Riassunto
This volume contains the proceedings of the IUTAM Symposium on Elastohydrodynamics and Microelastohydrodynamics held in Cardiff from 1-3 September 2004. It contains 31 articles by leading researchers in the field. The symposium focused on theoretical, experimental and computational issues in elastohydrodynamic lubrication (EHL) both in relation to smooth surfaces and in situations where the film is of the same order or thinner than the surface roughness (micro-EHL). The last IUTAM Symposium in this general area of contact of deformable bodies was in 1974. The emphasis in the Symposium was upon fundamental issues such as: solution methods; lubricant rheological models, thermal effects; both low and high elastic modulus situations; human and replacement joints; fluid traction; dynamic effects, asperity lubrication and the failure of lubrication; surface fatigue and thermal distress under EHL conditions.
The book will be useful to those active in basic elastohydrodynamics research who wish to gain an up-to-date understanding of the subject from leading experts in the field.
Contenuti
Preface; Reflections on early studies of elasto-hydrodynamic lubrication, by D. Dowson and G. R. Higginson; Rheological challenges and opportunities for EHL, by Scott Bair and Peter Gordon; Adjoint error estimation and spatial adaptivity for EHL-like models, by D. Hart, C.E. Goodyer, M. Berzins, P.K. Jimack, and L.E. Scales; Surface roughness attenuation in EHL line and point contacts under conditions of starved lubrication, by C.H. Venner and C.J. Hooke; Unsteady EHL: 'nodal' & 'modal' formulations, by J.F. Booker and S. Boedo; The influence of spinning on the performance of EHL in elliptical contacts, by P. Yang and J. Cui; Review and prospects for the development of EHL of finite line contacts, by X. Chen, H. Sun and X. Shen; Thermal EHL analysis of cylindrical roller under heavy load, by H. Sun and X. Chen; Effect of elastic deformation of the journal bearing shell on its dynamic stability, by E. Saber and H.A. El-Gamal; A possible molecular dynamic structure contribution to elastohydrodynamic lubrication, by M. Fox; Modelling of lubricant degradation and elastohydrodynamic lubrication, by I.I. Kudish, R.G. Airapetyan and M.J. Covitch; The effect of viscoelasticity on the performance of dynamically loaded journal bearings, by D.Rh. Gwynllyw and T.N. Phillips; Behaviour of transverse ridges passing through a circular EHL conjunction, by M. Kaneta, H. Nishikawa and K. Matsuda; Experimental investigation on the pressure distribution for pure sliding EHL contacts with dented surfaces, by P. Vergne and F. Ville; EHL film thickness behaviour under high pressure – comparison between numerical and experimental results, by M. Hartl, I. Krupka and D. Zhu; Correlation between model test devices and full bearing tests under grease lubricated conditions, by H. Baly, G. Poll, P.M. Cann and A.A. Lubrecht; Experimental and theoretical approaches to thin film lubrication studies, by I. Lee-Prudhoe, C.H. Venner, P.M. Cann and H.A. Spikes; Extension ofconventional optical EHL technique, by P.L. Wong and F. Guo; Surface modification for piston ring and liner, by N.G. Bolander and F. Sadeghi; Variations of an EHL film under boundary slippage, by F. Guo and P.L. Wong; Elastohydrodynamic lubrication in 'soft-on-soft' natural synovial joints; 'hard-on-soft' cushion and 'hard-on-hard' metal-on-metal total joint replacements, by D. Dowson; Stribeck curve for starved concentrated contacts, by I.C. Faraon and D.J. Schipper; Investigation on thermal distress and scuffing failure under micro-EHL conditions, by A. Polacco, G. Pugliese, E. Ciulli, G.M. Bragallini and M. Facchini; Effect of slip ratio on rolling contact fatigue of bearing steel rollers lubricated with traction oil, by A. Nakajima and T. Mawatari; Prediction of fatigue damage in rough surface EHL, by H. Qiao, H.P. Evans and R.W. Snidle; Wear modelling in worm gears, by K.J. Sharif, H.P. Evans, R.W. Snidle; Lubrication modelling of artificial hip joints, by F.C. Wang and Z.M. Jin; Fractals and surface roughness in EHL, by F.M. Borodich; Roughness attenuation and pressure rippling in EHL contacts, by C.J. Hooke; Effect of film thickness ratio on gearing contact fatigue life, by C.K. Gao, X.M. Qi, R.W. Snidle and H.P. Evans; Surface contact in micro-EHL, by M.J.A. Holmes, H.P. Evans and R.W. Snidle; APPENDIX: The scientific Programme; Author Index; Subject Index.
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