Amplitude Reduction of Non-Isotropic Harmonic Patterns in Circular EHL Contacts, under Pure Rolling


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Venner, C.H. and Lubrecht, A.A. (1999) Amplitude Reduction of Non-Isotropic Harmonic Patterns in Circular EHL Contacts, under Pure Rolling. In: Lubrication at the Frontier - The Role of the Interface and Surface Layers in the Thin Film and Boundary Regime. Tribology Series, 36 . Elsevier, pp. 151-162. ISBN 9780444502674

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Abstract:Surface roughness plays an important role in ElastoHydrodynamically Lubricated contacts, a role which is currently only partially understood. Recent work on waviness in EHL line contacts has shown and quantified the elastic deformation of the waviness inside the contact as a function of a single dimensionless parameter. In the present paper this work is extended to the circular contact problem. First it is shown that the amplitude reduction of an isotropic harmonic pattern can also be described as a function of a single dimensionless parameter. Subsequently, the effects of anisotropy are investigated varying from purely transverse to purely longitudinal. It is shown that one can create a single curve for the case varying from isotropic to longitudinal, and another for the case varying from isotropic to transverse. Both curves can be combined in a single formula.
Item Type:Book Section
Copyright:© 1999 Elsevier
Faculty:
Engineering Technology (CTW)
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Link to this item:http://purl.utwente.nl/publications/73966
Official URL:http://dx.doi.org/10.1016/S0167-8922(99)80037-6
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