Simulation of gas transportation in radial shaft seal with model surfaces

H. Mizuta, S. Nakaoka, Y. Sato, Joichi Sugimura

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    1 Citation (Scopus)

    Abstract

    This paper describes an analytical study on gas transportation in radial shaft seal. A model is constructed in which seal surfaces with sinusoidal roughness, lubricant flow at the seal lip with gaseous cavity, dissolution of gas into and release of gas from the lubricant across double boundary films at gas-liquid interfaces, and convection of dissolved gas in the lubricant flow are considered. Polyalphaolefin as a lubricant, and helium, argon and carbon dioxide are assumed. The results demonstrate that the axial flow induced by surface roughness carries the gas, and that the gas flow through the lubricant film is proportional to the gas solubility coefficient, and the circumferential speed of the shaft, which agrees with the experimental finding for actual seals. The dependence of the gas flow on the axial flow of the oil and that on the boundary films are discussed.

    Original languageEnglish
    Title of host publicationSTLE/ASME 2010 International Joint Tribology Conference, IJTC2010
    Pages255-257
    Number of pages3
    DOIs
    Publication statusPublished - Dec 1 2010
    EventSTLE/ASME 2010 International Joint Tribology Conference, IJTC2010 - San Francisco, CA, United States
    Duration: Oct 17 2010Oct 20 2010

    Other

    OtherSTLE/ASME 2010 International Joint Tribology Conference, IJTC2010
    CountryUnited States
    CitySan Francisco, CA
    Period10/17/1010/20/10

    All Science Journal Classification (ASJC) codes

    • Mechanical Engineering
    • Materials Science(all)

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