Abstract
Comparison of Mobility Method and Mass Conservation Method in a Study of Dynamically Loaded Journal Bearings
Highlights
Comparison of Mobility Method and Mass Conservation Method in a Study of Dynamically Loaded Journal Bearings
The inverse problem of dynamically loaded journal bearings was solved using generalized Reynolds equation coupled with a complete mass conservative cavitation boundary conditions, as outlined by the Jacobsson-Floberg and Olsson (JFO) cavitation theory
The purpose of this paper is to compare the results produced by the mobility method and the rigorous method, while both are applied for the analysis of dynamically loaded bearings in a commercially available reciprocating air compressor
Summary
Comparison of Mobility Method and Mass Conservation Method in a Study of Dynamically Loaded Journal Bearings. The inverse problem of dynamically loaded journal bearings was solved using generalized Reynolds equation coupled with a complete mass conservative cavitation boundary conditions, as outlined by the Jacobsson-Floberg and Olsson (JFO) cavitation theory. For the journal bearing where the feed pressure is time dependent and starvation eects are predominant, the mobility method may produce large not acceptable errors. The performance of dynamically loaded bearings is an important issue for the engine industry. There is a need in industry for a quick method or algorithm for engineers who desire to have a reliable and rapid design tool. For a ®nite journal bearing, which lubrication behavior can be described by 2D Reynolds equation, there does not exist analytical solution. For a non-ideal, ®nite length bearing, numerical method has to be applied
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