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Thin lubricating films behaviour at very high contact pressure

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26210%2F06%3APU62455" target="_blank" >RIV/00216305:26210/06:PU62455 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Thin lubricating films behaviour at very high contact pressure

  • Original language description

    Thin film colorimetric interferometry has been used to examine the behaviour of thin elastohydrodynamic (EHD) lubricant films under very high contact pressures of the order of 0.5 to 3 GPa. It has been shown that at moderate pressures, the variation of film thickness with speed follows the Hamrock and Dowson prediction down to one nanometer. As the load is increased, however, thin films behave differently from the prediction of the conventional EHD theory. For a certain lubricant and operational conditiions, there is a critical rolling speed below which a reduction of film thickness is observed. This behaviour is very similar to that previously predicted computationally by Zhu.

  • Czech name

    Chování velmi tenkých mazacích filmů za velkých kontakních tlaků

  • Czech description

    Kolorimetrická interferometrie byla použita k měření cetrální tloušťky mazacího filmu za velkých kontakních tlaků. Získané výsledky potvrzují predikci chování numerického řešení, kterou publikoval Zhu Dong.

Classification

  • Type

    J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    JR - Other machinery industry

  • OECD FORD branch

Result continuities

  • Project

  • Continuities

    Z - Vyzkumny zamer (s odkazem do CEZ)

Others

  • Publication year

    2006

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Tribology International

  • ISSN

    0301-679X

  • e-ISSN

  • Volume of the periodical

    39

  • Issue of the periodical within the volume

    12

  • Country of publishing house

    NL - THE KINGDOM OF THE NETHERLANDS

  • Number of pages

    6

  • Pages from-to

    1726-1731

  • UT code for WoS article

  • EID of the result in the Scopus database