prof. Ing.

Ivan Křupka

Ph.D.

FME – Vice-dean for scientific and research activities, PhD study programme

+420 54114 2723
krupka@fme.vutbr.cz

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prof. Ing. Ivan Křupka, Ph.D.

Publications

  • 2020

    NEČAS, D.; USAMI, H.; NIIMI, T.; SAWAE, Y.; KŘUPKA, I.; HARTL, M. Running-in friction of hip joint replacements can be significantly reduced: The effect of surface-textured acetabular cup. Friction, 2020, vol. Online fir, no. Online first, p. 1-16. ISSN: 2223-7690.
    Detail | WWW

    KOŠŤÁL, D.; ŠPERKA, P.; CHMELAR, J.; VITEK, P.; POLAK, M.; KŘUPKA, I. Comparison of Grease and Solid Lubrication of Rolling Bearings Under Small-Stroke Reciprocationfor Space Applications. Tribology in Industry, 2020, vol. 42, no. 1, p. 146-158. ISSN: 0354-8996.
    Detail | WWW

    NAVRÁTIL, M.; KOŠŤÁL, D.; KŘUPKA, I.; HARTL, M. Replenishment Differences in EHL Contact Lubricated by New andIn-bearings-aged Grease. Tribology in Industry, 2020, vol. 42, no. 1, p. 102-114. ISSN: 0354-8996.
    Detail | WWW

  • 2019

    NEČAS, D.; VRBKA, M.; GALANDÁKOVÁ, A.; KŘUPKA, I.; HARTL, M. On the observation of lubrication mechanisms within hip joint replacements. Part I: Hard-on-soft bearing pairs. Journal of the mechanical behavior of biomedical materials, 2019, vol. 89, no. 1, p. 237-248. ISSN: 1751-6161.
    Detail | WWW

    NEČAS, D.; VRBKA, M.; GALLO, J.; KŘUPKA, I.; HARTL, M. On the observation of lubrication mechanisms within hip joint replacements. Part II: Hard-on-hard bearing pairs. Journal of the mechanical behavior of biomedical materials, 2019, vol. 89, no. 1, p. 249-259. ISSN: 1751-6161.
    Detail | WWW

    NEČAS, D.; SADECKÁ, K.; VRBKA, M.; GALLO, J.; GALANDÁKOVÁ, A.; KŘUPKA, I.; HARTL, M. Observation of lubrication mechanisms in knee replacement: A pilot study. Biotribology, 2019, vol. 17, no. 2019, p. 1-7. ISSN: 2352-5738.
    Detail | WWW

    RUFAQUA, R.; VRBKA, M.; CHOUDHURY, D.; HEMZAL, D.; KŘUPKA, I.; HARTL, M. A systematic review on correlation between biochemical and mechanical processes of lubricant film formation in joint replacement of the last 10 years. Lubrication Science, 2019, vol. 31, no. 3, p. 85-101. ISSN: 1557-6833.
    Detail | WWW

    FRÝZA, J.; KROUPA, J.; ŠPERKA, P.; KŘUPKA, I.; HARTL, M. Investigation of film thickness of grease-lubricated thrust bearing: From ball-on-disc to bearing. In Proceedings on Engineering Sciences. Proceedings on Engineering Sciences - 16th International Conference on Tribology. 1. Kragujevac, Serbia: University of Kragujevac, Faculty of Engineering, 2019. p. 550-554. ISSN: 2620-2832.
    Detail | WWW

    ZAPLETAL, T.; ŠPERKA, P.; KŘUPKA, I.; HARTL, M. Dynamic friction measurement of EHL contact with artificial roughness. ECOTRIB 2019, 7th European Conference on Tribology. The Austrian Tribology Society, 2019. p. 34-34. ISBN: 978-3-901657-60-3.
    Detail

    KŘUPKA, J.; ŠPERKA, P.; KŘUPKA, I.; HARTL, M. Lubrication of rolling - sliding polymer contacts. In Engineering Mechanics 2019. Engineering Mechanics 2018. First edition. Prague: Institute of Theoretical and Applied Mechanics of the Czech Academy of Sciences, Prague, 2019. p. 219-222. ISBN: 978-80-87012-71-0. ISSN: 1805-8256.
    Detail | WWW

    ČÍPEK, P.; REBENDA, D.; NEČAS, D.; VRBKA, M.; KŘUPKA, I.; HARTL, M. Visualization of Lubrication Film in Model of Synovial Joint. Tribology in Industry, 2019, vol. 41, no. 3, p. 387-393. ISSN: 0354-8996.
    Detail | WWW | Full text in the Digital Library

    REBENDA, D.; ČÍPEK, P.; VRBKA, M.; KŘUPKA, I. Effect of Hyaluronic Acid Molecular Weight on Friction of Articular Cartilage. In Proceedings on Engineering Sciences - 16th International Conference on Tribology. Proceedings on Engineering Sciences - 16th International Conference on Tribology. Kragujevac: University of Kragujevac, Faculty of Engineering, 2019. p. 693-697. ISSN: 2620-2832.
    Detail

  • 2018

    NEČAS, D.; VRBKA, M.; REBENDA, D.; GALLO, J.; GALANDÁKOVÁ, A.; WOLFOVÁ, L.; KŘUPKA, I.; HARTL, M. In Situ Observation of Lubricant Film Formation in THR Considering Real Conformity: The Effect of Model Synovial Fluid Composition. Tribology International, 2018, vol. 117, no. 1, p. 206-216. ISSN: 0301-679X.
    Detail | WWW

    OMASTA, M.; STRNAD, J.; HARTL, M.; KŘUPKA, I. Využití monitoringu stavu maziva pro hodnocení chování mazaného uzlu. Praha: Česká strojnická společnost z.s., 2018. p. 19-23.
    Detail

    FRÝZA, J.; ŠPERKA, P.; KŘUPKA, I.; HARTL, M. Effects of lateral harmonic vibrations on film thickness in EHL point contacts. Tribology International, 2018, vol. 117, no. 1, p. 236-249. ISSN: 0301-679X.
    Detail | WWW

    CHOUDHURY, D.; RANUŠA, M.; FLEMING, R. A.; VRBKA, M.; KŘUPKA, I.; TEETER M. G.; GOSS, J.; ZOU, M. Mechanical Wear and Oxidative Degradation Analysis of Retrieved Ultra High Molecular Weight Polyethylene Acetabular Cups. Journal of the mechanical behavior of biomedical materials, 2018, vol. 79, no. 1, p. 314-323. ISSN: 1751-6161.
    Detail | WWW

    KOŠŤÁL, D.; ŠPERKA, P.; KŘUPKA, I.; HARTL, M. Artificial Surface Roughness Deformation in the Starved EHL Contacts. Tribology Online, 2018, vol. 13, no. 1, p. 1-7. ISSN: 1881-2198.
    Detail | WWW

    NEČAS, D.; JAROŠ, T.; DOČKAL, K.; ŠPERKA, P.; VRBKA, M.; KŘUPKA, I.; HARTL, M. The effect of kinematic conditions on film thickness in compliant lubricated contact. ASME Transaction, Journal of Tribology, 2018, vol. 140, no. 5, p. 1-8. ISSN: 0742-4787.
    Detail | WWW

    NEČAS, D.; VRBKA, M.; KŘUPKA, I.; HARTL, M. The Effect of Kinematic Conditions and Synovial Fluid Composition on the Frictional Behaviour of Materials for Artificial Joints. Materials, 2018, vol. 11, no. 5, p. 1-12. ISSN: 1996-1944.
    Detail | WWW | Full text in the Digital Library

    ČÍPEK, P.; REBENDA, D.; NEČAS, D.; VRBKA, M.; KŘUPKA, I. Development of reciprocating tribometer for testing synovial joint. In Engineering Mechanics 2018. Engineering Mechanics 2018. First edition. Praha: Institute of Theoretical and Applied Mechanics of the Czech Academy of Sciences, Prague, 2018. p. 169-172. ISBN: 978-80-86246-88-8. ISSN: 1805-8256.
    Detail | WWW

    TKACHENKO, S.; ČÍŽEK, J.; MUŠÁLEK, R.; DVOŘÁK, K.; SPOTZ, Z.; MONTUFAR JIMENEZ, E.; CHRÁSKA, T.; KŘUPKA, I.; ČELKO, L. Metal matrix to ceramic matrix transition via feedstock processing of SPS titanium composites alloyed with high silicone content. Journal of Alloys and Compounds, 2018, vol. 764, no. 1, p. 776-788. ISSN: 0925-8388.
    Detail | WWW | Full text in the Digital Library

    ZAPLETAL, T.; ŠPERKA, P.; KŘUPKA, I.; HARTL, M. The effect of surface roughness on friction and film thickness in transition from EHL to mixed lubrication. TRIBOLOGY INTERNATIONAL, 2018, vol. 128, no. 1, p. 356-364. ISSN: 1879-2464.
    Detail | WWW

    RANUŠA, M.; GALLO, J.; VRBKA, M.; HOBZA, M.; PALOUŠEK, D.; KŘUPKA, I.; HARTL, M. Wear Analysis of Extracted Polyethylene Acetabular Cups Using a 3D Optical Scanner. TRIBOLOGY & LUBRICATION TECHNOLOGY, 2018, vol. 74, no. 6, p. 68-84. ISSN: 1545-858X.
    Detail

    ZEMAN, J.; RANUŠA, M.; VRBKA, M.; GALLO, J.; M.; KŘUPKA, I.; HARTL, M. UHMWPE acetabular cup creep deformation during the run-in phase of THA's life cycle. Journal of the mechanical behavior of biomedical materials, 2018, vol. 87, no. 1, p. 30-39. ISSN: 1751-6161.
    Detail | WWW

    MICHALEC, M.; SVOBODA, P.; KŘUPKA, I.; HARTL, M. Tribological behaviour of smart fluids influenced by magnetic and electric field – A review. Tribology in Industry, 2018, vol. 40, no. 4, p. 515-528. ISSN: 0354-8996.
    Detail | WWW

    ŠPERKA, P.; KŘUPKA, I.; HARTL, M. Analytical Formula for the Ratio of Central to Minimum Film Thickness in a Circular EHL Contact. Lubricants, 2018, vol. 6, no. 3, p. 1-11. ISSN: 2075-4442.
    Detail | WWW | Full text in the Digital Library

    KOŠŤÁL, D.; ŠPERKA, P.; KŘUPKA, I.; HARTL, M. Experimental study of the replenishment in EHL contact lubricated by oils and greases. In 73rd Society of Tribologists & Lubrication Engineers Annual Meeting & Exhibition 2018, Proceedings of a meeting held 20-24 May 2018, Minneapolis, Minnesota, USA. 1. 2018. p. 1 (1 s.). ISBN: 9781510867635.
    Detail

    KOŠŤÁL, D.; KŘUPKA, I.; HARTL, M. Replenishment in EHL contact lubricated by greases. ICETAT 2018 Proceeding. 2018. p. 123-123. ISBN: NA.
    Detail

    KANETA, M.; KŘUPKA, I.; ŠPERKA, P.; HARTL, M.; YANG, P.; YANG, P. Thermal Elastohydrodynamic Lubrication of Ceramic Materials. TRIBOLOGY TRANSACTIONS, 2018, vol. 61, no. 5, p. 868-878. ISSN: 1040-2004.
    Detail

    EBNER, M; OMASTA, M.; LOHNER, T; ŠPERKA, P.; KŘUPKA, I.; HARTL, M.; MICHAELIS, K.; HOHN, R-B.; STAHL, K. Local Effects in EHL Contacts with Oil-Impregnated Sintered Materials. Lubricants, 2018, vol. 7, no. 1, p. 1-21. ISSN: 2075-4442.
    Detail | WWW

    OMASTA, M.; ADAM, J.; ŠPERKA, P.; KŘUPKA, I.; HARTL, M. On the Temperature and Lubricant Film Thickness Distribution in EHL Contacts with Arbitrary Entrainment. Lubricants, 2018, vol. 6, no. 4, p. 1-12. ISSN: 2075-4442.
    Detail | WWW

    OMASTA, M.; EBNER, M.; ŠPERKA, P.; LOHNER, T.; KŘUPKA, I.; HARTL, M.; HOEHN, B-R.; STAHL, K. Film formation in EHL contacts with oil-impregnated sintered materials. INDUSTRIAL LUBRICATION AND TRIBOLOGY, 2018, vol. 70, no. 4, p. 612-619. ISSN: 0036-8792.
    Detail | WWW

    GALAS, R.; KVARDA, D.; OMASTA, M.; KŘUPKA, I.; HARTL, M. The role of constituents contained in water–based friction modifiers for top–of–rail application. Tribology International, 2018, vol. 117, no. 1, p. 87-97. ISSN: 0301-679X.
    Detail | WWW

  • 2017

    NEČAS, D.; VRBKA, M.; URBAN, F.; GALLO, J.; KŘUPKA, I.; HARTL, M. In situ observation of lubricant film formation in THR considering real conformity: The effect of diameter, clearance and material. Journal of the mechanical behavior of biomedical materials, 2017, vol. 69, no. 5, p. 66-74. ISSN: 1751-6161.
    Detail | WWW

    KŘUPKA, I.; OMASTA, M. Návrh tribometru *Daido*021329011236. 2017. p. 1-6.
    Detail

    KOŠŤÁL, D.; ŠPERKA, P.; KŘUPKA, I.; HARTL, M. Experimental comparison of the behavior between base oil and grease starvation based on inlet film thickness. Tribology in Industry, 2017, vol. 2017, no. 1, p. 110-119. ISSN: 0354-8996.
    Detail | WWW | Full text in the Digital Library

    FICZA, I.; ŠPERKA, P.; KŘUPKA, I.; HARTL, M. Effect of Kinematic Operating Conditions on Ridge Deformation— Numerical Study With Experimental Comparison. ASME Transaction, Journal of Tribology, 2017, vol. 139, no. 3, p. 031502-031509. ISSN: 0742-4787.
    Detail | WWW

    ŠPERKA, P.; KŘUPKA, I.; HARTL, M. Prediction of Shallow Indentation Effects in a Rolling- Sliding EHL Contact Based on Amplitude Attenuation Theory. Tribology Online, 2017, vol. 12, no. 1, p. 1-7. ISSN: 1881-2198.
    Detail | WWW

    OMASTA, M.; KŘUPKA, I.; HARTL, M. Effect of Sliding Direction on EHL Film Shape Under High Sliding Conditions. TRIBOLOGY TRANSACTIONS, 2017, vol. 60, no. 1, p. 87-94. ISSN: 1040-2004.
    Detail | WWW

    NEČAS, D.; SAWAE, Y.; FUJISAWA, T.; NAKASHIMA, K.; MORITA, T.; YAMAGUCHI, T.; VRBKA, M.; KŘUPKA, I.; HARTL, M. The Influence of Proteins and Speed on Friction and Adsorption of Metal/ UHMWPE Contact Pair. Biotribology, 2017, vol. 11, no. 2017, p. 51-59. ISSN: 2352-5738.
    Detail | WWW

    ZAPLETAL, T.; ŠPERKA, P.; KŘUPKA, I.; HARTL, M. The effect of surface grooves on transition to mixed lubrication. Tribology International, 2017, vol. 114, no. 1, p. 409-417. ISSN: 0301-679X.
    Detail | WWW

    GALAS, R.; OMASTA, M.; KLAPKA, M.; KAEWUNRUEN, S.; KŘUPKA, I.; HARTL, M. Case study: the influence of oil- based friction modifier quantity on tram braking distance and noise. Tribology in Industry, 2017, vol. 39, no. 2, p. 198-206. ISSN: 0354-8996.
    Detail | WWW | Full text in the Digital Library

    FRÝZA, J.; ŠPERKA, P.; KŘUPKA, I.; HARTL, M. Viscoelastic response of lubricant in an EHL contact under transient bi- directional shear loading. Atlanta, Georgia, USA: Society of Tribologists and Lubrication Engineers, 2017.
    Detail | WWW

    CHOUDHURY, D.; VRBKA, M.; MAMAT, A.B.; STAVNESS, I.; ROY, CH.K.; MOOTANAH, R.; KŘUPKA, I. The impact of surface and geometry on coefficient of friction of artificial hip joints. Journal of the mechanical behavior of biomedical materials, 2017, vol. 72, no. 8, p. 192-199. ISSN: 1751-6161.
    Detail | WWW

    FRÝZA, J.; ŠPERKA, P.; KŘUPKA, I.; HARTL, M. Frictional response of lubricant in EHL contact under transient bi-directional shear loading. Tribology in Industry, 2017, vol. 39, no. 4, p. 506-518. ISSN: 0354-8996.
    Detail | WWW | Full text in the Digital Library

    NEČAS, D.; VRBKA, M.; GALLO, J.; KŘUPKA, I.; HARTL, M. Observation of lubrication mechanisms within artificial hip joints. Sixth World Tribology Congress (WTC 2017). Peking: Chinese Tribology Institute (CTI), 2017. p. 1-4.
    Detail

    DOČKAL, K.; ŠPERKA, P.; KŘUPKA, I.; HARTL, M. Fluid flow measurements of 5P4E by particle tracking velocimetry. In ENGINEERING MECHANICS 2017. Česká republika: Aakdemie věd ČR, Ústav termomechaniky, 2017. p. 274-277. ISBN: 978-80-214-5497-2.
    Detail | WWW

    SAKAI, K.; KOŠŤÁL, D.; SHITARA, Y.; KANETA, M.; KŘUPKA, I.; HARTL, M. Influence of Li Grease Thickener Types on Film Thicknesses Formed between Smooth and Dented Surfaces. Tribology Online, 2017, vol. 12, no. 5, p. 262-273. ISSN: 1881-2198.
    Detail | WWW

    CUI, J. P.; YANG, P.; KANETA, M.; KŘUPKA, I. Numerical study on the interaction of transversely oriented ridges in thermal elastohydrodynamic lubrication point contacts using the Eyring shear-thinning model. PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART J-JOURNAL OF ENGINEERING TRIBOLOGY, 2017, vol. 231, no. 1, p. 93-106. ISSN: 1350-6501.
    Detail

    KANETA, M.; CUI, J. L.; YANG, P. R.; KŘUPKA, I.; HARTL, M. Influence of thermal conductivity of contact bodies on perturbed film caused by a ridge and groove in point EHL contacts. Tribology International, 2017, vol. 100, no. 1, p. 84-98. ISSN: 0301-679X.
    Detail

    KŘUPKA, I. Frikční testy. 2017. p. 1-6.
    Detail

    KŘUPKA, I. Experiment mazací filmy *K.K.Irisu. 2017. p. 1-6.
    Detail

    KŘUPKA, I. Mazací filmy *Schaffler*0060/458/19072252. 2017. p. 1-6.
    Detail

    KŘUPKA, I.; POLIŠČUK, R. Projekt BigBertha. 2017. p. 1-4.
    Detail

    KOŠŤÁL, D.; ŠPERKA, P.; SVOBODA, P.; KŘUPKA, I.; HARTL, M. Influence of lubricant inlet film thickness on EHL contact starvation. ASME Transaction, Journal of Tribology, 2017, vol. 139, no. 5, p. 1-10. ISSN: 0742-4787.
    Detail

  • 2016

    ŠPERKA, P.; KŘUPKA, I.; HARTL, M. The effect of surface grooves on film breakdowns in point contacts. Tribology International, 2016, vol. 102, no. 1, p. 249-256. ISSN: 0301-679X.
    Detail | WWW | Full text in the Digital Library

    Choudhury, D.; Morita, T.; Sawae, Y. ; Lackner, JM. ; Towler, M. ; Krupka, I. A novel functional layered diamond like carbon coating for orthopedics applications. Diamond and Related Materials, 2016, vol. 61, no. 1, p. 56-69. ISSN: 0925-9635.
    Detail

    SVOBODA, P.; KOŠŤÁL, D.; KŘUPKA, I.; HARTL, M. Study of Scale Effect in a Starved Elastohydrodynamically Lubricated Contact. Applied Mechanics and Materials, 2016, vol. 821, no. 1, p. 138-143. ISSN: 1662- 7482.
    Detail

    DONG, J.; SVOBODA, P.; VRBKA, M.; KOŠŤÁL, D.; URBAN, F.; ČÍŽEK, J.; ROUPCOVÁ, P.; DONG, H.; KŘUPKA, I.; HARTL, M. Towards near-permanent CoCrMo prosthesis surface by combining micro-texturing and low temperature plasma carburising. Journal of the mechanical behavior of biomedical materials, 2016, vol. 55, no. 1, p. 215-227. ISSN: 1751-6161.
    Detail

    NEČAS, D.; VRBKA, M.; URBAN, F.; KŘUPKA, I.; HARTL, M. The effect of lubricant constituents on lubrication mechanisms in hip joint replacements. Journal of the mechanical behavior of biomedical materials, 2016, vol. 55, no. 3, p. 295-307. ISSN: 1751-6161.
    Detail | WWW

    NEČAS, D.; VRBKA, M.; YARIMITSU, S.; NAKASHIMA, K.; SAWAE, Y.; ŠPERKA, P.; KŘUPKA, I.; HARTL, M. Frictional properties of PVA hydrogel. In The Latest Methods of Construction Design. Springer International Publishing, 2016. p. 159-164. ISBN: 978-3-319-22761-0.
    Detail | WWW

    KOŠŤÁL, D.; ŠPERKA, P.; KŘUPKA, I.; HARTL, M. Relationship between Thickness of Entering Layer and Level of EHL Contact Starvation. In Tribology - Industrial and Automotive Lubrication. Esslingen (Germany): Techniosche Akademie Esslingen e.V., 2016. p. 120-120. ISBN: 978-3-943563-23- 8.
    Detail | WWW

    NEČAS, D.; VRBKA, M.; KŘUPKA, I.; HARTL, M.; GALANDÁKOVÁ, A. Lubrication within hip replacements – Implication for ceramic-on-hard bearing couples. Journal of the mechanical behavior of biomedical materials, 2016, vol. 61, no. 8, p. 371-383. ISSN: 1751-6161.
    Detail | WWW

    RANUŠA, M.; GALLO, J.; VRBKA, M.; HOBZA, M.; PALOUŠEK, D.; KŘUPKA, I.; HARTL, M. Wear Analysis of Extracted Polyethylene Acetabular Cups Using a 3D Optical Scanner. TRIBOLOGY TRANSACTIONS, 2016, vol. 60, no. 3, p. 437-447. ISSN: 1040-2004.
    Detail | WWW

    ŠPERKA, P.; KŘUPKA, I.; HARTL, M. Surface Roughness Effects under High Sliding EHL Conditions. Tribology Online, 2016, vol. 11, no. 1, p. 34-39. ISSN: 1881-218X.
    Detail

    GALAS, R.; OMASTA, M.; KŘUPKA, I.; HARTL, M. Wheel Rail Adhesion and Film Formation – The Influence of Friction Modifier Composition. Hämeenlinna, Finland: Finnish Society for Tribology, 2016.
    Detail

    FRÝZA, J.; ŠPERKA, P.; KŘUPKA, I.; HARTL, M. Effects of lateral vibrations on film thickness distribution in a point EHL contact. Hämeenlinna, Finland: Finnish Society for Tribology, 2016.
    Detail

    GALAS, R.; OMASTA, M.; KŘUPKA, I.; HARTL, M. Laboratory investigation of ability of oil-based friction modifiers to control adhesion at wheel-rail interface. WEAR, 2016, vol. 368-369, no. 3, p. 230-238. ISSN: 0043-1648.
    Detail | WWW

    FRÝZA, J.; ŠPERKA, P.; KANETA, M.; KŘUPKA, I.; HARTL, M. Effects of lubricant rheology and impact speed on EHL film thickness at pure squeeze action. Tribology International, 2016, vol. 106, no. 2, p. 1-9. ISSN: 0301-679X.
    Detail | WWW

    SVOBODA, P.; KOŠŤÁL, D.; GALAS, R.; KŘUPKA, I.; HARTL, M. Tribological behaviour of ultra dispersed diamond- graphite in liquid lubricants. Journal of the Balkan Tribological Association, 2016, vol. 22, no. 4A, p. 4994-5009. ISSN: 1310-4772.
    Detail | WWW

    ŠPERKA, P.; KŘUPKA, I.; HARTL, M. Transition from plug-flow to linear speed profile near a dent in a rolling–sliding EHL contact. Tribology International, 2016, vol. 100, no. 1, p. 344-350. ISSN: 0301-679X.
    Detail | WWW

    ŠPERKA, P.; KŘUPKA, I.; HARTL, M. Lubricant flow in thin-film elastohydrodynamic contact under extreme conditions. Friction, 2016, vol. 4, no. 4, p. 380-390. ISSN: 2223-7690.
    Detail | WWW | Full text in the Digital Library

    ŠPERKA, P.; OMASTA, M.; KŘUPKA, I.; HARTL, M. Abnormal lubricant aggregation on roughness features in a rolling–sliding elastohydrodynamic contact. Tribology International, 2016, vol. 94, no. 1, p. 346-351. ISSN: 0301-679X.
    Detail | WWW

    ŠPERKA, P.; KŘUPKA, I.; HARTL, M. Experimental Study of Roughness Effect in a Rolling-Sliding EHL Contact. Part II: Complementary Effects. TRIBOLOGY TRANSACTIONS, 2016, vol. 59, no. 2, p. 277-285. ISSN: 1040-2004.
    Detail | WWW

    ŠPERKA, P.; KŘUPKA, I.; HARTL, M. Experimental Study of Roughness Effect in a Rolling–Sliding EHL Contact. Part I: Roughness Deformation. TRIBOLOGY TRANSACTIONS, 2016, vol. 59, no. 2, p. 267-276. ISSN: 1040-2004.
    Detail | WWW

    KŘUPKA, I.; ŠPERKA, P.; HARTL, M. Effect of surface roughness on lubricant film breakdown and transition from EHL to mixed lubrication. Tribology International, 2016, vol. 100, no. 1, p. 116-125. ISSN: 0301-679X.
    Detail | WWW

    Choudhury, D.; Lackner, JM. ; Major, L.; Morita, T.; Sawae, Y.; Bin Mamat, A. ; Stavness, I. ; Roy, CK.; Krupka, I. Improved wear resistance of functional diamond like carbon coated Ti-6Al-4V alloys in an edge loading conditions. Journal of the mechanical behavior of biomedical materials, 2016, vol. 59, no. 1, p. 586-595. ISSN: 1751-6161.
    Detail

    CHOUDHURY, D.; GHOSH, S.; ALI, F.; VRBKA, M.; HARTL, M.; KŘUPKA, I. The influence of surface modification on friction and lubrication mechanism under a bovine serum lubricated condition. TRIBOLOGY TRANSACTIONS, 2016, vol. 59, no. 2, p. 316-322. ISSN: 1040-2004.
    Detail | WWW

  • 2015

    CHOUDHURY, D.; CHING, H.A.; MAMAT, A.B.; ČÍŽEK, J.; ABU OSMAN, N.A.; VRBKA, M.; HARTL, M.; KŘUPKA, I. Fabrication and characterization of DLC coated microdimples on hip prosthesis heads. Journal of biomedical materials research. Part B, Applied biomaterials (Print), 2015, vol. 103, no. 5, p. 1002-1012. ISSN: 1552-4973.
    Detail | WWW

    FRÝZA, J.; ŠPERKA, P.; KŘUPKA, I.; HARTL, M. Behaviour of EHL Films under Lateral Vibrations. Scholar' s Press, 2015.
    Detail | WWW

    ALI, F.; KŘUPKA, I.; HARTL, M. Reducing the friction of lubricated nonconformal point contacts by transverse shallow micro-grooves. PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART J-JOURNAL OF ENGINEERING TRIBOLOGY, 2015, vol. 229, no. 4, p. 420-428. ISSN: 1350-6501.
    Detail

    OMASTA, M.; MACHATKA, M; SMEJKAL, D.; KŘUPKA, I.; HARTL, M. Influence of sanding parameters on adhesion recovery in contaminated wheel–rail contact. WEAR, 2015, vol. 322-323, no. 1, p. 218-225. ISSN: 0043-1648.
    Detail

    KANETA, M.; YANG, P.; KŘUPKA, I.; HARTL, M. Fundamentals of thermal elastohydrodynamic lubrication in Si3N4 and steel circular contacts. PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART J- JOURNAL OF ENGINEERING TRIBOLOGY, 2015, vol. 229, no. 8, p. 929-939. ISSN: 1350- 6501.
    Detail

    CHOUDHURY, D.; URBAN, F.; VRBKA, M.; HARTL, M.; KŘUPKA, I. A novel tribological study on DLC-coated micro-dimpled Orthopedics implant interface. Journal of the mechanical behavior of biomedical materials, 2015, vol. 2015, no. 45, p. 121-131. ISSN: 1751-6161.
    Detail | WWW

    CHOUDHURY, D.; ROY, T.; KRUPKA, I.; HARTL, M.; MOOTANAH, R. Tribological Investigation of Ultra-High Weight Molecular Polyethylene Against Advanced Ceramic Surfaces in a hip Joint Conditions. PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART J-JOURNAL OF ENGINEERING TRIBOLOGY, 2015, vol. 229, no. 4, p. 410-419. ISSN: 1350-6501.
    Detail

    SVOBODA, P.; KOŠŤÁL, D.; KŘUPKA, I. Study of Scale Effect in a Starved Elastohydrodynamically Lubricated Contact. In ENGINEERING MECHANICS 2015, 21st International Conference Engineering Mechanics 2015. Engineering mechanics 2014. 1. Svratka: Institute of Theoretical and Applied Mechanics, 2015. p. 314-315. ISBN: 978-80-86246-42- 0. ISSN: 1805- 8248.
    Detail | WWW

    VRBKA, M.; NEČAS, D.; HARTL, M.; KŘUPKA, I.; URBAN, F.; GALLO, J. Visualization of lubricating films between artificial head and cup with respect to real geometry. Biotribology, 2015, vol. 1-2, no. 1, p. 61-65. ISSN: 2352-5738.
    Detail | WWW

    ALI, F.; KŘUPKA, I.; HARTL, M. Effects of out-of-contact lubricant channeling on friction and film thickness in starved elastohydrodynamic lubrication point contacts. PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART J-JOURNAL OF ENGINEERING TRIBOLOGY, 2015, vol. 229, no. 6, p. 1-9. ISSN: 1350-6501.
    Detail

    NEČAS, D.; ŠPERKA, P.; VRBKA, M.; KŘUPKA, I.; HARTL, M. Film thickness mapping in lubricated contacts using fluorescence. MM Science Journal, 2015, vol. 4, no. 4, p. 821-824. ISSN: 1803-1269.
    Detail

    KOŠŤÁL, D.; NEČAS, D.; ŠPERKA, P.; SVOBODA, P.; KŘUPKA, I.; HARTL, M. Lubricant Rupture Ratio at Elastohydrodynamically Lubricated Contact Outlet. Tribology Letters, 2015, vol. 59, no. 3, p. 1 (jasne p.)ISSN: 1023-8883.
    Detail | WWW

    SVOBODA, P.; KOŠŤÁL, D.; KŘUPKA, I. Experimental Investigation of Lubrication Film Formation at Start-up of Smooth Surfaces. In Book of Proceedings of 56th International Conference of Machine Design Departments. 1. Nitra: Slovak University of Agriculture in Nitra, 2015. p. 375-380. ISBN: 978-80-552-1377-4.
    Detail

    GALAS, R.; ŠPERKA, P.; OMASTA, M.; HARTL, M.; KŘUPKA, I. Investigation of the Lubricant Fluid- Flow in EHL Contact using Particle Tracking. In Book of Proceedings of 56th International Conference of Machine Design Departments. First. Nitra: Slovak University of Agriculture in Nitra, 2015. p. 353-356. ISBN: 978-80-552-1377- 4.
    Detail

    FRÝZA, J.; ŠPERKA, P.; KŘUPKA, I.; HARTL, M. Behaviour of EHL Films under Lateral Vibrations. In Book of Proceedings of 56th International Conference of Machine Design Departments. First. Nitra: Slovak University of Agriculture in Nitra, 2015. p. 349-352. ISBN: 978-80-552-1377- 4.
    Detail

    VRBKA, M.; NEČAS, D.; BARTOŠÍK, J.; HARTL, M.; KŘUPKA, I.; GALANDÁKOVÁ, A.; GALLO, J. Stanovení součinitele tření hlavic a jamek TEP kyčle. Acta Chirurgie Orthopaedicae et Traumatologie Čechoslovaca, 2015, vol. 82, no. 5, p. 341-347. ISSN: 0001- 5415.
    Detail | WWW

    KOŠŤÁL, D.; ŠPERKA, P.; SVOBODA, P.; KŘUPKA, I.; HARTL, M. Experimental observation of elastohydrodynamically lubricated contacts replenishment. MM Science Journal, 2015, no. 2015/3, p. 640-644. ISSN: 1805-0476.
    Detail | WWW

    GALAS, R.; OMASTA, M.; KŘUPKA, I.; HARTL, M. Effect of Friction Modifiers on Adhesion in Wheel- Rail Contact. Tokyo: Japanese Society of Tribologists, 2015. p. 973-974.
    Detail

    FRÝZA, J.; ŠPERKA, P.; KŘUPKA, I.; HARTL, M. Roughness Effects in Impact EHL of Elliptical Contacts. Tokyo: Japanese Society of Tribologists, 2015. p. 971-972.
    Detail

    NEČAS, D.; VRBKA, M.; URBAN, F.; KŘUPKA, I.; HARTL, M.; GALLO, J. An experimental investigation of lubricant film formation in artificial hip joints. Proceedings of The 8th International Biotribology Forum and The 36th Biotribology Symposium. Yokohama: 2015. p. 73-74.
    Detail

    ALI, F.; KŘUPKA, I.; HARTL, M. Mechanism for Controlling Oil Replenishment in Starved Elliptical EHL Contacts. Tribology Letters, 2015, vol. 60, no. 37, p. 1-8. ISSN: 1023-8883.
    Detail

    URBAN, F.; NEČAS, D.; VRBKA, M.; KŘUPKA, I.; HARTL, M. In Situ Observation of Lubricant Film within Artificial Hip Joints. Tokyo: Japanese Society of Tribologists, 2015. p. 860-861.
    Detail

    SVOBODA, P.; KOŠŤÁL, D.; KŘUPKA, I.; HARTL, M. Experimental Investigation of Lubrication Film Formation at Start-up of Smooth Surfaces. MM Science Journal, 2015, vol. 2015, no. December, p. 825-828. ISSN: 1805-0476.
    Detail

    GALAS, R.; ŠPERKA, P.; OMASTA, M.; HARTL, M.; KŘUPKA, I. Investigation of the Lubricant Fluid- Flow in EHL Contact using Particle Tracking. Machine Design. Scholar' s Press, 2015. ISBN: 978-3-639-66914- 5.
    Detail

    ALI, F.; KANETA, M.; KŘUPKA, I.; HARTL, M. Experimental and numerical investigation on the behavior of transverse limited micro-grooves in EHL point contacts. Tribology International, 2015, vol. 84, no. 4, p. 81-89. ISSN: 0301-679X.
    Detail

  • 2014

    VRBKA, M.; KŘUPKA, I.; HARTL, M.; NÁVRAT, T.; GALLO, J.; GALANDÁKOVÁ, A. In situ measurements of thin films in bovine serum lubricated contacts using optical interferometry. PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART H-JOURNAL OF ENGINEERING IN MEDICINE, 2014, vol. 228, no. 2, p. 149-158. ISSN: 0954-4119.
    Detail

    KANETA, M.; ŠPERKA, P.; KŘUPKA, I.; HARTL, M. Ehl traction analysis of perfluoropolyether fluids based on bulk modulus. Tribologia: Finnish Journal of Tribology, 2014, vol. 32, no. 2, p. 29-37. ISSN: 0780-2285.
    Detail

    SVOBODA, P.; KOŠŤÁL, D.; KUŇÁK, J.; KŘUPKA, I. Study of grease behaviour in a starved Elastohydrodynamically lubricated contact. MM Science Journal, 2014, vol. 2014, no. June, p. 464-469. ISSN: 1805- 0476.
    Detail | WWW

    NEČAS, D.; VRBKA, M.; YARIMITSU, S.; NAKASHIMA, K.; SAWAE, Y.; ŠPERKA, P.; KŘUPKA, I.; HARTL, M. Frictional Properties of PVA Hydrogel. In 55th International Conference of Machine Design Departments. 2014. p. 147-152. ISBN: 978-80-01-05542- 7.
    Detail

    KOŠŤÁL, D.; KŘUPKA, I.; HARTL, M. Including the method of lubricant film thickness measurement with the use of the monochromatic interferometry to the education of tribology. In 55th International conference of Machine design Departments. 2014. p. 141-146. ISBN: 978-80-01-05542- 7.
    Detail

    HARTL, M.; KŘUPKA, I.; OMASTA, M.; ŠPERKA, P. Recent Advances and Problems in Lubricated Hertzian Contacts. In Engineering Mechanics 2014. Svratka: Brno University of Technology, 2014. p. 34-38. ISBN: 978-80-214-4871-1.
    Detail

    KANETA, M.; GUO, F.; WANG, J.; KŘUPKA, I.; HARTL, M. Microgroove formation in surface ridges in impact elliptical EHL contacts. Lubrication Science, 2014, vol. 26, no. 5, p. 283-299. ISSN: 0954-0075.
    Detail

    ŠPERKA, P.; KŘUPKA, I.; HARTL, M. Evidence of Plug Flow in Rolling-Sliding Elastohydrodynamic Contact. Tribology Letters, 2014, vol. 54, no. 2, p. 151-160. ISSN: 1023-8883.
    Detail

    NEČAS, D.; VRBKA, M.; ŠPERKA, P.; DRUCKMÜLLER, M.; SKLÁDAL, P.; ŠTARHA, P.; KŘUPKA, I.; HARTL, M. Qualitative Analysis of Film Thickness in Rolling EHD Contact by Fluorescence Technique. In Modern Methods of Construction Design. Lecture Notes in Mechanical Engineering. Springer International Publishing, 2014. p. 615-622. ISBN: 978-3-319-05202- 1. ISSN: 2195- 4356.
    Detail | WWW

    KŘUPKA, I. Studium tloušťky mazacího filmu trakčního maziva. Brno: 2014. p. 1-5.
    Detail

    KŘUPKA, I. Vývoj software BigBertha 2014. Brno: 2014. p. 1-4.
    Detail

    KŘUPKA, I. Vývoj adaptivního subsystému LOKO_ TRAM kolejových vozidel. 2014. p. 1-5.
    Detail

    KŘUPKA, I. Elastohydrodynamic lubricant film measurements I. 2014. p. 1-4.
    Detail

    KŘUPKA, I.; ŠPERKA, P. Vývoj a konstrukce experimentálního zařízení pro studium mazacích filmů. 2014. p. 1-5.
    Detail

    KŘUPKA, I.; KANETA, M. Technology education and research in Czech Republic - Brno University of Tribology. JOURNAL OF JAPANESE SOCIETY OF TRIBOLOGISTS, 2014, vol. 59, no. 9, p. 535-540. ISSN: 0915- 1168.
    Detail

    HARTL, M.; KŘUPKA, I.; OMASTA, M.; ŠPERKA, P. RECENT ADVANCES AND PROBLEMS IN LUBRICATED HERTZIAN CONTACTS. In ENGINEERING MECHANICS 2014. Engineering mechanics 2014. Engineering Mechanics. Svratka, Česká Republika.: Czech Society for Mechanics, 2014. p. 34-37. ISBN: 978-80-214-4871-1. ISSN: 1805-8248.
    Detail

    KOŠŤÁL, D.; ŠPERKA, P.; KŘUPKA, I.; HARTL, M. Mechanismy mazání valivých ložisek. In 2014. p. 30-32.
    Detail

  • 2013

    VRBKA, M.; NÁVRAT, T.; KŘUPKA, I.; HARTL, M.; ŠPERKA, P.; GALLO, J. Study of film formation in bovine serum lubricated contacts under rolling/sliding conditions. PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART J-JOURNAL OF ENGINEERING TRIBOLOGY, 2013, vol. 227, no. 5, p. 459-475. ISSN: 1350-6501.
    Detail

    STAHL, K.; MICHAELIS, K.; MAYER., J; WEIGL, A.; LOHNER, T.; OMASTA, M.; HARTL, M.; KŘUPKA, I. Theoretical and experimental investigations on EHL point contacts with different entrainment velocity directions. In Proceedings of World Tribology Congres 2013. 4. Turín: Politecnico di Torino (DIMEAS), 2013. p. 980-983. ISBN: 9781634393522.
    Detail | WWW

    SVOBODA, P.; KOŠŤÁL, D.; POPELKA, M.; KŘUPKA, I. The experimental study of transition between fully flooded and starved regime in EHL contact. Engineering Mechanics, 2013, vol. 20, no. 1, p. 13-25. ISSN: 1802- 1484.
    Detail | WWW

    VRBKA, M.; NÁVRAT, T.; KŘUPKA, I.; HARTL, M.; GALLO, J. MAPPING OF FILM THICKNESS IN BOVINE SERUM LUBRICATED CONTACTS. Engineering Mechanics, 2013, vol. 20, no. 1, p. 27-41. ISSN: 1802- 1484.
    Detail

    ALI, F.; KŘUPKA, I.; HARTL, M. An Approximate Approach to Predict the Degree of Starvation in Ball– Disk Machine Based on the Relative Friction. TRIBOLOGY TRANSACTIONS, 2013, vol. 56, no. 4, p. 681-686. ISSN: 1040- 2004.
    Detail

    ALI, F.; KRUPKA, I.; HARTL, M. Enhancing the parameters of starved EHL point conjunctions by artificially induced replenishment. Tribology International, 2013, vol. 66, no. 1, p. 134-142. ISSN: 0301- 679X.
    Detail

    SVOBODA, P.; KOŠŤÁL, D.; KŘUPKA, I.; HARTL, M. Experimental study of starved EHL contacts based on thickness of oil layer in the contact inlet. Tribology International, 2013, vol. 67, no. 1, p. 140-145. ISSN: 0301- 679X.
    Detail

    STAHL, K.; MICHAELIS, K.; MAYER, J.; WEIGL, A.; LOHNER, T.; OMASTA, M.; HARTL, M.; KŘUPKA, I. Theoretical and Experimental Investigations on EHL Point Contacts with Different Entrainment Velocity Directions. TRIBOLOGY TRANSACTIONS, 2013, vol. 56, no. 5, p. 728-738. ISSN: 1040- 2004.
    Detail

    OMASTA, M.; FRÝZA, J.; HARTL, M.; KŘUPKA, I. An experimental approach to the study of rail wheel/ flange lubrication. In Society of Tribologists & Lubrication Engineers Annual Meeting & Exhibition 2013 / Proceedings of a meeting held 5-9 May 2013, Detroit, Michigan, USA. Society of Tribologists and Lubrication Engineers, 2013. p. 1-3. ISBN: 978-1-62993-289- 7.
    Detail | WWW

    NEČAS, D.; VRBKA, M.; ŠPERKA, P.; DRUCKMÜLLER, M.;SKLÁDAL, P.; ŠTARHA, P.; KŘUPKA, I.; HARTL, M. Qualitative Analysis of Film Thickness in Rolling EHD Contact by Fluorescence Technique. In Book of Proceedings of 54th International Conference of Machine Design Departments. Springer, 2013. p. 513-520. ISBN: 978-80-7372-986- 8.
    Detail

    KANETA, M.; KŘUPKA, I.; HARTL, M.; GUO, F.; WANG, J. Formation of micro- grooves under impact loading in elliptical contacts with surface ridges. Tribology International, 2013, vol. 65, no. 9, p. 336-345. ISSN: 0301- 679X.
    Detail

    BAIR, S.; ŠPERKA, P.; KŘUPKA, I.; HARTL, M. Quantitative elastohydrodynamic film thickness of mechanically degraded oil. Tribology International, 2013, vol. 65, no. 8, p. 33-38. ISSN: 0301- 679X.
    Detail

    BIBOULET, N.; ŠPERKA, P.; VENNER, CH.; LUBRECHT, T.; KŘUPKA, I. Obtaining the pressure spike and maximum shear stress from optical interferometry data. Tribology International, 2013, vol. 65, no. 6, p. 1-7. ISSN: 0301- 679X.
    Detail

    NÁVRAT, T.; VRBKA, M.; LAŠTŮVKA, J.; KŘUPKA, I.; HARTL, M.; GALLO, J. Effect of contact condition on film thickness formation in artificial joints. In Mechatronics 2013. Springer International Publishing Switzerland: Springer International Publishing, 2013. p. 863-868. ISBN: 978-3-319-02293- 2.
    Detail | WWW

    GALLO, J.; HARTL, M.; VRBKA, M.; NÁVRAT, T.; KŘUPKA, I. Co by měl vědět ortoped o biotribologii totální endoprotézy kyčelního kloubu. Acta Chirurgie Orthopaedicae et Traumatologie Čechoslovaca, 2013, vol. 80, no. 6, p. 377-385. ISSN: 0001- 5415.
    Detail | WWW

    KOŠŤÁL, D.; ŠPERKA, P.; SVOBODA, P.; KŘUPKA, I.; HARTL, M. Influence of rolling elements distance on starvation. In Society of Tribologists & Lubrication Engineers Annual Meeting & Exhibition 2013 / Proceedings of a meeting held 5-9 May 2013, Detroit, Michigan, USA. Detroit: Curran Associates, Inc. ( Dec 2013 ), 2013. p. 296-298. ISBN: 978-1-62993-289- 7.
    Detail | WWW

    ŠPERKA, P.; KŘUPKA, I.; HARTL, M. Rapid Prediction of Roughness Effects in Sliding EHL Contacts. In Society of Tribologists & Lubrication Engineers Annual Meeting & Exhibition 2013 / Proceedings of a meeting held 5-9 May 2013, Detroit, Michigan, USA. Detroit: Society of Tribologists and Lubrication Engineers, 2013. p. 180-182. ISBN: 978-1-62993-289- 7.
    Detail | WWW

    KŘUPKA, I. Measurement of Pressure Distribution. In Encyclopedia of Tribology. 1. New York: Springer US, 2013. p. 2196-2202. ISBN: 978-0-387-92896- 8.
    Detail

    KŘUPKA, I. Surface Texture for Bodies in Non- Conformal Contacts. In Encyclopedia of Tribology. 1. New York: Springer US, 2013. p. 3479-3485. ISBN: 978-0-387-92896- 8.
    Detail

    ŠPERKA, P.; KŘUPKA, I.; HARTL, M. Surface Roughness Effects in Thermal EHL Contacts. In Proceedings of the 5th World Tribology Congress. 2. Torino: Politecnico di Torino (DIMEAS), 2013. p. 1686-1688. ISBN: 9781634393522.
    Detail

    OMASTA, M.; FRÝZA, J.; HARTL, M.; KŘUPKA, I. Study of Effects of Wheel Flange/ Rail Gauge Contact Lubrication. In Proceedings of World Tribology Congres 2013. 4. Turín: Politecnico di Torino (DIMEAS), 2013. p. 3007-3009. ISBN: 9781634393522.
    Detail

    KOŠŤÁL, D.; ŠPERKA, P.; KŘUPKA, I.; HARTL, M. Surface Roughness Effects in Starved EHL Contacts. In Proceedings of World Tribology Congres 2013. 1. Turín: Italian Tribology Association, 2013. p. 951-954. ISBN: 9781634393522.
    Detail

    JANG, S.; HARTL, M.; KŘUPKA, I. Study on the transient elastohydrodynamic film formation by the artificial surface pattern structure. In 5th World Tribology Congress, WTC 2013; The Palaolimpico Isozaki TorinoC.so SebastopoliTorino; Italy; 8 September 2013 through 13 September 2013; Code 109501. 2. Torino: Politecnico di Torino (DIMEAS), 2013. p. 1013-1015. ISBN: 9781634393522.
    Detail

    VRBKA, M.; KŘUPKA, I.; HARTL, M.; GALLO, J. Study of lubricating mechanisms in artificial hip joints. In 5th World Tribology Congress, WTC 2013. 1. Torino, Italy: Politecnico di Torino (DIMEAS), 2013. p. 467-469. ISBN: 9781634393522.
    Detail | WWW

    OMASTA, M.; KŘUPKA, I.; HARTL, M. Effect of Surface Velocity Directions on Elastohydrodynamic Film Shape. TRIBOLOGY TRANSACTIONS, 2013, vol. 56, no. 2, p. 301-309. ISSN: 1040- 2004.
    Detail

  • 2012

    ŠPERKA, P.; KŘUPKA, I.; HARTL, M. Experimental study of real roughness attenuation in rolling- sliding concentrated contacts. Tribology International, 2012, vol. 46, no. 1, p. 14-21. ISSN: 0301- 679X.
    Detail

    KŘUPKA, I.; HARTL, M.; ČUDEK, V. Application of Spectroscopic Reflectometry to Elastohydrodynamic Lubrication Films Study. Tribology Letters, 2012, vol. 45, no. 1, p. 195-205. ISSN: 1023- 8883.
    Detail

    OMASTA, M.; HARTL, M.; KŘUPKA, I. EFFECT OF SURFACE VELOCITY DIRECTIONS ON EHD FILM SHAPE. In STLE 2012 Annual Meeting & Exhibition. Society of Tribologists and Lubrication Engineers, 2012. p. 1-3. ISBN: 978-0-7918-4508- 0.
    Detail

    ŠPERKA, P.; KŘUPKA, I.; HARTL, M. The Behavior of Surface Roughness in EHL Contacts Under Small Slide to Roll Ratios. Tribology Letters, 2012, vol. 47, no. 3, p. 357-366. ISSN: 1023-8883.
    Detail

    BOSÁK, D.; LAŠTŮVKA, J.; VRBKA, M.; NÁVRAT, T.; HARTL, M.; KŘUPKA, I. MAPPING OF LUBRICATING FILM THICKNESS IN HUMAN HIP JOINT REPLACEMENTS. MM Science Journal, 2012, vol. 2012, no. 12, p. 378-381. ISSN: 1803- 1269.
    Detail | WWW

    ALI, F.; KŘUPKA, I.; HARTL, M. Analytical and experimental investigation on friction of non- conformal point contacts under starved lubrication. MECCANICA, 2012, vol. 45, no. 1, p. 1-9. ISSN: 0025- 6455.
    Detail

    ŠPERKA, P.; KŘUPKA, I.; HARTL, M. Prediction of Real Rough Surface Deformation in Pure Rolling EHL Contact: Comparison with Experiment. TRIBOLOGY TRANSACTIONS, 2012, vol. 55, no. 5, p. 698-704. ISSN: 1040- 2004.
    Detail

    KANETA, M.; KŘUPKA, I.; HARTL, M. Pressure Increase in Elliptical Impact Elastohydrodynamic Lubrication Contacts With Longitudinal Asperities. ASME Transaction, Journal of Tribology, 2012, vol. 135, no. 1, p. 1-6. ISSN: 0742- 4787.
    Detail

    KANETA, M.; KŘUPKA, I.; HARTL, M. Effects of Loading Process and Contact Shape on Point Impact Elastohydrodynamics. TRIBOLOGY TRANSACTIONS, 2012, vol. 55, no. 6, p. 772-781. ISSN: 1040- 2004.
    Detail

    SVOBODA, P.; KOŠŤÁL, D.; KŘUPKA, I.; HARTL, M. EXPERIMENTAL STUDY OF LUBRICATION FILM FORMATION IN MULTIPLE CONTACTS DEVICE UNDER STARVED CONDITIONS. In Proceedings of the ASME/ STLE 2012 International Joint Tribology Conference. Denver, CO; United States: American Society of Mechanical Engineers, Tribology Division, TRIB, 2012. p. 233-235. ISBN: 978-0-7918-4508- 0.
    Detail

    BOSÁK, D.; LAŠTŮVKA, J.; VRBKA, M.; NÁVRAT, T.; HARTL, M.; KŘUPKA, I. Mapping of lubricating film thickness in human hip joint replacements. In 53rd International Conference of Machine Design Departments. 1. Brno: Brno University of Technology, 2012. p. 45-52. ISBN: 978-80-214-4533- 8.
    Detail

    VRBKA, M.; NÁVRAT, T.; KŘUPKA, I.; HARTL, M.; GALLO, J. EFFECT OF PROTEINS ON FILM FORMATION IN BOVINE SERUM LUBRICATED CONTACTS UNDER ROLLING/ SLIDING CONDITIONS. In ASME/STLE 2012 Joint Tribology Conference (IJTC2012). 1. Denver, Colorado, USA: ASME, 2012. p. 1-3. ISBN: 978-0-7918-4508- 0.
    Detail

    VRBKA, M.; NÁVRAT, T.; KŘUPKA, I.; HARTL, M.; GALLO, J.; ADAM, T. Effect of Proteins on Film Formation in Bovine Serum Lubricated Contacts. In 15th Nordic Symposium on Tribology (NORDTRIB 2012). 1. Trondheim, Norway: Norwegian University of Science and Technology, 2012. p. 91-91. ISBN: 978-82-14-05270- 1.
    Detail

    OMASTA, M.; KŘUPKA, I.; HARTL, M. THE CONTRIBUTION OF A SLIDING VELOCITY TO EHL FILM THICKNESS DISTRIBUTION. In ASME/ STLE 2012 International Joint Tribology Conference. 1. Denver, Colorado, USA: ASME/ STLE, 2012. p. 1-3. ISBN: 978-0-7918-4508- 0.
    Detail

    KŘUPKA, I.; HARTL, M.; POLIŠČUK, R. Projekt BigBertha. Brno: Koyo Bearings Česká republika s.r.o., 2012. p. 1 (1 s.).
    Detail

    ŠPERKA, P.; KŘUPKA, I.; HARTL, M. Experimental study on analytical methods for roughness deformation description in EHL contacts. In PROCEEDINGS OF THE ASME/STLE INTERNATIONAL JOINT TRIBOLOGY CONFERENCE, IJTC 2012. Denver, CO: American Society of Mechanical Engineers, 2012. p. 123-125. ISBN: 978-0-7918-4508- 0.
    Detail

    KOŠŤÁL, D.; SVOBODA, P.; KŘUPKA, I. Lubrication film starvation on two element device. In 53rd International Conference of Machine Design Departments. Brno: Brno University of Technology, 2012. p. 137-140. ISBN: 978-80-214-4533- 8.
    Detail

    ZIMMERMAN, M.; KŘUPKA, I.; HARTL, M.; HOUŠKA, P. LUBRICATION FILM THICKNESS BEHAVIOR UNDER TRANSIENT SPEED AND LOAD CONDITIONS. In PROCEEDINGS OF THE ASME/STLE INTERNATIONAL JOINT TRIBOLOGY CONFERENCE, IJTC 2012. 1. Denver, CO, USA: AMER SOC MECHANICAL ENGINEERS, THREE PARK AVENUE, NEW YORK, NY 10016- 5990 USA, 2012. p. 189-191. ISBN: 978-0-7918-4508- 0.
    Detail

    KŘUPKA, I.; HARTL, M.; KANETA, M. Pressure increase in elliptical impact ehl contacts with surface asperities. In Proceedings of the ASME/ STLE 2012 International Joint Tribology Conference. Denver, CO; United States: American Society of Mechanical Engineers, Tribology Division, TRIB, 2012. p. 101-102. ISBN: 9780791845080.
    Detail

  • 2011

    OMASTA, M.; KŘUPKA, I.; HARTL, M. Effect of surface velocity directions on elastohydrodynamic film shape. In ECOTRIB 2011. Wien: The Austrian Tribology Society, 2011. p. 531-532. ISBN: 978-3-901657-38- 2.
    Detail

    VRBKA, M.; KŘUPKA, I.; SVOBODA, P.; ŠPERKA, P.; NÁVRAT, T.; HARTL, M.; NOHAVA, J. Effect of shot peening on rolling contact fatigue and lubricant film thickness within mixed lubricated non-conformal rolling/ sliding contacts. Tribology International, 2011, vol. 44, no. 12, p. 1726-1735. ISSN: 0301- 679X.
    Detail

    VRBKA, M.; ZIMMERMAN, M.; NÁVRAT, T.; KŘUPKA, I.; HARTL, M. Mapping of film thickness in bovine serum lubricated contacts. In International Conference on BioTribology (ICoBT 2011). 1. Londýn: Imperial College, 2011. p. 1-2.
    Detail

    ZIMMERMAN, M.; KŘUPKA, I.; HARTL, M.; HOUŠKA, P. EFFECT OF SURFACE TEXTURING ON EHD LUBRICATION FILMS UNDER TRANSIENT SPEED CONDITION. In PROCEEDINGS OF THE ASME/STLE INTERNATIONAL JOINT TRIBOLOGY CONFERENCE - 2011. 1. Los Angeles, CA, USA: AMER SOC MECHANICAL ENGINEERS, THREE PARK AVENUE, NEW YORK, NY 10016- 5990 USA, 2011. p. 187-189. ISBN: 978-0-7918-5474- 7.
    Detail

    KŘUPKA, I.; HARTL, M.; ZIMMERMAN, M.; HOUŠKA, P.; JANG,S. Effect of surface texturing on elastohydrodynamically lubricated contact under transient speed conditions. Tribology International, 2011, vol. 44, no. 10, p. 1144-1150. ISSN: 0301- 679X.
    Detail

    OMASTA, M.; KŘUPKA, I.; HARTL, M. Study of elastohydrodynamic film shape under different directions of velocity vectors. In ASME/ STLE 2011 International Joint Tribology Conference. 1. Los Angeles, CA, USA: ASME/ STLE, 2011. p. 1-3. ISBN: 978-0-7918-5474- 7.
    Detail

    ŠPERKA, P.; KŘUPKA, I.; HARTL, M. Experimental study of artificial features attenuation in rolling/ sliding concentrated contacts. In ASME/ STLE 2011 International Joint Tribology Conference. 1. Los Angeles, CA, USA: ASME/ STLE, 2011. p. 135-137. ISBN: 978-0-7918-5474- 7.
    Detail | WWW

    SVOBODA, P.; VRBKA, M.; ŠPERKA, P.; KŘUPKA, I.; HARTL, M. Study of Lubrication Film Formation in Ball Bearings Under Starved Conditions. In ASME/ STLE 2011 International Joint Tribology Conference. 1. Los Angeles, CA, USA: American Society of Mechanical Engineers, Tribology Division, TRIB, 2011. p. 183-185. ISBN: 978-0-7918-5474- 7.
    Detail

  • 2010

    VRBKA, M.; KŘUPKA, I.; ŠAMÁNEK, O.; SVOBODA, P.; VAVERKA, M.; HARTL, M. Effect of surface texturing on lubrication film formation and rolling contact fatigue within mixed lubricated non- conformal contacts. MECCANICA, 2010, vol. 2010, no. 06, p. 1-8. ISSN: 0025- 6455.
    Detail | WWW

    VRBKA, M.; ŠAMÁNEK, O.; ŠPERKA, P.; NÁVRAT, T.; KŘUPKA, I.; HARTL, M. Effect of surface texturing on rolling contact fatigue within mixed lubricated non-conformal rolling/ sliding contacts. Tribology International, 2010, vol. 43, no. 8, p. 1457-1465. ISSN: 0301- 679X.
    Detail | WWW

    VAVERKA, M.; ZAPLETAL, L.; ŠPERKA, P.; VRBKA, M.; SVOBODA, P.; KŘUPKA, I. Vliv povrchových mikronerovností a defektů na rozložení kontaktního tlaku a tloušťky mazacího filmu za podmínek elastohydrodynamického mazání. In Failures of rolling bearings / Poruchy valivých ložísk. Bratislava: KONGRES Management, 2010. p. 55-58. ISBN: 978-80-89275-24- 3.
    Detail

    VRBKA, M.; KŘUPKA, I.; HARTL, M.; SVOBODA, P. Effect of Surface Topography Modifications on Rolling Contact Fatigue of Mixed Lubricated Contacts. In Proceedings of a meeting held 16-20 May 2010, Las Vegas, Nevada, USA. Las Vegas, Nevada, USA: STLE, 2010. p. 1-3. ISBN: 9781617387272.
    Detail

    ŠAMÁNEK, O.; ZIMMERMAN, M.; SVOBODA, P.; KŘUPKA, I.; VRBKA, M. Influence of Surface Texturing on Lubricant Film Formation and Surface Fatigue. Engineering Mechanics, 2010, vol. 17, no. 1, p. 27-36. ISSN: 1802- 1484.
    Detail

    KUMAR, P.; BAIR, S.; KŘUPKA, I.; HARTL, M. Newtonian quantitative elastohydrodynamic film thickness with linear piezoviscosity. Tribology International, 2010, vol. 43, no. 11, p. 2159-2165. ISSN: 0301- 679X.
    Detail

    SHEN, XJ.; CHEN, XY.; ŠPERKA, P.; KŘUPKA, I.; HARTL, M. Effect of real longitudinal surface roughness on lubrication film formation within line elastohydrodynamic contact. Tribology International, 2010, vol. 44, no. 3, p. 1-6. ISSN: 0301- 679X.
    Detail

    KŘUPKA, I.; HARTL, M.; BAIR, S.; SVOBODA, P. ;KUMAR, P. Mechanical Degradation of the Liquid in an Operating EHL Contact. Tribology Letters, 2010, vol. 40, no. 3, p. 1-7. ISSN: 1023- 8883.
    Detail

  • 2009

    HARTL, M.; KŘUPKA, I.; SVOBODA, P. Effect of surface topography on mixed lubrication film under transient conditions. In PROCEEDINGS OF THE ASME/STLE INTERNATIONAL JOINT TRIBIOLOGY CONFERENCE - 2009. 1. Mempis, TN: AMER SOC MECHANICAL ENGINEERS, THREE PARK AVENUE, NEW YORK, NY 10016- 5990 USA, 2009. p. 481-482. ISBN: 978-0-7918-4895- 1.
    Detail

    KŘUPKA, I.; HARTL, M.; BAIR, S.; KUMAR, P.; KHONSARI, M.M. The Effect of Load (Pressure) for Quantitative EHL Film Thickness. Tribology Letters, 2009, vol. 34, no. X, p. 1-10. ISSN: 1023- 8883.
    Detail

    KŘUPKA, I.; HARTL, M.; SVOBODA, P. Effects of surface topography on lubrication film formation within mixed lubricated contacts during start up. In Proceedings of World Tribology Congress 2009, Sunday 6th to Friday 11th, September, 2009, Kyoto, Japan. Japan: Japanese Society of Tribologists, 2009, 2009. p. 543-543. ISBN: 9784990013998.
    Detail

    KŘUPKA, I.; SVOBODA, P.; HARTL, M. Effect of surface topography on mixed lubrication film formation during start up under rolling/ sliding conditions. Tribology International, 2009, vol. 43, no. 4, p. 1-9. ISSN: 0301- 679X.
    Detail

    ŠPERKA, P.; KŘUPKA, I.; HARTL, M. Experimental study of real roughness attenuation in concentrated contacts. Tribology International, 2009, vol. 42, no. 12, p. 1-9. ISSN: 0301- 679X.
    Detail

    BAIR, S.; FERNANDEZ, J.; KHONSARI, M.M.; KŘUPKA, I.; QURESHI, Q.; VERGNE, P.; WANG, Q.J. An argument for a change in elastohydrodynamic lubrication philosophy. PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART J- JOURNAL OF ENGINEERING TRIBOLOGY, 2009, vol. 223, no. 4, p. 1-2. ISSN: 1350- 6501.
    Detail

    KŘUPKA, I.; HARTL, M. Effect of Surface Texturing on Very Thin Film EHD Lubricated Contacts. TRIBOLOGY TRANSACTIONS, 2009, vol. 52, no. 1, p. 21-28. ISSN: 1040- 2004.
    Detail

    KŘUPKA, I.; HARTL, M.; VRBKA, M.; VAVERKA, M.; POLIŠČUK, R. Effect of surface dents on contact pressure in elastohydrodynamic contacts. PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART J- JOURNAL OF ENGINEERING TRIBOLOGY, 2009, vol. 223, no. 4, p. 683-693. ISSN: 1350- 6501.
    Detail

    KŘUPKA, I.; HARTL, M.; SVOBODA, P. Effects of surface topography on lubrication film formation within elastohydrodynamic and mixed lubricated non- conformal contacts. PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART J- JOURNAL OF ENGINEERING TRIBOLOGY, 2009, vol. 223, no. 6, p. 1-9. ISSN: 1350- 6501.
    Detail

    ČUDEK, V.; KŘUPKA, I.; HARTL, M. Užití spektroskopické reflektometrie při studiu elastohydrodynamického mazání. Jemná mechanika a optika, 2009, vol. 54, no. 7- 8, p. 229-230. ISSN: 0447- 6441.
    Detail

    KŘUPKA, I.; HARTL, M.; VRBKA, M.; VAVERKA, M.; SVOBODA, P.; ŠAMÁNEK, O. The Effect of Surface Texturing on Lubricant Film Thickness and Contact Pressure within Non- Conformal Surfaces. In Ecotrib 2009 - 2nd European Conference on Tribology. 1. Pisa, Italy: Engineering Faculty, University of Pisa, 2009. p. 115-120. ISBN: 978-88-467-2426- 7.
    Detail

  • 2008

    KŘUPKA, I.; HARTL, M.; BAIR, S.; KUMAR, P.; KHONSARI, M.M. An Experimental Validation of the Recently Discovered Scale Effect in Generalized Newtonian EHL. Tribology Letters, 2008, vol. 33, no. X, p. 1-9. ISSN: 1023- 8883.
    Detail

    KŘUPKA, I.; HARTL, M.; POLIŠČUK, R. Behavior of thin viscous boundary films in lubricated contacts between micro- textured surfaces. Tribology International, 2008, vol. 42, no. X, p. 1-7. ISSN: 0301- 679X.
    Detail

    KŘUPKA, I.; HARTL, M.; SVOBODA, P. Effects of Roughness Features on Lubrication Film Formation within Mixed Lubricated Contacts. In 2nd International Conference on advanced Tribology 2008. 1. Singapore: Research Publishing Services, 2008. p. 482-483. ISBN: 978-981-08-2067- 1.
    Detail

    KOUTNÝ, D.; KŘUPKA, I.; HARTL, M. Behavior of lubrication films contaminated by water. In Advances in Automotive Engineering Volume I. 1. Brno: Tribun EU, 2008. p. 186-194. ISBN: 978-80-7399-496- 9.
    Detail

    KŘUPKA, I.; HARTL, M.; KOUTNÝ, D. Behavior of real roughness features within mixed lubricated non- conformal contacts. Tribology International, 2008, vol. 41, no. 12, p. 1153-1160. ISSN: 0301- 679X.
    Detail

    KŘUPKA, I.; HARTL, M.; VRBKA, M. Effect of surface texturing on mixed lubricated non- conformal contacts. Tribology International, 2008, vol. 41, no. 11, p. 1063-1073. ISSN: 0301- 679X.
    Detail

    VAVERKA, M.; VRBKA, M.; POLIŠČUK, R.; KŘUPKA, I.; HARTL, M. Numerical evaluation of pressure from experimentally measured film thickness in EHL point contact. Lubrication Science, 2008, vol. 20, no. 1, p. 47-59. ISSN: 0954- 0075.
    Detail

    LIU, Y.; WANG, G.J.; KŘUPKA, I.; HARTL, M.; BAIR, S. The Shear-Thinning Elastohydrodynamic Film Thickness of a Two- Component Mixture. ASME Transaction, Journal of Tribology, 2008, vol. 130, no. 2, p. 021502- 1 (021502-7 p.)ISSN: 0742- 4787.
    Detail

  • 2007

    KŘUPKA, I.; HARTL, M. Effect of surface texturing on thin film EHD lubricated contact. In Proceedings of the 2008 STLE Annual Meeting. USA: STLE, 2007. p. 1-3.
    Detail

    KŘUPKA, I.; HARTL, M.; URBANEC, L.; ČERMÁK, J. Single dent within EHD contact - comparison between experimental and numerical results. PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART J- JOURNAL OF ENGINEERING TRIBOLOGY, 2007, vol. 221, no. J6, p. 635-644. ISSN: 1350- 6501.
    Detail

    KOLMAN, M.; KŘUPKA, I. Experimentální zařízení pro studium mazacích filmů. In Konference diplomových prací 2007. 1. Ústav konstruování, fakulta strojního inženýrství, VUT v Brně: Ústav konstruování, 2007. p. 1-3. ISBN: 978-80-214-3406- 6.
    Detail

    KŘUPKA, I.; HARTL, M.; POLIŠČUK, R. The Effect of Boundary Films on Dented Surfaces Operated under Thin EHD Lubrication. In Ecotrib 2007. 1. Ljubljana: Slovenian society for tribology, 2007. p. 745-754. ISBN: 978-961-90254-8- 2.
    Detail

    KŘUPKA, I.; HARTL, M. Effect of Surface Texturing on Concentrated Contacts. In Proceedings of the International Conferecne on Mechanical Engineering and Mechanics 2007. NJ USA: Science Press USA, 2007. p. 1035-1038. ISBN: 1-933100-21- 4.
    Detail

    POLIŠČUK, R.; VAVERKA, M.; VRBKA, M.; KŘUPKA, I.; HARTL, M. Optimized Mapping of Pressure in Lubricated Point Contacts Based on Measured Film Thickness. In Proceedings of the 2007 International Mechanical Engineering Congress & Exposition. Seattle: ASME, 2007. p. DVD ( p.)ISBN: 0-7918-3812- 9.
    Detail

    KŘUPKA, I.; HARTL, M. Thin- Film Lubrication of Dented Surfaces. TRIBOLOGY TRANSACTIONS, 2007, vol. 50, no. 4, p. 488-496. ISSN: 1040- 2004.
    Detail

    VRBKA, M.; VAVERKA, M.; POLIŠČUK, R.; KŘUPKA, I.; HARTL, M. Pressure Calculation from Experimentally Evaluated Lubricant Thickness within EHL Contacts. In Proceedings of the ASME/ STLE International Joint Tribology Conference 2007. STLE/ ASME. San Diego, California, USA: ASME/ STLE, 2007. p. 1-3. ISBN: 978-0-7918-4810- 4.
    Detail

    KŘUPKA, I.; HARTL, M. Effect of surface texturing on lubricated contact behaviour. In Sborník 10. mezinárodní konference Tribotechnika v teorii a praxi. Praha: Česká strojnická společnost, 2007. p. 61-65. ISBN: 978-80-02-01963- 3.
    Detail

    HARTL, M.; KŘUPKA, I. Effect of boundary films on lubricated contact behaviour. In Sborník 10. mezinárodní konference Tribotechnika v teorii a praxi. Praha: Česká strojnická společnost, 2007. p. 123-127. ISBN: 978-80-02-01963- 3.
    Detail

    KŘUPKA, I.; HARTL, M. The effect of surface texturing on thin EHD lubrication films. Tribology International, 2007, vol. 40, no. 7, p. 1100-1110. ISSN: 0301- 679X.
    Detail

    KŘUPKA, I.; HARTL, M. The influence of Thin Boundary Films on Real Surface Roughness in Thin Film, Mixed EHD Contact. Tribology International, 2007, vol. 40, no. 11, p. 1553-1560. ISSN: 0301- 679X.
    Detail

    KŘUPKA, I.; HARTL, M. The Effect of Surface Texturing on Thin EHD Lubrication Films. In Ecotrib 2007. 1. Ljubljana: Slovenian society for tribology, 2007. p. 733-745. ISBN: 978-961-90254-8- 2.
    Detail

    KŘUPKA, I.; HARTL, M. Experimental Study of Microtextured Surfaces Operating Under Thin- Film EHD Lubrication Conditions. ASME Transaction, Journal of Tribology, 2007, vol. 129, no. 3, p. 502-508. ISSN: 0742- 4787.
    Detail

    KŘUPKA, I.; HARTL, M. Effect of thin viscous boundary films on real surface roughness under thin film lubrication conditions. In Proceedings of the 2008 STLE Annual Meeting. USA: STLE, 2007. p. 1-3.
    Detail

  • 2006

    KŘUPKA, I.; HARTL, M. EHL film thickness behaviour under high pressure - comparison between numerical and experimental results. In Proceedings of the IUTAM Symposium on Elastohydrodynamics and Microelastohydrodynamics. Cardiff: Springer, 2006. p. 217-228. ISBN: 1-4020-4532- 8.
    Detail

    ŠVEHLÁK, M.; KŘUPKA, I.; HARTL, M. Influence of surface topography on lubricated contacts behaviour. In Engineering mechanics 2006 - book of extended abstracts. Svratka: Institute of Theoretical and Applied Mechanics, 2006. p. 372-373. ISBN: 80-86246-27- 2.
    Detail

    POLIŠČUK, R.; VAVERKA, M.; VRBKA, M.; KŘUPKA, I.; HARTL, M. Pressure Distribution Within EHD Point Contacts Based on Measured Film Thickness. In Proceedings of 2006 ASME International Mechanical Engineering Congress and Exposition IMECE2006. Chicago, Illinois USA: Pinehurst Technologies, Inc., 2006. p. DVD ( p.)ISBN: 0-7918-3790- 4.
    Detail

    KŘUPKA, I.; HARTL, M. Experimental study of surface texturing effects on Thin Film EHd contacts. In Proceedings of ASIATRIB 2006. Kanazawa: Japanese society of Tribologists, 2006. p. 679-680. ISBN: 4-9900139-8- 0.
    Detail

    KŘUPKA, I.; HARTL, M.; URBANEC, L.; ČERMÁK, J. Single dent behaviour within EHD lubricated contacts - comparison between experimental and numerical results. In Proceedings of ASIATRIB 2006. Tokyo: Japanese Society of Tribologists, 2006. p. 193-194. ISBN: 4-9900139-8- 0.
    Detail

    KŘUPKA, I.; HARTL, M.; LIŠKA, M. Experimental study of the behaviour of real asperities within lubricated contacts. Lubrication Science, 2006, vol. 18, no. 2, p. 129-139. ISSN: 0954- 0075.
    Detail

    KŘUPKA, I.; HARTL, M. Thin lubricating films behaviour at very high contact pressure. Tribology International, 2006, vol. 39, no. 12, p. 1726-1731. ISSN: 0301- 679X.
    Detail

    LIU, Y.; WANG, Q.J.;WANG, W.; HU, Y.,; ZHU, D.; KŘUPKA, I.; HARTL, M. EHL simulation using the free- volume viscosity model. Tribology Letters, 2006, vol. 23, no. 1, p. 27-37. ISSN: 1023- 8883.
    Detail

    VRBKA, M.; VAVERKA, M.; POLIŠČUK, R.; KŘUPKA, I.; HARTL, M.; URBANEC, L. Evaluation of pressure from film thickness within EHL contact with dented surfaces. In AITC- AIT 2006 5th International Conference of Tribology. Parma, Itálie: 2006. p. 1-11. ISBN: 88-902333-0- 3.
    Detail

    VAVERKA, M.; VRBKA, M.; KŘUPKA, I.; HARTL, M. Influence of Dents on Friction Surfaces on Thin Lubrication Films. In 15th International Colloquium Tribology - Automotive and Industrial Lubrication. Esslingen, Ostfildern: Technische Akademie Esslingen, Ostfildern, 2006. p. 1-5. ISBN: 3-924813-62- 0.
    Detail

    VRBKA, M.; VAVERKA, M.; POLIŠČUK, R.; KŘUPKA, I.; HARTL, M. Vliv mazivostních přísad na tloušťku mazacího filmu v EHD kontaktu. In Mazání v moderním průmyslovém podniku. 1. Praha: Česká strojnická společnost, 2006. p. 90-95. ISBN: 80-02-01808- 7.
    Detail

  • 2005

    Molimard J., Querry M., Vergne P., Krupka I., Hartl M. Calculation of pressure distribution in EHD point contacts from experimentally determinated film thickness. Tribology International, 2005, vol. 38, no. 4, p. 391-401. ISSN: 0301- 679X.
    Detail

    KŘUPKA, I. The influence of slide-to- roll ratio on lubricant film thickness distribution in the vicinity of real roughness features passing through EHD point contact. In 31st Leeds- Lyon Symposium on Tribology. 2005. p. 57 ( p.)ISBN: 0-444-51687- 5.
    Detail

    HARTL, M. Numerical Solution of EHL Point Contact with Single Real Dent and Comparison with Experimental Measurement. In Book of Synopses ITC. Tokyo: 2005. p. 343 ( p.)ISBN: 4-9900139-7- 2.
    Detail

    KŘUPKA, I., HARTL, M. Behaviour of Roughness Features Passing Through EHD Point Contact. In COST 532 Conference. Porto: 2005. p. 45 ( p.)ISBN: 972-8953-01- 1.
    Detail

    KŘUPKA, I., HARTL, M., LIŠKA, M. Experimental Study of Real Roughness Features within EHD Point Contacts. In Proceedings of the 3rd World Tribology Congress. Washington, USA: ASME, 2005. p. 1 ( p.)
    Detail

    KŘUPKA, I., HARTL, M., LIŠKA, M. Influence of Contact Pressure on Central and Minimum Film Thickness Within Ultrathin Film Lubricated Contacts. ASME Transaction, Journal of Tribology, 2005, vol. 127, no. 4, p. 890 ( p.)ISSN: 0742- 4787.
    Detail

  • 2004

    LIU, Y., WANG, Q. J., WANG, W., HU, Y., ZHU, D., KŘUPKA, I., HARTL, M. EHL simulation using the free- volume viscosity model. Tribology Letters, 2004, vol. 23, no. 1, p. 27-37. ISSN: 1023- 8883.
    Detail

    HARTL, M., FUIS, V., LIŠKA, M. Experimental study of lubricant film thickness behavior in the vicinity of real asperities passing through lubricated contact. Tribology Transactions, 2004, vol. 47, no. 3, p. 376 ( p.)ISSN: 0569- 8197.
    Detail

    KŘUPKA, I., HARTL, M., LIŠKA, M. Experimental Study of Real Asperities Behaviour within Lubricated Contacts. In Tribology and Lubrication Engineering. Esslingen: Technische Akademie Esslingen, 2004. p. 1681 ( p.)ISBN: 3-924813-54- X.
    Detail

  • 2003

    KŘUPKA, I., HARTL, M., LIŠKA, M. Some insights into lubricant film thickness in mixed EHD point contact. In Tribology research and design for engineering systems. Tribology series 41. Amsterdam: Elsevier, 2003. p. 549-558. ISBN: 0-444-51243- 8.
    Detail

  • 2002

    HARTL, M., KŘUPKA, I., LIŠKA, M. In- situ Observation of Lubricant Film Thickness Distribution in Mixed EHD Point Contacts. In Proceedings of The Second Asia International Conference on Tribology. Jeju Island, Korea: KSTLE, 2002. p. 79 ( p.)
    Detail

    KŘUPKA, I., HARTL, M., LIŠKA, M. The Experimental Study of the Influence of Ellipticity on EHD Minimum Film Thickness. In Lubricants, Materials, and Lubrication Engineering. Ostfildern: Technische Akademie Esslingen, 2002. p. 2037 ( p.)ISBN: 3-924813-48- 5.
    Detail

    HARTL, M., KŘUPKA, I., LIŠKA, M. Experimental Study of Boundary Layers Formation in Concentrated Contacts. In Boundary and Mixed Lubrication: Science and Application. Amsterodam: Elsevier, 2002. p. 413 ( p.)ISBN: 0-444-50969- 0.
    Detail

    HARTL, M., KŘUPKA, I., LIŠKA, M. Differential Colorimetry: A tool for the analysis of fluid film lubrication. Mécanique & Industries, 2002, vol. 3, no. 6, p. 571 ( p.)ISSN: 1296- 2139.
    Detail

  • 2001

    KŘUPKA, I., HARTL, M., LIŠKA, M. Experimental Study of Central and Minimum Film Thickness in Elastohydrodynamic Elliptic Contacs. In Tribology Research: From Model Experiment to Industrial Problem. Amsterdam: Elsevier, 2001. p. 495 ( p.)ISBN: 444-50581- 4.
    Detail

    HARTL, M., LIŠKA, M. Thin film colorimetric interferometry. Tribology Transactions, 2001, vol. 44, no. 2, p. 270 ( p.)ISSN: 0569- 8197.
    Detail

  • 2000

    KŘUPKA, I., LIŠKA, M., POLIŠČUK, R., HARTL, M. An Experimental Study of Elastohydrodynamic Central and Minimum Film Thickness for Various Material Parameters. Lubrication Science, 2000, vol. 12, no. 5, p. 239 ( p.)ISSN: 0954- 0075.
    Detail

  • 1900

    HARTL, M., KŘUPKA, I. VYTVORENI 3- D OBRAZU ELASTOHYDRODYNAMICKEHO MAZACIHO FILMU NUMERICKYM ZPRACOVAN. 1900, vol. 39, no. 11/ 12, p. 304 ( p.)
    Detail

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