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- Title
An Investigation into the Optimal Dimple Geometry in a Single-Dimple Sliding Contact
- Authors
Scharf, Raphael; Pusterhofer, Michael; Gussmagg, Jakob; Grün, Florian
- Abstract
This study analyzes the influence of nine distinct texture geometries on a convergent oil film gap using a simulation model. The geometrical dimensions of the textures are characterized by the texture area density, Stex.,A and the ratio of the textured-to-untextured area (Atex./A0). The results show that different texture geometries optimize the tribological performance depending on the value of Stex.,A. Rectangular textures with variable widths (85% of the texture length atex.) significantly enhance lifting and the drag force across a broad range of Stex.,A. Furthermore, rectangular textures with a constant width (85% of the global width b0) show the best improvement within this study. The investigation also reveals that a small texture pitch angle, αtex, further enhances tribological performance.
- Publication
Machines, 2024, Vol 12, Issue 9, p622
- ISSN
2075-1702
- DOI
10.3390/machines12090622