Theoretical models of hydrodynamic thrust bearings do not usually consider thermoelastic deformations of the collar, while pad deformations are usually taken into account. In many cases the results of theoretical analysis differ much from experimental data despite of variety of effects being included in the TEHD models. In the authors’ research an attempt of including runner thermoelastic deformation in a bearing model was taken up. The results of calculations of a water turbine thrust bearing were compared for three cases — no runner deformation, elastic runner deformation and thermoelastic deformation. Including runner thermoelastic deformations resulted in improved agreement between theoretical results and available experimental data. However a detailed knowledge on runner design and boundary conditions is necessary for realistic evaluation of deformations, which is to a great extent individual design dependent and difficult to generalize.
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ASME/STLE 2007 International Joint Tribology Conference
October 22–24, 2007
San Diego, California, USA
Conference Sponsors:
- Tribology Division
ISBN:
0-7918-4810-8
PROCEEDINGS PAPER
Influence of Collar Deformations on Hydrodynamic Thrust Bearing Performance Available to Purchase
Wasilczuk Michal,
Wasilczuk Michal
Gdansk University of Technology, Gdansk, Poland
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Wodtke Michal
Wodtke Michal
Gdansk University of Technology, Gdansk, Poland
Search for other works by this author on:
Wasilczuk Michal
Gdansk University of Technology, Gdansk, Poland
Wodtke Michal
Gdansk University of Technology, Gdansk, Poland
Paper No:
IJTC2007-44283, pp. 289-291; 3 pages
Published Online:
March 23, 2009
Citation
Michal, W, & Michal, W. "Influence of Collar Deformations on Hydrodynamic Thrust Bearing Performance." Proceedings of the ASME/STLE 2007 International Joint Tribology Conference. ASME/STLE 2007 International Joint Tribology Conference, Parts A and B. San Diego, California, USA. October 22–24, 2007. pp. 289-291. ASME. https://doi.org/10.1115/IJTC2007-44283
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