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Article

Investigation of the Tribological Performance of Heterogeneous Slip/No-Slip Journal Bearing Considering Thermo-Hydrodynamic Effects

1
Laboratory for Engineering Design and Tribology, Department of Mechanical Engineering, Faculty of Engineering, Diponegoro University, Jl. Prof. Soedharto SH, Tembalang, Semarang 50275, Indonesia
2
Institute for Factory Automation and Production Systems (FAPS), Friedrich-Alexander-Universität Erlangen-Nürnberg, Egerlandstr. 7–9, 91058 Erlangen, Germany
3
Faculty of Integrated Technologies, Universiti Brunei Darussalam, Bandar Seri Begawan BE1410, Brunei
*
Author to whom correspondence should be addressed.
Fluids 2021, 6(2), 48; https://doi.org/10.3390/fluids6020048
Received: 14 December 2020 / Revised: 8 January 2021 / Accepted: 14 January 2021 / Published: 21 January 2021
(This article belongs to the Special Issue Scientific Computing in Fluids)
The slip boundary has an important influence on hydrodynamic journal bearing. However, less attention has been paid to the positive effect of slip on thermal behaviour. In this study, a computational fluid dynamics (CFD) analysis investigating the thermo-hydrodynamic (THD) characteristics of heterogeneous slip/no-slip bearings running under steady, incompressible, and turbulent conditions is presented. A comprehensive analysis is made to investigate the THD behaviours of heterogeneous slip/no-slip bearings in terms of lubricant pressure, temperature distribution, volume fraction of vapor, and load-carrying capacity when they are running under different shaft rotational speeds. The multiphase cavitation model is adopted to represent the real operational condition of the journal bearing. Numerical results show that the load-carrying capacity of the heterogeneous slip/no-slip bearing can be significantly increased by up to 100% depending on the rotational speed. It is also observed that there is an optimal journal rotational speed for maximizing the load-carrying capacity. An insightful new finding is revealed in a numerical framework, wherein it is found that by introducing the heterogeneous slip/no-slip pattern, the maximum temperature can be reduced by up to 25% in comparison with a conventional bearing. View Full-Text
Keywords: cavitation; computational fluid dynamics (CFD); journal bearing; slip; thermo-hydrodynamic lubrication cavitation; computational fluid dynamics (CFD); journal bearing; slip; thermo-hydrodynamic lubrication
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MDPI and ACS Style

Tauviqirrahman, M.; Afif, M.F.; Paryanto, P.; Jamari, J.; Caesarendra, W. Investigation of the Tribological Performance of Heterogeneous Slip/No-Slip Journal Bearing Considering Thermo-Hydrodynamic Effects. Fluids 2021, 6, 48. https://doi.org/10.3390/fluids6020048

AMA Style

Tauviqirrahman M, Afif MF, Paryanto P, Jamari J, Caesarendra W. Investigation of the Tribological Performance of Heterogeneous Slip/No-Slip Journal Bearing Considering Thermo-Hydrodynamic Effects. Fluids. 2021; 6(2):48. https://doi.org/10.3390/fluids6020048

Chicago/Turabian Style

Tauviqirrahman, Mohammad, M. Fadhli Afif, P. Paryanto, J. Jamari, and Wahyu Caesarendra. 2021. "Investigation of the Tribological Performance of Heterogeneous Slip/No-Slip Journal Bearing Considering Thermo-Hydrodynamic Effects" Fluids 6, no. 2: 48. https://doi.org/10.3390/fluids6020048

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