Ing.

Jiří Vacula

Ph.D.

FME, IAE DP – Assistant professor

107658@vutbr.cz

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Ing. Jiří Vacula, Ph.D.

Publications

  • 2024

    NOVOTNÝ, P.; VACULA, J.; KUDLÁČEK, P.; KOCMAN, F. Prediction of gas leakage through the turbocharger sealing system. 55. mezinárodní vědecká konference zaměřená na výzkumné a výukové metody v oblasti vozidel a jejich pohonů. 1. Liberec: Technická univerzita v Liberce, Fakulta strojní, Katedra vozidel a motorů, 2024. p. 92-100. ISBN: 978-80-7494-711-7.
    Detail | WWW

  • 2023

    NOVOTNÝ, P.; KUDLÁČEK, P.; VACULA, J.; KOCMAN, F. Innovative approach to reduce friction losses in turbocharger journal bearings. Scientific Proceeding KOKA 2023. 70. Brno: Brno University of Technology, Faculty of Mechanical Engineering, 2023. p. 20-20. ISBN: 978-80-214-6164-2.
    Detail

    NOVOTNÝ, P.; KUDLÁČEK, P.; VACULA, J. Explanation of the mechanisms of unsteady gas flow through the turbocharger seal system, including thermal and structural interactions. Propulsion and Power Research, 2023, vol. 12, no. 2, p. 180-198. ISSN: 2212-540X.
    Detail | WWW | Full text in the Digital Library

    VACULA, J.; NOVOTNÝ, P. Identification of Aerodynamic Tonal Noise Sources of a Centrifugal Compressor of a Turbocharger for Large Stationary Engines. Applied Sciences - Basel, 2023, vol. 13, no. 10, p. 1-20. ISSN: 2076-3417.
    Detail | WWW | Full text in the Digital Library

  • 2022

    VACULA, J.; NOVOTNÝ, P. Critical pressure in liquids due to dynamic choking. PHYSICAL REVIEW E, 2022, vol. 105, no. 4, p. 1-10. ISSN: 2470-0045.
    Detail | WWW

    VACULA, J.; NOVOTNÝ, P.; KUDLÁČEK, P. Application of a Casing Treatment to a Centrifugal Compressor. Scientific Proceedings KOKA 2022. Bratislava: Slovak University of Technology in Bratislava, Faculty of Mechanical Engineering, 2022. ISBN: 978-80-227-5215-2.
    Detail

    KUDLÁČEK, P.; NOVOTNÝ, P.; VACULA, J.; KOCMAN, F. Investigating the Effect of Rotor Design Changes on Mechanical Losses Due to Rotor-Fluid Interaction. Journal of Mechanical Engineering - Strojnícky časopis, 2022, vol. 72, no. 03, p. 71-80. ISSN: 2450-5471.
    Detail | WWW

    KUDLÁČEK, P.; NOVOTNÝ, P.; VACULA, J. Experimental Verification of the Effect of Rotor Design Changes on the Mechanical Losses. Scientific Proceedings KOKA 2022. Bratislava: Slovak University of Technology in Bratislava, Faculty of Mechanical Engineering, 2022. p. 97-104. ISBN: 978-80-227-5215-2.
    Detail

  • 2021

    NOVOTNÝ, P.; VACULA, J.; KUDLÁČEK, P. Innovative Approach to Reduce Friction Losses in Turbocharger Thrust Bearings. Sborník přednášek KOKA 2021. Praha: Česká zemědělská univerzita v Praze, Technická fakulta, 2021. p. 140-146. ISBN: 978-80-213-3132-7.
    Detail

    NOVOTNÝ, P.; VACULA, J.; KUDLÁČEK, P. Virtual Turbocharger as a Tool for Reality Simulation. In Mechanisms and Machine Science, Proceedings of I4SDG Workshop 2021. 1. Cham: Springer, 2021. p. 535-544. ISBN: 978-3-030-87382-0.
    Detail | WWW | Full text in the Digital Library

    KUDLÁČEK, P.; NOVOTNÝ, P.; VACULA, J. Modelling Frictional Losses of Turbochargers due to Rotor-Fluid Interaction. Sborník přednášek KOKA 2021. Praha: Česká zemědělská univerzita v Praze, Technická fakulta, 2021. p. 100-111. ISBN: 978-80-213-3132-7.
    Detail

    NOVOTNÝ, P.; VACULA, J.; JONÁK, M. Evolutionary Optimisation of the Thrust Bearing Considering Multiple Operating Conditions in Turbomachinery. INTERNATIONAL JOURNAL OF MECHANICAL SCIENCES, 2021, vol. 195, no. 2021, p. 1-13. ISSN: 0020-7403.
    Detail | WWW

    VACULA, J.; NOVOTNÝ, P.; KUDLÁČEK, P. Classification of Aerodynamic Instabilities in a Centrifugal Compressor. Sborník přednášek KOKA 2021. Praha: Česká zemědělská univerzita v Praze, Technická fakulta, 2021. p. 90-98. ISBN: 978-80-213-3132-7.
    Detail

    VACULA, J.; NOVOTNÝ, P. An Overview of Flow Instabilities Occurring in Centrifugal Compressors Operating at Low Flow Rates. JOURNAL OF ENGINEERING FOR GAS TURBINES AND POWER-TRANSACTIONS OF THE ASME, 2021, vol. 143, no. 11, p. 1-13. ISSN: 0742-4795.
    Detail | WWW

    NOVOTNÝ, P.; VACULA, J.; HRABOVSKÝ, J. Solution strategy for increasing the efficiency of turbochargers by reducing energy losses in the lubrication system. Energy, 2021, vol. 236, no. 121402, p. 1-16. ISSN: 0360-5442.
    Detail | WWW

  • 2020

    NOVOTNÝ, P.; DLUGOŠ, J.; VACULA, J. Application of Multibody Dynamics Tools for Determination of Engine Excited Turbocharger Vibrations. In ENGINEERING MECHANICS 2020. 1st edition. 2020. p. 384-387. ISBN: 978-80-214-5896-3.
    Detail | WWW

    NOVOTNÝ, P.; VACULA, J.; DLUGOŠ, J.; JONÁK, M. Analytical Tool for the Identification of Vibration and Noise Sources in Turbochargers. 51st International Scientific Conference of Czech and Slovak Universities and Institutions Dealing with Motor Vehicles and Internal Combustion Engines Research. 1. Praha: České vysoké učení technické v Praze, 2020. p. 46-51. ISBN: 978-80-01-06744-4.
    Detail

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