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A general kinematic model for lubricated ball bearings based on the minimum energy hypothesis.pdf (4.826Mb)
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Izenburua
A general kinematic model for lubricated ball bearings based on the minimum energy hypothesis
Egilea
Alberdi Quevedo, Pello
Arana, Aitor
Oyanguren , Aitor
Larrañaga Amilibia, Jon
Ulacia, Ibai
Ikerketa taldea
Diseño y mecánica estructural
Bertsioa
Postprinta
Eskubideak
© 2024 Elsevier
Sarbidea
Sarbide bahitua
URI
https://hdl.handle.net/20.500.11984/6426
Argitaratzailearen bertsioa
https://doi.org/10.1016/j.triboint.2024.109698
Non argitaratua
Tribology International  Vol. 196. N. art. 109698. August, 2024
Argitaratzailea
Elsevier
Gako-hitzak
ball bearing
kinematics
power loss
elastohydrodynamic lubrication ... [+]
ball bearing
kinematics
power loss
elastohydrodynamic lubrication
ODS 9 Industria, innovación e infraestructura
ODS 12 Producción y consumo responsables [-]
Laburpena
Accurately predicting the performance of lubricated rolling elements is critical for certain key bearing applications. A widely employed simulation technique is quasi-static models, which although com ... [+]
Accurately predicting the performance of lubricated rolling elements is critical for certain key bearing applications. A widely employed simulation technique is quasi-static models, which although computationally efficient to implement, lack accuracy in predicting the kinematics of bearing components. This problem arises from their construction under kinematic assumptions, instead of solving the kinematic based on real frictional interactions. This paper presents a quasi-static model based on the minimum energy hypothesis for lubricated contacts, which determines the kinematic of the ball considering the effects of the frictional interactions governed by the elastohydrodynamic lubrication mechanism. The influence of kinematic variables on the sliding patterns and power loss distribution of the contact are analysed. The results are compared with other published quasi-static models, revealing substantial differences. The influence of the kinematic hypotheses on power losses are also studied at a bearing component scale. Finally, the effect of the governing lubrication mechanism of the contact is discussed, concluding that the limiting shear stress of the lubricant and the centrifugal forces have a significant effect on the kinematic of the ball. [-]
Finantzatzailea
Gobierno Vasco
Gobierno Vasco
Gobierno Vasco
Programa
Proyectos Universidad-Empresa
Elkartek 2021
Hazitek 2023
Zenbakia
PUE_2020_1_0011
KK-2021/00089
ZL-2022/00996; ZL-2023/00617
Laguntzaren URIa
Sin información
Sin información
Sin información
Proiektua
Caracterización escalable de las condiciones de rodadura, lubricación y par de fricción en husillos a bolas (SCALEROLL)
Bio-Inspired SUrfaces for Machine Elements (BISUM)
Nuevo husillo a bolas con precarga variable controlada para máquinas herramienta inteligentes de fabricación avanzada (PREVARHU)
Bildumak
  • Artikuluak - Ingeniaritza [735]

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