润滑
摩擦学
方位(导航)
材料科学
流体轴承
球(数学)
机械工程
复合材料
边界润滑
工程类
计算机科学
数学
几何学
人工智能
作者
M. M. Khonsari,E. Richard Booser
出处
期刊:John Wiley & Sons, Ltd eBooks
[Wiley]
日期:2017-08-08
卷期号:: 1-22
被引量:32
标识
DOI:10.1002/9781118700280.ch1
摘要
Tribology is applied to the emerging science of friction, wear, and lubrication involved at moving contacts. Several distinct regimes are commonly employed to describe the fundamental principles of tribology. These range from dry sliding to complete separation of two moving surfaces by fluid-film lubrication, with an intermediate range involving partial separation in boundary or mixed lubrication. When elastic surface deformation exerts a strong influence on fluid-film behavior, as in ball and roller bearings, elastohydrodynamic lubrication (EHL) introduces its distinctive characteristics. Most bearings can be classified as either fluid-film bearings, dry or semilubricated sliding bearings, or rolling element bearings. This chapter tabulates their relative advantages. Reassessing the bearing class and bearing design is a common need for existing machines or products. This need may arise from problems with the present bearings, from extension of the product line, or in updating a machine design.
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