Behaviour of a Hydrodynamic Journal Bearing: Torque Measurement During Start-Up
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The start-up friction coefficient in hydrodynamic bearings, used by engineers in the design of bearings, is most often issued from an approximation. Several studies can be found in the literature on this topic but most of them are concerned with air bearings or are only numerical. Other studies are more general and deal with the transient thermal behaviour in journal bearings as well as in thrust bearings. Only few studies are focused on experimental investigations of the friction coefficient or bush torque measurement. The aim of this study is to provide experimental measurements of the bush torque during start-up for various static loads.
- 2008 fascicula8