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Rheology in lubricationThe rheological effects on lubrication are discussed. The types of lubrication considered are thick film hydrodynamic lubrication and thin film elastohydrodynamic lubrication. The temperature-viscosity, viscoelastic, shear-thinning, and normal stess effects on the lubrication of journal bearings are analyzed. A graph of the pressure distribution of viscoelastic liquids in journal bearings is provided. Mathematical models are developed to define the effects of various properties of the lubricants on friction reduction.
Document ID
19740004112
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Cheng, H. S.
(Northwestern Univ. Evanston, IL, United States)
Date Acquired
August 7, 2013
Publication Date
January 1, 1973
Publication Information
Publication: NASA. Lewis Res. Center Interdisciplinary Approach to Liquid Lubricant Technol.
Subject Category
Machine Elements And Processes
Accession Number
74N12225
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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