Ing.

Ondřej Cejpek

Ph.D.

FME, EI DTEE – Assistant professor

+420 54114 3270
Ondrej.Cejpek@vutbr.cz

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Ing. Ondřej Cejpek, Ph.D.

Publications

  • 2025

    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. 1-6.
    Detail | WWW

    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, no. 8, ISSN: 1383-5866.
    Detail | WWW

    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, no. 1, p. 1-10. ISSN: 1873-7153.
    Detail | WWW

    KUMAR, V.; CEJPEK, O.; MALÝ, M.; JEDELSKÝ, J.; AVULAPATI, M. Comprehensive spray characterization of air-assisted impinging jet atomizer for carbon capture applications. INTERNATIONAL JOURNAL OF MULTIPHASE FLOW, 2025, vol. 184, no. 1, p. 1-15. ISSN: 1879-3533.
    Detail | WWW

    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, no. B, ISSN: 1873-3794.
    Detail | WWW

  • 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. 1-7.
    Detail | WWW

    MALÝ, M.; CEJPEK, O.; HÁJEK, J.; JEDELSKÝ, J. Effect of atomizer performance on CO2 capture efficiency in spray tower: Pressure swirl and Effervescent atomizers. Shanghai: ICLASS, 2024. p. 1-8.
    Detail | WWW

    LÍZAL, F.; PRINZ, F.; MIŠÍK, O.; KÁNSKÁ, J.; BĚLKA, M.; CEJPEK, O.; MALÝ, M.; JEDELSKÝ, J.; ELCNER, J. Experimental and computational modelling of the flow of inhaled fibrous particles in human airways. Abstract Book of European Aerosol Conference 2024 (EAC2024), 25.8. – 30.8.2024, Tampere, Finland. Tampere: Finish Association for Aerosol Research, 2024.
    Detail | WWW

    PRINZ, F.; LÍZAL, F.; CEJPEK, O.; HÁJEK, O.; JÍCHA, M. On the transport of fibrous particles in the respiratory tract. Tayouan, Tchaj-wan: The 34th International Symposium on Transport Phenomena, 2024.
    Detail

    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, no. february 2024, ISSN: 0301-9322.
    Detail | WWW

    JEDELSKÝ, J.; VAN DER LAAN, S.; CEJPEK, O.; MALÝ, M.; KADLEC, M.; SMILEK, J. Atomization of shear-thinning liquids using pressure swirl atomizers. Shanghai: ICLASS 2024, 2024. p. 1-12.
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    PARMAR, G.; KUMAR, V.; CEJPEK, O.; JEDELSKÝ, J.; AVULAPATI, M. A Novel Correlation for Considering the Effect of Neighboring Droplets on the Evaporation Rate of Solvent Droplets Used in Carbon Capture Applications. ASME Journal of Heat and Mass Transfer, 2024, vol. 146, no. 4, ISSN: 2832-8450.
    Detail | WWW

    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. p. 1-9.
    Detail | WWW

    PARK, J.; LEE, T.; MALÝ, M.; CEJPEK, O.; JEDELSKÝ, J. DETERMINATION OF THE DROP SIZE AND DISTRIBUTIONS IN SWIRL INJECTION IN CROSS FLOWS, IMPINGING, AND EFFERVESCENT INJECTORS. Atomization and sprays, 2024, vol. 34, no. 5, p. 27-38. ISSN: 1044-5110.
    Detail | WWW

    RÁCZ, E.; MALÝ, M.; CEJPEK, O.; JEDELSKÝ, J.; JÓZSA, V. Statistical analysis of rotary atomization by phase Doppler anemometry. PHYSICS OF FLUIDS, 2024, vol. 36, no. 5, ISSN: 1070-6631.
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    MIŠÍK, O.; SZABOVÁ, J.; CEJPEK, O.; MALÝ, M.; JUGL, A.; BĚLKA, M.; MRAVEC, F.; LÍZAL, F. Nebulization and In Vitro Upper Airway Deposition of Liposomal Carrier Systems. MOLECULAR PHARMACEUTICS, 2024, vol. 21, no. 4, p. 1848-1860. ISSN: 1543-8384.
    Detail | WWW | Full text in the Digital Library

    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.
    Detail | WWW

    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 (Print). EDP Sciences, 2024. p. 1-5. ISSN: 2101-6275.
    Detail | WWW | Full text in the Digital Library

  • 2023

    LINDOVSKÝ, J.; SVĚRÁK, T.; CEJPEK, O.; JEDELSKÝ, J. Carbon dioxide absorption using laboratory-scale. Berlin: 2023.
    Detail

    CEJPEK, O.; MALÝ, M.; KUMAR, V.; AVULAPATI, M.; DECANAY, L.; JEDELSKÝ, J. Novel atomizer concept for CCS applications: Impinging effervescent atomizer. SEPARATION AND PURIFICATION TECHNOLOGY, 2023, vol. 311, no. 1, ISSN: 1873-3794.
    Detail | WWW

    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, no. 1, ISSN: 1879-2286.
    Detail | WWW

    LINDOVSKÝ, J.; CEJPEK, O.; JEDELSKÝ, J.; SVĚRÁK, T. Carbon dioxide absorption using laboratory-scale spray absorber. Berlin: 2023.
    Detail

    JEDELSKÝ, J.; MALÝ, M.; BĚLKA, M.; POLZER, A.; SÁMELOVÁ, V.; CEJPEK, O.; WIGLEY, G. Effect of Fabrication Method and Surface Roughness on Spray Characteristics for Small Pressure-Swirl Atomizers. Journal of Manufacturing Processes, 2023, vol. 85, no. 1, p. 166-178. ISSN: 2212-4616.
    Detail | WWW | Full text in the Digital Library

    CEJPEK, O.; MALÝ, M.; HÁJEK, J.; LINDOVSKÝ, J.; JEDELSKÝ, J. Comparison of Pressure Swirl Hollow-Cone and Full-Cone Atomizers for Spray Column Application. Jeju: Ilass Asia 2023, 2023. p. 97-98.
    Detail | WWW

    CEJPEK, O.; MALÝ, M.; JEDELSKÝ, J. Combined Drop Sizing using Phase Doppler Anemometry and High-Speed Imaging. In AIP Conference Proceedings. AIP conference proceedings. Melville, New York: American Institute of Physics Inc., 2023. p. 1-6. ISSN: 0094-243X.
    Detail | WWW

    MALÝ, M.; CEJPEK, O.; HÁJEK, J.; JEDELSKÝ, J. Ultra-low pressure Effervescent atomizer: droplet size spectra. Seoul: Ilass Asia 2023, 2023. p. 101-102.
    Detail | WWW

    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, 2023, vol. 189, no. 1, p. 1-14. ISSN: 0255-2701.
    Detail | WWW | Full text in the Digital Library

    JEDELSKÝ, J.; VAN DER LAAN, S.; CEJPEK, O.; MALÝ, M. Non-Newtonian shear-thinning liquids: their effect on droplet size spectrum of different atomization techniques. Jeju: ILASS–Asia 2023, 2023. p. 30-31.
    Detail | WWW

    LÍZAL, F.; KÁNSKÁ, J.; CABALKA, M.; MIŠÍK, O.; MALÝ, M.; CEJPEK, O.; BĚLKA, M.; JEDELSKÝ, J. The orientations of rigid glass fibres in turbulent flows inside a replica of human airways. PROCEEDINGS OF 22ND ANNUAL CONFERENCE OF THE CZECH AEROSOL SOCIETY. Čeladná: Czech Aerosol Society, 2023. p. 59-60. ISBN: 978-80-908653-1-0.
    Detail | WWW

  • 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.
    Detail | WWW

    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 (Print). EDP Sciences, 2022. p. 1-5. ISSN: 2101-6275.
    Detail | WWW

    CEJPEK, O.; MALÝ, M.; SLÁMA, J.; AVULAPATI, M.; JEDELSKÝ, J. Interaction of pressure swirl spray with cross-flow. Continuum Mech Therm, 2022, vol. 34, no. 6, p. 1497-1515. ISSN: 0935-1175.
    Detail | WWW

    MALÝ, M.; SLÁMA, J.; CEJPEK, O.; JEDELSKÝ, J. Searching for a Numerical Model for Prediction of Pressure-Swirl Atomizer Internal Flow. Applied Sciences - Basel, 2022, vol. 12, no. 13, p. 1-18. ISSN: 2076-3417.
    Detail | WWW | Full text in the Digital Library

    KUMAR, V.; CEJPEK, O.; JEDELSKÝ, J.; AVULAPATI, M. Evaluation of Air Assisted Impinging Jet Atomizer for CO2 capture. 2022.
    Detail

    CEJPEK, O.; MALÝ, M.; BĚLKA, M.; DECANAY, L.; AVULAPATI, M.; JEDELSKÝ, J. Single Orifice Effervescent Atomizer in simulated Counter–flow Conditions. 2022.
    Detail

    MALÝ, M.; CEJPEK, O.; HÁJEK, J.; JEDELSKÝ, J. Usability of a low-end 3D printer for prototyping of pressure-swirl atomizers. In EPJ Web of Conferences. EPJ web of conferences (Print). EDP Sciences, 2022. p. 1-4. ISSN: 2101-6275.
    Detail | WWW

    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 (Print). EDP Sciences, 2022. p. 1-5. ISSN: 2101-6275.
    Detail | WWW

    CEJPEK, O.; MALÝ, M.; HÁJEK, O.; PRINZ, F.; AVULAPATI, M.; JEDELSKÝ, J. Pressure Swirl Spray Characteristics Under Cross-flow. 2022. p. 1-6.
    Detail

    SMUTKOVÁ, K.; MALÝ, M.; CEJPEK, O.; JEDELSKÝ, J. Counter flow atomizer: Effect of the area ratio of the outlet orifice and the inlet air canal. In EFM21 – 15th International Conference “Experimental Fluid Mechanics 2021. EPJ Web of Conferences. 2022. p. 1-5. ISSN: 2100-014X.
    Detail

    MEYERS, J.; WIGLEY, G.; JEDELSKÝ, J.; MALÝ, M.; CEJPEK, O. Phase Doppler Anemometer – The Shift from Simulation to the Real World. Lisbon: 2022. p. 1-16.
    Detail

    MIŠÍK, O.; MALÝ, M.; CEJPEK, O.; SZABOVÁ, J.; LÍZAL, F. Influence of inhalation flow rate on the particle size of liposomal carrier aerosol generated by the medical nebulizer. In Proceedings of the International Conference Experimental Fluid Mechanics 2022. EPJ web of conferences (Print). Dvůr Králové nad Labem: EDP Sciences, 2022. ISSN: 2101-6275.
    Detail | WWW

    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.
    Detail | WWW

  • 2021

    MALÝ, M.; CEJPEK, O.; SAPÍK, M.; ONDRÁČEK, V.; WIGLEY, G.; JEDELSKÝ, J. Internal flow dynamics of spill-return pressure-swirl atomizers. EXPERIMENTAL THERMAL AND FLUID SCIENCE, 2021, vol. 120, no. 1, p. 1-13. ISSN: 0894-1777.
    Detail | WWW

    CEJPEK, O.; MALÝ, M.; AVULAPATI, M.; JEDELSKÝ, J. Suitability of different twin-fluid atomizer types for CO2 capture in spray columns. ICLASS 2021 - 15th Triennial International Conference on Liquid Atomization and Spray Systems. 2021. p. 1-8.
    Detail | WWW

    JEDELSKÝ, J.; MALÝ, M.; CEJPEK, O.; WIGLEY, G.; MEYERS, J. Software-based processing system for phase Doppler systems, Monte Carlo simulatio. Proceedings of the International conference Experimental Fluid Mechanics 2021. 1. Liberec: TU Liberec, 2021. p. 1-6.
    Detail

    MALÝ, M.; SLÁMA, J.; CEJPEK, O.; JEDELSKÝ, J. Comparison of numerical models for prediction of pressure-swirl atomizer internal flow. Edinburgh: ILASS - Europe, Institute for Liquid Atomization and Spray Systems, 2021.
    Detail | WWW

    BĚLKA, M.; MALÝ, M.; CEJPEK, O.; ELCNER, J.; LÍZAL, F.; JEDELSKÝ, J.; JÍCHA, M. Validated numerical simulation of airflow in child respiratory airways. Liberec: Technical University of Liberec, 2021. p. 1-5.
    Detail

    MALÝ, M.; JEDELSKÝ, J.; CEJPEK, O. Measured data and result analysis. 2021. p. 1-17.
    Detail

  • 2020

    CEJPEK, O.; ŠÍP, J.; MALÝ, M.; JEDELSKÝ, J.; TOMÁŠ, Z. Analysis of velocity profile measurements obtained by different methods in low-speed , small-scale wind tunnel. 2020. p. 72-79.
    Detail

    CEJPEK, O.; MALÝ, M.; BĚLKA, M.; JEDELSKÝ, J. Replication of Pressure Swirl Atomizer by 3D Printing and Influence of Surface Roughness on the Atomization Quality. MATEC Web of Conferences. 2020. p. 1-10. ISSN: 2261-236X.
    Detail | WWW

    MIŠÍK, O.; MALÝ, M.; CEJPEK, O.; LÍZAL, F. Characterization of aerosol nebulized by Aerogen Solo mesh nebulizer. MATEC Web of Conferences, 2020, vol. 328, no. 1, p. 1-7. ISSN: 2261-236X.
    Detail | WWW | Full text in the Digital Library

  • 2019

    CEJPEK, O.; JEDELSKÝ, J.; MALÝ, M.; SAPÍK, M.; LÍZAL, F.; KOCHED, A. Investigation of pressure swirl sprays using Volumetric PIV. Paříž: ILASS, 2019. p. 1-8.
    Detail | WWW | Full text in the Digital Library

    JEDELSKÝ, J.; MALÝ, M.; ALOUSQUE, L.; WIGLEY, G.; CEJPEK, O.; LÍZAL, F. Characteristics of liquid sheet break up for spill-return swirl atomizers with different spill-line designs. Paříž: 2019. p. 1 (1 s.).
    Detail | WWW

    MALÝ, M.; SAPÍK, M.; CEJPEK, O.; LÍZAL, F.; ONDRÁČEK, V.; JÍCHA, M.; JEDELSKÝ, J. Internal flow characteristics in Spill-return pressure-swirl atomizers. Paříž: ILASS, 2019. p. 1-8.
    Detail | WWW | Full text in the Digital Library

    SAPÍK, M.; MALÝ, M.; JEDELSKÝ, J.; WIGLEY, G.; CEJPEK, O. Selection of model liquid with refractive index matching for visualization of internal flow in a scaled atomizer model. In EXPERIMENTAL FLUID MECHANICS 2018 (EFM18). EPJ Web of Conferences. EDP Sciences, 2019. p. 1-6. ISSN: 2100-014X.
    Detail | WWW | Full text in the Digital Library

    CEJPEK, O.; MALÝ, M.; KOCHED, A.; SAPÍK, M.; LÍZAL, F.; JEDELSKÝ, J. Suitability of Volumetric 3-Component Velocimetry Method for Measurement of Pressure Swirl Sprays. In Topical Problems of Fluid Mechanics. Topical Problems of Fluid Mechanics 2019. Praha: 2019. p. 37-44. ISSN: 2336-5781.
    Detail | WWW

    MALÝ, M.; SAPÍK, M.; CEJPEK, O.; WIGLEY, G.; KATOLICKÝ, J.; JEDELSKÝ, J. Effect of spill orifice geometry on spray and control characteristics of spill-return pressure-swirl atomizers. EXPERIMENTAL THERMAL AND FLUID SCIENCE, 2019, vol. 106, no. 1, p. 159-170. ISSN: 0894-1777.
    Detail | WWW

  • 2018

    MALÝ, M.; JEDELSKÝ, J.; SAPÍK, M.; CEJPEK, O.; SLÁMA, J.; WIGLEY, G. Effect of spill orifice geometry on performance of spill-return pressure-swirl atomizers. Chicago: 2018. p. 1-8.
    Detail

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