منابع مشابه
Elastohydrodynamic lubrication of faults
The heat flow paradox provides evidence that a dynamic weakening mechanism may be important in understanding fault friction and rupture. We present here a specific model for dynamic velocity weakening that uses the mechanics of well-studied industrial bearings to explain fault zone processes. An elevated fluid pressure is generated in a thin film of viscous fluid that is sheared between nearly ...
متن کاملHydrodynamic and Elastohydrodynamic Lubrication
Contents 1. Introduction 2. Stress-induced lubricant degradation 3. Basic equations governing the fluid elastohydrodynamic lubrication (EHL) of line and point contacts 3.1. Equations of fluid motion 3.2. Contact surface displacements in line and point lubricated contacts 4. Steady isothermal EHL problems for lightly loaded non-conformal line contacts 5. Steady isothermal EHL problems for heavil...
متن کاملElastohydrodynamic Lubrication of Grease-Lubricated Rolling Bearings
. . l l l r Irr/~ricctrt~ .filttr rl~ickt~(,.s.s of grensr l~rbr ico~r~l , cyli~trdricol rol11,r 1lrr11.sl /)i~crrirrg.s rocts tnmsrt,z,[i, ztsing 11 c n p ( t c i l ( ~ ~ ~ c c ~ t y / ) ~ dl.$plrrcrttrrrrt prol)~,. For cott~,bnri.son, tllr . S N ~ ~ I I ~ to.sts 7110'1' (11.so per/i)rtt11~1 zoi/11 1/11> / ) t~(tr i t~g~s l~tbt-ic(tl(~i 7~1111 ~ I I ~ T I ( , I Y L / oi1.s. Till, , f i / t t~ ...
متن کاملStabilized Finite Elements for Elastohydrodynamic Lubrication Problems
In this work, we are mainly interested in modelling a particular lubrication regime known as Elastohydrodynamic (EHD). The pressure generated in the conjunction is high enough to induce a significant elastic deformation of the contacting bodies. Therefore a strong coupling between hydrodynamic and elastic effects is involved. A finite element full-system approach is used to model the lubricant ...
متن کاملElastohydrodynamic Lubrication With Herschel-Bulkley Model Greases
The analysis of grease-lubricaled rolling element bearings i s presented. Exferimen tally determined flow curaes for grease are found to be well correlated by the Herschel-Bdkley model flow eqzration. A theory for predicting roller Jilm thickness based on the assumed flow model i s derived. Experimental results show that grease will deveIop a larger film lhickness lhan the grease base oil at ji...
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ژورنال
عنوان ژورنال: Journal of Geophysical Research: Solid Earth
سال: 2001
ISSN: 0148-0227
DOI: 10.1029/2001jb000430