Non-Newtonian and running-in wear effects in journal bearings operating under mixed lubrication
For the study of mixed lubrication in dynamically loaded journal bearings, this paper employs a combined experimental and simulative approach. Extensive measurements on a journal bearing test rig with a low-viscosity 0W20 multi-grade lubricant with a strong Non-Newtonian behaviour provide the basis...
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| Veröffentlicht in: | Proceedings of the Institution of Mechanical Engineers. Part J, Journal of engineering tribology Journal of engineering tribology, 2016-02, Vol.230 (2), p.135-142 |
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| container_title | Proceedings of the Institution of Mechanical Engineers. Part J, Journal of engineering tribology |
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| creator | Allmaier, H Sander, DE Priebsch, HH Witt, M Füllenbach, T Skiadas, A |
| description | For the study of mixed lubrication in dynamically loaded journal bearings, this paper employs a combined experimental and simulative approach. Extensive measurements on a journal bearing test rig with a low-viscosity 0W20 multi-grade lubricant with a strong Non-Newtonian behaviour provide the basis for the investigation of the lubrication conditions in journal bearings. In this paper, temperature effects and the influence of running-in (breaking-in) wear are investigated. To this task, a high dynamic load is applied to the journal bearing under test. To vary the lubrication conditions, only the journal speed is changed. To investigate the lubrication conditions a detailed and validated simulation approach is utilized that takes into account both the piezoviscous effect and the non-Newtonian behaviour of the investigated lubricant as well is able to describe metal–metal contact. With this combined approach the run-in process of the journal bearing under test can be investigated as well as the role of temperature settling effects. |
| doi_str_mv | 10.1177/1350650115594191 |
| format | Article |
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Extensive measurements on a journal bearing test rig with a low-viscosity 0W20 multi-grade lubricant with a strong Non-Newtonian behaviour provide the basis for the investigation of the lubrication conditions in journal bearings. In this paper, temperature effects and the influence of running-in (breaking-in) wear are investigated. To this task, a high dynamic load is applied to the journal bearing under test. To vary the lubrication conditions, only the journal speed is changed. To investigate the lubrication conditions a detailed and validated simulation approach is utilized that takes into account both the piezoviscous effect and the non-Newtonian behaviour of the investigated lubricant as well is able to describe metal–metal contact. 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Extensive measurements on a journal bearing test rig with a low-viscosity 0W20 multi-grade lubricant with a strong Non-Newtonian behaviour provide the basis for the investigation of the lubrication conditions in journal bearings. In this paper, temperature effects and the influence of running-in (breaking-in) wear are investigated. To this task, a high dynamic load is applied to the journal bearing under test. To vary the lubrication conditions, only the journal speed is changed. To investigate the lubrication conditions a detailed and validated simulation approach is utilized that takes into account both the piezoviscous effect and the non-Newtonian behaviour of the investigated lubricant as well is able to describe metal–metal contact. With this combined approach the run-in process of the journal bearing under test can be investigated as well as the role of temperature settling effects.</abstract><cop>London, England</cop><pub>SAGE Publications</pub><doi>10.1177/1350650115594191</doi><tpages>8</tpages></addata></record> |
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| ispartof | Proceedings of the Institution of Mechanical Engineers. Part J, Journal of engineering tribology, 2016-02, Vol.230 (2), p.135-142 |
| issn | 1350-6501 2041-305X |
| language | eng |
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| source | SAGE Complete |
| subjects | Bearings Journal bearings Lubricants Lubricants & lubrication Lubrication Mechanical engineering Mechanical engineers Simulation Tasks Temperature Tribology Viscosity Wear Wear resistance |
| title | Non-Newtonian and running-in wear effects in journal bearings operating under mixed lubrication |
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