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  • 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.
  • 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. (en)
  • 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. (cs)
Title
  • Thin lubricating films behaviour at very high contact pressure
  • Thin lubricating films behaviour at very high contact pressure (en)
  • Chování velmi tenkých mazacích filmů za velkých kontakních tlaků (cs)
skos:prefLabel
  • Thin lubricating films behaviour at very high contact pressure
  • Thin lubricating films behaviour at very high contact pressure (en)
  • Chování velmi tenkých mazacích filmů za velkých kontakních tlaků (cs)
skos:notation
  • RIV/00216305:26210/06:PU62455!RIV06-MSM-26210___
http://linked.open.../vavai/riv/strany
  • 1726-1731
http://linked.open...avai/riv/aktivita
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  • Z(MSM0021630508)
http://linked.open...iv/cisloPeriodika
  • 12
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  • 503822
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  • RIV/00216305:26210/06:PU62455
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  • lubrication; film thickness (en)
http://linked.open.../riv/klicoveSlovo
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  • NL - Nizozemsko
http://linked.open...ontrolniKodProRIV
  • [1C953633A4F4]
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  • Tribology International
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  • 39
http://linked.open...iv/tvurceVysledku
  • Hartl, Martin
  • Křupka, Ivan
http://linked.open...n/vavai/riv/zamer
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  • 0301-679X
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http://localhost/t...ganizacniJednotka
  • 26210
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