Ing.

Roman Klas

Ph.D.

FME, EI DFE – Assistant professor

+420 54114 2342
klas@fme.vutbr.cz

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Ing. Roman Klas, Ph.D.

Publications

  • 2020

    ŠEDIVÝ, D.; FIALOVÁ, S.; KLAS, R.; KOTEK, M. FSI Computation and Experimental Verification of Fluid Flow in Flexible Tubes. Measurement Science Review, 2020, vol. 20, no. 3, p. 104-114. ISSN: 1335-8871.
    Detail | WWW | Full text in the Digital Library

  • 2019

    KLAS, R.; FIALOVÁ, S. Pulse flow of liquid in flexible tube. In EPJ Web of Conferences. EPJ Web of Conferences. EDP Sciences, 2019. p. 1-12. ISSN: 2100-014X.
    Detail | WWW | Full text in the Digital Library

    POCHYLÝ, F.; KLAS, R.; FIALOVÁ, S. Application of modified Navier-Stokes equations to determine the unsteady force effects of a heterogeneous liquid. In EFM18 – Experimental Fluid Mechanics 2018. EPJ Web of Conferences. 2019. p. 1-6. ISSN: 2100-014X.
    Detail | WWW

  • 2018

    KLAS, R.; HABÁN, V.; RUDOLF, P. Study of the nozzle check valve with respect to its operating characteristics. In EPJ Web of Conferences. EPJ Web of Conferences. EPJ Web of Conferences, 2018. p. 1-12. ISSN: 2100-014X.
    Detail | WWW | Full text in the Digital Library

    KLAS, R.; HABÁN, V.; RUDOLF, P. Dynamics of the nozzle valve with regard to the properties of the piping system. In EPJ Web of Conferences. EPJ Web of Conferences. EPJ Web of Conferences, 2018. p. 1-8. ISSN: 2100-014X.
    Detail | WWW | Full text in the Digital Library

  • 2017

    KLAS, R.; HABÁN, V.; RUDOLF, P. Analysis of in- line check valve with respect to the pipeline dynamics. In EPJ Web of Conferences. EPJ Web of Conferences. EPJ Web of Conferences, 2017. p. 1-10. ISSN: 2100-014X.
    Detail

    RUDOLF, P.; POCHYLÝ, F.; URBAN, O.; KLAS, R.; HIMR, D. Racionální využití CFD v praxi. Praha: TechSim s.r.o., 2017. p. 1-25.
    Detail

  • 2015

    RUDOLF, P.; ŠTEFAN, D.; KLAS, R. Spatio-Temporal Description of the Swirling Flow in Hydraulic Turbine. WASSERWIRTSCHAFT, 2015, vol. 2015, no. 1, p. 18-22. ISSN: 0043-0978.
    Detail

    RUDOLF, P.; KLAS, R. Numerical simulation of pump-intake vortices. In EPJ Web of Conferences. EPJ Web of Conferences. EDP Sciences, 2015. p. 1-6. ISSN: 2100-014X.
    Detail | WWW | Full text in the Digital Library

    KLAS, R.; POCHYLÝ, F.; RUDOLF, P. Influence of low-specific speed pump modifications on stability of Y-Q curve. In EPJ Web of Conferences. EPJ Web of Conferences. EDP Sciences, 2015. p. 1-6. ISSN: 2100-014X.
    Detail | WWW | Full text in the Digital Library

  • 2014

    KLAS, R.; POCHYLÝ, F.; RUDOLF, P. Analysis of novel low specific speed pump designs. In Earth and Environmental Science. IOP Conference Series: Earth and Environmental Science. Spojené království Velké Británie a Severního Irska: IOP Science, 2014. p. 1-11. ISSN: 1755-1315.
    Detail | WWW

    KLAS, R.; POCHYLÝ, F.; RUDOLF, P. Hydraulic Losses in the Spiral Case of Low Specific Speed Pumps. In EPJ Web of Conferences. EPJ Web of Conferences. EDP Sciences, 2014. p. 1-8. ISBN: 978-80-260-5375-0. ISSN: 2100-014X.
    Detail | WWW | Full text in the Digital Library

    RUDOLF, P.; KLAS, R. Numerical simulation of pump- intake vortices. In Proceedings of the International conference Experimental Fluid Mechanics 2014. TU Liberec, 2014. p. 525-530.
    Detail

  • 2013

    KLAS, R.; POCHYLÝ, F. The Modification of Spiral Case and Impeller of Mixed Flow Pump. Engineering Mechanics, 2013, vol. 20, no. 2, p. 129-138. ISSN: 1802- 1484.
    Detail

    POCHYLÝ, F.; HALUZA, M.; RUDOLF, P.; HABÁN, V.; KLAS, R.; HUDEC, M.; HIMR, D.; STEJSKAL, J. Vzájemná spolupráce Sigma Group, a.s. Lutín, Sigma VVÚ, s.r.o. Lutín a Odboru fluidního inženýrství V. Kaplana FSI VUT v Brně v oblasti výzkumu čerpadel a vodních turbín. In Současné trendy vývoje čerpací techniky. Lutín: 2013. p. 1-14. ISBN: 978-80-905478-0-3.
    Detail

    ŠTIGLER, J.; KLAS, R.; ŠPERKA, O. Characteristics of the T-junction with the equal diameters of all branches for the variable angle of the adjacent branch. EPJ Web of Conferences, 2013, vol. 67, no. 1, p. 1-12. ISSN: 2100-014X.
    Detail | WWW | Full text in the Digital Library

    KLAS, R.; POCHYLÝ, F. Low Specific Speed Pumps with Atypical Impellers. Lausanne, Swiss: EPFL Laboratory for Hydraulic Machines, 2013. p. 38-38.
    Detail

  • 2012

    ŠTIGLER, J.; ŠPERKA, O.; KLAS, R. A fluid flow in the pipe junction with 6,25 corss-section area ratio. The influence of the adjacent branch angle on the pipe junction charcteristics. In IOP Conference Series: Earth and Environmental Science. IOP Conference Series: Earth and Environmental Science. 2012. p. 1-8. ISSN: 1755-1315.
    Detail | WWW

  • 2011

    KLAS, R.; POCHYLÝ, F.; HALUZA, M.; RUDOLF, P. CFD analýza návrhu diagonálního čerpadla. VUT v Brně, FSI, OFI V.K.: 2011.
    Detail

    KLAS, R.; POCHYLÝ, F. The modification of the mixed flow pump with respect to its stability. Strojnícky časopis, 2011, vol. 62, no. 2, p. 93-103. ISSN: 0039- 2472.
    Detail

    ŠTIGLER, J.; KLAS, R.; KOTEK, M.; KOPECKÝ, V. The Fluid Flow in the T-Junction. The Comparison of the Numerical Modelling and PIV Measurement. In Těorija i praktika nacoco - i kompressorostrojenija. tech. nauka - monografie. Sumy, Ukraine: 2011. p. 240-247. ISBN: 978-966-657-384- 4.
    Detail

    ŠTIGLER, J.; ŠPERKA, O.; KLAS, R. A Mathematical model of the Fluid Flow in the Tee-Junction. The Comparison of the CFD Computation and the Measurements. In Engineering Mechanics 2011. 17th International Conference. Book of Flull Texts. Svratka, CZ: 2011. p. 607-610. ISBN: 978-80-87012-33- 8.
    Detail

    ŠTIGLER, J.; KLAS, R.; KOTEK, M.; KOPECKÝ, V. The Fluid Flow in the T-Junction the Comparison of the Numerical Modelling and PIV Measurement. Procedia Engineering, 2011, vol. 39, no. 1, p. 19-27. ISSN: 1877-7058.
    Detail | WWW | Full text in the Digital Library

  • 2010

    POCHYLÝ, F.; HALUZA, M.; KLAS, R. The stability of Y(Q) characteristic curve. In IOP Conference Series- Earth and Environmental Science. IOP Conference Series: Earth and Environmental Science. BRISTOL BS1 6BE, ENGLAND: IOP PUBLISHING LTD, DIRAC HOUSE, TEMPLE BACK, 2010. p. 685-690. ISSN: 1755-1307.
    Detail

  • 2009

    KLAS, R.; FIALOVÁ, S. CFD simulation of the velocity and pressure fields within two- stage pump interior. Engineering Mechanics, 2009, vol. 16, no. 6, p. 437-446. ISSN: 1802- 1484.
    Detail

    KLAS, R.; POCHYLÝ, F. Flow Simulation of a Low Specific Speed Pump. In Power System Engineering Thermodynamics & Fluid Flow 2009 Conference proceedings. Plzeň: Západočeská univerzita v Plzni, 2009. p. 81-88. ISBN: 978-80-7043-804-6.
    Detail

  • 2008

    KLAS, R.; FIALOVÁ, S. Two-stage pump in turbine mode of operation. In MECHANICAL ENGINEERING 2008. Bratislava: 2008. p. V - 19 (V - 20 p.)ISBN: 978-80-227-2982-6.
    Detail

  • 2007

    KLAS, R. Výpočtové modelování rychlostního a tlakového pole v interiéru dvou- stupňového čerpadla. VUT v Brně, FSI: 2007. p. 1-7.
    Detail

  • 2006

    FIALOVÁ, S.; KLAS, R.; POCHYLÝ, F. The flow analysis in the side channel pump. In Mechanical engineering 2006. Slovenská technická univerzita v Bratislavě: 2006. p. 853 ( p.)ISBN: 80-227-2513- 7.
    Detail

    POCHYLÝ, F.; KLAS, R.; HALUZA, M. Odstředivé čerpadlo nízkých specifických otáček. In Míchání 2006. Praha: Orgit, s.r.o. Praha, 2006. p. 1 ( p.)ISBN: 80-86059-46- 4.
    Detail

    KLAS, R.; POCHYLÝ, F. Vyrovnání axiálních sil radiálních čerpadel zadními lopatkami. VUT FSI Brno: ISH&MSA ČERPADLA, a. s., 2006.
    Detail

  • 2005

    KLAS R.,POCHYLÝ F. Axial Force Compensations in Radial Pumps with Fins on Impeller Backside. In Strojné inžinierstvo 2005. Bratislava: Strojnícka fakulta STU v Bratislave, 2005. p. 134 ( p.)ISBN: 80-227-2314- 2.
    Detail

    KLAS, R.; POCHYLÝ, F. Vyrovnání axiálních sil radiálních čerpadel zadními lopatkami. In Sborník přednášek. VUT v Brně, FSI: Odbor fluidního inženýrství V. Kaplana, 2005. p. 1-35.
    Detail

  • 2004

    ŠTIGLER, J.; KLAS, R. Výběr optimálního uspořádání rozvětvení pro dopravu hydrosměsí. Brno, VUT FSI: 2004. p. 1-12.
    Detail

  • 2003

    POCHYLÝ, F.; KLAS, R.; HABÁN, V. Solution of the flow in the thin gap between rotating shaft and flexible coating. In ENGINEERING MECHANICS 2003 - BOOK OF EXTENDED ABSTRACTS. Prague: Institute of Thermomechanics AS CR Prague, 2003. p. 258 ( p.)ISBN: 80-86246-18- 3.
    Detail

    KLAS, R. Proudění v kluzném ložisku. In XXII. mezinárodní vědecká konference kateder a pracovišť mechaniky a termomechaniky. Liberec: Technická univerzita v Liberci, 2003. p. 111 ( p.)ISBN: 80-7083-710- 1.
    Detail

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