Journal
TRIBOLOGY INTERNATIONAL
Volume 118, Issue -, Pages 246-255Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.triboint.2017.09.026
Keywords
Surface texture; Transient condition; Fluid-structure interaction (FSI); Eccentricity ratio; Journal bearing
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Funding
- China Postdoctoral Science Foundation [2015M580853]
- Postdoctoral Science Foundation of Shaanxi Province [2016BSHYDZZ21]
- National Natural Science Foundation of China [51605371]
- Fundamental Research Funds for the Central Universities [xjj2016013]
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The influence of surface texture on the performance of the journal bearing operating under the transient condition is investigated by a fluid-structure interaction (FSI) approach. The key parameter of the current work is the displacement of the journal as well as the eccentricity ratio which better represents the actual operation of a journal bearing than the traditional approaches that rely on the steady state assumption. The results indicate that depending on its position in the circumferential direction, a surface texture may either enhance or impair the performance of a journal bearing in terms of the generation of the load-carrying capacity.
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