An Investigation into the Optimal Dimple Geometry in a Single-Dimple Sliding Contact

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An Investigation into the Optimal Dimple Geometry in a Single-Dimple Sliding Contact. / Scharf, Raphael; Pusterhofer, Michael; Gussmagg, Jakob et al.
in: Machines : open access journal , Jahrgang 12.2024, Nr. 9, 622, 05.09.2024.

Publikationen: Beitrag in FachzeitschriftArtikelForschung(peer-reviewed)

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@article{93c48f906eee4fc091e4211b4e9ba89b,
title = "An Investigation into the Optimal Dimple Geometry in a Single-Dimple Sliding Contact",
abstract = "This study analyzes the influence of nine distinct texture geometries on a convergent oilfilm gap using a simulation model. The geometrical dimensions of the textures are characterizedby the texture area density, Stex.,A and the ratio of the textured-to-untextured area (Atex./A0). Theresults show that different texture geometries optimize the tribological performance depending onthe value of Stex.,A. Rectangular textures with variable widths (85% of the texture length atex.) significantlyenhance lifting and the drag force across a broad range of Stex.,A. Furthermore, rectangulartextures with a constant width (85% of the global width b0) show the best improvement withinthis study. The investigation also reveals that a small texture pitch angle, αtex, further enhancestribological performance.",
author = "Raphael Scharf and Michael Pusterhofer and Jakob Gussmagg and Florian Gr{\"u}n",
year = "2024",
month = sep,
day = "5",
doi = "10.3390/machines12090622",
language = "English",
volume = "12.2024",
journal = "Machines : open access journal ",
issn = "2075-1702",
publisher = "Multidisciplinary Digital Publishing Institute (MDPI)",
number = "9",

}

RIS (suitable for import to EndNote) - Download

TY - JOUR

T1 - An Investigation into the Optimal Dimple Geometry in a Single-Dimple Sliding Contact

AU - Scharf, Raphael

AU - Pusterhofer, Michael

AU - Gussmagg, Jakob

AU - Grün, Florian

PY - 2024/9/5

Y1 - 2024/9/5

N2 - This study analyzes the influence of nine distinct texture geometries on a convergent oilfilm gap using a simulation model. The geometrical dimensions of the textures are characterizedby the texture area density, Stex.,A and the ratio of the textured-to-untextured area (Atex./A0). Theresults show that different texture geometries optimize the tribological performance depending onthe value of Stex.,A. Rectangular textures with variable widths (85% of the texture length atex.) significantlyenhance lifting and the drag force across a broad range of Stex.,A. Furthermore, rectangulartextures with a constant width (85% of the global width b0) show the best improvement withinthis study. The investigation also reveals that a small texture pitch angle, αtex, further enhancestribological performance.

AB - This study analyzes the influence of nine distinct texture geometries on a convergent oilfilm gap using a simulation model. The geometrical dimensions of the textures are characterizedby the texture area density, Stex.,A and the ratio of the textured-to-untextured area (Atex./A0). Theresults show that different texture geometries optimize the tribological performance depending onthe value of Stex.,A. Rectangular textures with variable widths (85% of the texture length atex.) significantlyenhance lifting and the drag force across a broad range of Stex.,A. Furthermore, rectangulartextures with a constant width (85% of the global width b0) show the best improvement withinthis study. The investigation also reveals that a small texture pitch angle, αtex, further enhancestribological performance.

U2 - 10.3390/machines12090622

DO - 10.3390/machines12090622

M3 - Article

VL - 12.2024

JO - Machines : open access journal

JF - Machines : open access journal

SN - 2075-1702

IS - 9

M1 - 622

ER -