O.; BLATKIEWICZ, M.; JEDELSKÝ, J.; HÁJEK, J.; MAJDZIK, M.; JASKULSKI, M.; JÍCHA, M. Analysis of Droplet Motion in Cavity Zone of Rotating Packed Bed. Separation and purification technology, 2025, vol. 357, iss. B, p. 1-12. ISSN: 1873-3794.
HÁJEK, O.; MALÝ, M.; BLATKIEWICZ, M.; MAJDZIK, M.; JASKULSKI, M.; CEJPEK, O.; JÍCHA, M. Analytical Model of Droplet Motion in Rotating Packed Bed. Bozeman, Montana: ILASS Americas, 2025. p. 1.
Paper in proceedings outside WoS and Scopus
BLATKIEWICZ, M.; MAJDZIK, M.; LEWANDOWSKI, G.; PIĄTKOWSKI, M.; JASKULSKI, M.; HÁJEK, O.; MALÝ, M.; GORAK, A. Packing versus cavity: Zone-Specific contributions to mass transfer in rotating packed bed absorption process. Chemical Engineering and Processing-Process Intensification, 2025, vol. 216, iss. 1, p. 1-12. ISSN: 0255-2701.
MALÝ, M.; CEJPEK, O.; LINDOVSKÝ, J.; HÁJEK, J.; HÁJEK, O.; BĚLKA, M.; JEDELSKÝ, J. Importance of atomizer choice for CO2 capture in spray columns. Fuel, 2025, vol. 385, iss. 1, p. 1-10. ISSN: 1873-7153.
PRINZ, F.; KÁNSKÁ, J.; ELCNER, J.; HÁJEK, O.; KUMMERLÄNDER, A.; KRAUSE, M.; JÍCHA, M.; LÍZAL, F. Transport and deposition of inhaled fibers in a realistic female airway model: A combined experimental and numerical study. Computers in Biology and Medicine, 2025, vol. 194, iss. August, p. 1-20.
Scopus Article
2024
MALÝ, M.; CEJPEK, O.; HÁJEK, J.; HÁJEK, O.; JEDELSKÝ, J. Effect of bubble-breaker geometry on spray parameters of effervescent atomizer: preliminary study. Shanghai: ICLASS, 2024. p. 1.
CEJPEK, O.; MALÝ, M.; PRINZ, F.; HÁJEK, O.; JEDELSKÝ, J.; JÍCHA, M. Adaptation of conical liquid sheet and spray morphologies to cross-flowing gas. INTERNATIONAL JOURNAL OF MULTIPHASE FLOW, 2024, vol. 172, iss. february 2024, p. 1-12. ISSN: 0301-9322.
HÁJEK, J.; MALÝ, M.; HÁJEK, O.; CEJPEK, O.; RAPTA, P.; JÍCHA, M. Liquid dispersion in inner cavity of rotating packed bed. In EFM22 – Experimental Fluid Mechanics 2022. EPJ Web of Conferences. EDP Sciences, 2024. p. 1-5. ISSN: 2101-6275.
ELCNER, J.; HÁJEK, O.; JÍCHA, M. Numerical simulation of liquid breakup on the pin packing of rotating packed bed. Shanghai: ICLASS, 2024. p. 1.
CEJPEK, O.; MALÝ, M.; HÁJEK, J.; HÁJEK, O.; BĚLKA, M.; JEDELSKÝ, J. Comparison of droplet dynamics in low-speed gaseous counter flow: Pressure-swirl and twin-fluid spra. Shanghai: ICLASS 2024, 2024. 10 p.
HÁJEK, O.; MALÝ, M.; CEJPEK, O.; BLATKIEWICZ, M.; MAJDZIK, M.; JÍCHA, M. Laser Doppler Velocimetry Analysis of Gas Flow Impact on Droplet Movement in a Rotating Packed Bed. . Shanghai: ICLASS, 2024. iss. , p. 1.
2023
BLATKIEWICZ, M.; WOJTASIK-MALINOWSKA, J.; ZAWADSKI, D.; PIĄTKOWSKI, M.; MALÝ, M.; HÁJEK, O.; CEJPEK, O.; JASKULSKI, M. Modeling and simulation of an enzymatic reactive absorption process in the internal zone of a rotating packed bed apparatus. Chemical Engineering and Processing-Process Intensification, 2023, vol. 189, iss. 1, p. 1-14. ISSN: 0255-2701.
ZAWADSKI, D.; MAJDZIK, M.; HÁJEK, O.; MALÝ, M.; BLATKIEWICZ, M. Improvement of baffle type Rotating Packed Bed’s packing by visual study. Chemical and Process Engineering-New Frontiers, 2023, vol. 44, iss. 3, p. 1-6. ISSN: 2300-1925.
HÁJEK, O.; BOUCHAL, P.; MALÝ, M.; ZAWADSKI, D.; BLATKIEWICZ, M.; JÍCHA, M. Comparative analysis of droplet characteristics generated in the outer cavity of RPB for two packings. Jeju: Ilass Asia 2023, 2023. p. 207.
HÁJEK, O.; MALÝ, M.; JEDELSKÝ, J.; VANKESWARAM, S.; CEJPEK, O.; PRINZ, F.; JÍCHA, M. Liquid jet dispersion after impact on a highly curved surface. EXPERIMENTAL THERMAL AND FLUID SCIENCE, 2023, vol. 149, iss. 1, p. 1-12. ISSN: 1879-2286.
2022
HÁJEK, O.; CEJPEK, O.; MALÝ, M.; PRINZ, F.; JÍCHA, M. A dispersion of a droplet flow on crossing wires in an air counterflow. In EFM21 – 15th International Conference “Experimental Fluid Mechanics 2021”. EPJ Web of Conferences. EPJ Web of Conferences, 2022. p. 1-5. ISSN: 2100-014X.
CEJPEK, O.; MALÝ, M.; HÁJEK, O.; PRINZ, F.; AVULAPATI, M.; JEDELSKÝ, J. Pressure Swirl Spray Characteristics Under Cross-flow. 2022. p. 1.
HÁJEK, O.; BOUCHAL, P.; CEJPEK, O.; MALÝ, M.; HÁJEK, J.; PRINZ, F.; ZAWADSKI, D.; BLATKIEWICZ, M.; JÍCHA, M. Characteristics of droplets formed on the outer surface of the rotating packed bed. In EPJ Web of Conferences. EPJ Web of Conferences. EDP Sciences, 2022. p. 1-5. ISSN: 2101-6275.
CEJPEK, O.; MALÝ, M.; BĚLKA, M.; SLÁMA, J.; HÁJEK, O.; PRINZ, F.; JEDELSKÝ, J. Spray in cross–flow: comparison of experimental and numerical approach. In EPJ Web of Conferences. Liberec: EDP Sciences, 2022. p. 1-7. ISSN: 2100-014X.
CEJPEK, O.; MALÝ, M.; HÁJEK, J.; HÁJEK, O.; PRINZ, F.; JEDELSKÝ, J. Evaluation of Orifice Shape Design on Flat Fan Atomization. In EFM22 – Experimental Fluid Mechanics 2022. EPJ Web of Conferences. EDP Sciences, 2022. p. 1-5. ISSN: 2101-6275.
*) Citations are generated once every 24 hours.