Publication detail

Study of elastohydrodynamic film shape under different directions of velocity vectors

OMASTA, M. KŘUPKA, I. HARTL, M.

Czech title

Studium elastohydrodynamického mazacího filmu za podmínek různé orientace vektorů ryclostí

English title

Study of elastohydrodynamic film shape under different directions of velocity vectors

Type

conference paper

Language

en

Original abstract

Some machines elements such as hypoid gears and Wildhaber-Novikov gears works under conditions where the surface velocities are variously oriented, thus the entrainment and sliding velocities act at different directions. The influence of sliding velocity vector direction with respect to entrainment velocity vector has not been sufficiently determined yet. So, the aim of current experimental study is to investigate effect of slide-to-roll ratio and direction of sliding velocity vector with respect to entrainment velocity vector on elastohydrodynamic (EHD) film thickness using thin-film colorimetric interferometry in smooth glass-steel point contact.

Czech abstract

Některé strojní součásti, jako například hypoidní nebo Wildhabero-Novikovovo soukolí, pracují za podmínek, kdy jsou vektory rychlostí povrchů různě orientovány, takže unášivá a skluzová rychlost má také různou orientaci. Vliv orientace skluzové rychlosti vůči unášivé rychlosti nebyl doposud dostatečně popsán a objasněn. Tato experimentální práce má za cíl stanovit vliv poměru skluzu a valení a směru skluzové rychlosti vči unášivé rychlosti na tloušťku elastohydrodynamického mazacího filmu, s využitím kolorimetrické interferometrie pro studium velmi tenkých mazacích filmů, u hladkého bodového kontaktu skleněného a ocelového povrchu.

English abstract

Some machines elements such as hypoid gears and Wildhaber-Novikov gears works under conditions where the surface velocities are variously oriented, thus the entrainment and sliding velocities act at different directions. The influence of sliding velocity vector direction with respect to entrainment velocity vector has not been sufficiently determined yet. So, the aim of current experimental study is to investigate effect of slide-to-roll ratio and direction of sliding velocity vector with respect to entrainment velocity vector on elastohydrodynamic (EHD) film thickness using thin-film colorimetric interferometry in smooth glass-steel point contact.

Keywords in Czech

elastohydrodynamické mazání, tloušťka filmu, vektor rychlosti

Keywords in English

elastohydrodynamic lubrication, Film thickness, velocity vector

RIV year

2011

Released

24.10.2011

Publisher

ASME/STLE

Location

Los Angeles, CA, USA

ISBN

978-0-7918-5474-7

Book

ASME/STLE 2011 International Joint Tribology Conference

Edition number

1

Pages from–to

1–3

Pages count

3

BIBTEX


@inproceedings{BUT89031,
  author="Milan {Omasta} and Ivan {Křupka} and Martin {Hartl},
  title="Study of elastohydrodynamic film shape under different directions of velocity vectors",
  booktitle="ASME/STLE 2011 International Joint Tribology Conference",
  year="2011",
  month="October",
  pages="1--3",
  publisher="ASME/STLE",
  address="Los Angeles, CA, USA",
  isbn="978-0-7918-5474-7"
}