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A quantitative analysis of double-sided surface waviness on TEHL line contacts

Peyman Havaej (UGent) , Joris Degroote (UGent) and Dieter Fauconnier (UGent)
(2023) TRIBOLOGY INTERNATIONAL. 183.
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Abstract
In this paper, the effects of double-sided surface waviness on Thermo-Elastohydrodynamic Lubrication (TEHL) in line contacts are investigated deterministically through numerical simulations. The effects of surface amplitude, wavelength, relative position, and slide-to-roll ratio have been studied. The classic approach, which consists of an equivalent deformable body with superimposed surface waviness, is critically evaluated and compared to results from full two-body simulations. Under the investigated conditions, the equivalent and two-body approaches show about 17%, 21%, and 26% deviations in maximum pressure, temperature, and friction, respectively. It is demonstrated that the fundamental cause of the observed deviations, which results in a phase shift that cannot be described by the equivalent geometry, is the tangential elastic deformation of surface asperities.
Keywords
Mechanical Engineering, lubrication, CFD, FSI, simulation, THERMAL ELASTOHYDRODYNAMIC ANALYSIS, CIRCULAR CONTACTS, HYDRODYNAMIC, LUBRICATION, ELASTIC-DEFORMATION, FLOW FACTORS, ROUGHNESS, EHL, SIMULATION, TRACTION, BEHAVIOR, Thermo-Elastohydrodynamic Lubrication, (TEHL), Computational Fluid, Dynamics (CFD), Surface waviness, Equivalent Geometry

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MLA
Havaej, Peyman, et al. “A Quantitative Analysis of Double-Sided Surface Waviness on TEHL Line Contacts.” TRIBOLOGY INTERNATIONAL, vol. 183, 2023, doi:10.1016/j.triboint.2023.108389.
APA
Havaej, P., Degroote, J., & Fauconnier, D. (2023). A quantitative analysis of double-sided surface waviness on TEHL line contacts. TRIBOLOGY INTERNATIONAL, 183. https://doi.org/10.1016/j.triboint.2023.108389
Chicago author-date
Havaej, Peyman, Joris Degroote, and Dieter Fauconnier. 2023. “A Quantitative Analysis of Double-Sided Surface Waviness on TEHL Line Contacts.” TRIBOLOGY INTERNATIONAL 183. https://doi.org/10.1016/j.triboint.2023.108389.
Chicago author-date (all authors)
Havaej, Peyman, Joris Degroote, and Dieter Fauconnier. 2023. “A Quantitative Analysis of Double-Sided Surface Waviness on TEHL Line Contacts.” TRIBOLOGY INTERNATIONAL 183. doi:10.1016/j.triboint.2023.108389.
Vancouver
1.
Havaej P, Degroote J, Fauconnier D. A quantitative analysis of double-sided surface waviness on TEHL line contacts. TRIBOLOGY INTERNATIONAL. 2023;183.
IEEE
[1]
P. Havaej, J. Degroote, and D. Fauconnier, “A quantitative analysis of double-sided surface waviness on TEHL line contacts,” TRIBOLOGY INTERNATIONAL, vol. 183, 2023.
@article{01GTYG5EKYSFB7GZGFPWSESWZF,
  abstract     = {{In this paper, the effects of double-sided surface waviness on Thermo-Elastohydrodynamic Lubrication (TEHL) in line contacts are investigated deterministically through numerical simulations. The effects of surface amplitude, wavelength, relative position, and slide-to-roll ratio have been studied. The classic approach, which consists of an equivalent deformable body with superimposed surface waviness, is critically evaluated and compared to results from full two-body simulations. Under the investigated conditions, the equivalent and two-body approaches show about 17%, 21%, and 26% deviations in maximum pressure, temperature, and friction, respectively. It is demonstrated that the fundamental cause of the observed deviations, which results in a phase shift that cannot be described by the equivalent geometry, is the tangential elastic deformation of surface asperities.}},
  articleno    = {{108389}},
  author       = {{Havaej, Peyman and Degroote, Joris and Fauconnier, Dieter}},
  issn         = {{0301-679X}},
  journal      = {{TRIBOLOGY INTERNATIONAL}},
  keywords     = {{Mechanical Engineering,lubrication,CFD,FSI,simulation,THERMAL ELASTOHYDRODYNAMIC ANALYSIS,CIRCULAR CONTACTS,HYDRODYNAMIC,LUBRICATION,ELASTIC-DEFORMATION,FLOW FACTORS,ROUGHNESS,EHL,SIMULATION,TRACTION,BEHAVIOR,Thermo-Elastohydrodynamic Lubrication,(TEHL),Computational Fluid,Dynamics (CFD),Surface waviness,Equivalent Geometry}},
  language     = {{eng}},
  pages        = {{19}},
  title        = {{A quantitative analysis of double-sided surface waviness on TEHL line contacts}},
  url          = {{http://doi.org/10.1016/j.triboint.2023.108389}},
  volume       = {{183}},
  year         = {{2023}},
}
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