Surface texturing as well as boundary slip is an effective approach to increase the tribological performance, friction and load support of lubricated mechanical components. However, in a textured bearing with boundary slip, cavitation, which is generally neglected, is important, and it alters the flow behavior. Therefore, in this paper a novel analytical equation was proposed based on a modified Reynolds equation considering boundary slip and cavitation. The modified Reynolds equation was derived by following the general approach to deduce the Reynolds equation from the Navier-Stokes equation by assuming classical assumptions, except that boundary slip was present. A theoretical investigation was carried out to study the effect of boundary slip including cavitation on the pressure distribution of a pocket bearing. Different slip configurations (full slip, single slip and semi slip) were studied and compared to various pocket depths. The results indicated that the presence of boundary slip both on the leading edge of the contact and the pocket area (i.e. the “semi slip” case) could result in a significant improvement in the hydrodynamic pressure generation; thus, it causes an increased load support. The above improvement depends on the pocket depth of the bearing.
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19 April 2016
THE 3RD INTERNATIONAL CONFERENCE ON ADVANCED MATERIALS SCIENCE AND TECHNOLOGY (ICAMST 2015)
6–7 October 2015
Semarang, Indonesia
Research Article|
April 19 2016
The effect of boundary slip and cavitation on hydrodynamic pressure generation in pocket bearings
Muchammad;
Muchammad
*
1Laboratory for Engineering Design and Tribology, Department of Mechanical Engineering,
University of Diponegoro
, Jl. Prof. Soedharto, SH. Tembalang, Semarang 59275, Indonesia
2Laboratory for Surface Technology and Tribology, Faculty of Engineering Technology,
University of Twente
, Drienerlolaan 5, Postbus 217, 7500 AE Enschede, The Netherlands
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Mohammad Tauviqirrahman;
Mohammad Tauviqirrahman
1Laboratory for Engineering Design and Tribology, Department of Mechanical Engineering,
University of Diponegoro
, Jl. Prof. Soedharto, SH. Tembalang, Semarang 59275, Indonesia
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Ariawan Wahyu Pratomo;
Ariawan Wahyu Pratomo
1Laboratory for Engineering Design and Tribology, Department of Mechanical Engineering,
University of Diponegoro
, Jl. Prof. Soedharto, SH. Tembalang, Semarang 59275, Indonesia
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J. Jamari;
J. Jamari
1Laboratory for Engineering Design and Tribology, Department of Mechanical Engineering,
University of Diponegoro
, Jl. Prof. Soedharto, SH. Tembalang, Semarang 59275, Indonesia
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Dirk J. Schipper
Dirk J. Schipper
2Laboratory for Surface Technology and Tribology, Faculty of Engineering Technology,
University of Twente
, Drienerlolaan 5, Postbus 217, 7500 AE Enschede, The Netherlands
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*
Corresponding author: [email protected]
AIP Conf. Proc. 1725, 020048 (2016)
Citation
Muchammad, Mohammad Tauviqirrahman, Ariawan Wahyu Pratomo, J. Jamari, Dirk J. Schipper; The effect of boundary slip and cavitation on hydrodynamic pressure generation in pocket bearings. AIP Conf. Proc. 19 April 2016; 1725 (1): 020048. https://doi.org/10.1063/1.4945502
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