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Ph.D.
FME, EI DFE – Assistant professor
+420 54114 2342klas@fme.vutbr.cz
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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
2019
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
KLAS, R.; FIALOVÁ, S. Pulse flow of liquid in flexible tube. In EPJ Web of Conferences. EPJ Web of Conferences. EDP Sciences, 2019. no. 1, p. 1-12. ISSN: 2100-014X.Detail
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
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
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. no. 02051, p. 1-10. ISSN: 2100-014X.Detail
2015
RUDOLF, P.; KLAS, R. Numerical simulation of pump-intake vortices. In EPJ Web of Conferences. EPJ Web of Conferences. EDP Sciences, 2015. no. 5, p. 1-6. ISSN: 2100-014X.Detail
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
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. no. 1, p. 1-6. ISSN: 2100-014X.Detail
2014
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
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. no. 1, p. 1-11. ISSN: 1755-1315.Detail
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. no. 1, p. 1-8. ISBN: 978-80-260-5375-0. ISSN: 2100-014X.Detail
2013
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
KLAS, R.; POCHYLÝ, F. Low Specific Speed Pumps with Atypical Impellers. Lausanne, Swiss: EPFL Laboratory for Hydraulic Machines, 2013. p. 38-38. 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. s. 1-14. ISBN: 978-80-905478-0-3.Detail
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
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. no. 7, p. 1-8. ISSN: 1755-1315.Detail
2011
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
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.; 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
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. no. 012086, 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. s. V - 19 (V - 20 s.)ISBN: 978-80-227-2982-6.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. 14 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. 14 s. ISBN: 80-86059-46-4.Detail
2005
KLAS, R.; POCHYLÝ, F. Vyrovnání axiálních sil radiálních čerpadel zadními lopatkami. In Sborník přednášek. VUT v Brně, FSI: Odbor fluidního inženýrství V. Kaplana, 2005. s. 1-35. Detail
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. 141 p. ISBN: 80-227-2314-2.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. 2 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. 301 s. ISBN: 80-7083-710-1.Detail
*) Citace se generují jednou za 24 hodin.