NDLI: Effects of Electrodouble Layer (EDL) and Surface Roughness on Lubrication Theory

Content Provider	Springer Nature Link
Author	Li, W. L.
Copyright Year	2005
Abstract	The effects of surface roughness on the electrohydrodynamic lubrication with thin EDL are considered for the sliding of one charged body past another in an electrolyte solution. The apparent viscosity of the lubricating film with thin EDL and the average flow model are incorporated to derive the averaged Reynolds type equation as well as the related flow factors. The coupled effects of surface roughness and EDL on flow factors are discussed. The hydrodynamic pressure generated by the viscous force and electrokinetic force are discussed for an 1-D slider bearing. The results show that the existence of EDL resists the flow. The flow factors with EDL effects depart from those with no EDL effect significantly. As the EDL effect increases, the “enhanced flow” due to roughness is retarded, the “restricted flow” due to roughness is increased, and the load carrying capacities increase significantly.
Starting Page	53
Ending Page	61
Page Count	9
File Format	PDF
ISSN	10238883
Journal	Tribology Letters
Volume Number	20
Issue Number	1
e-ISSN	15732711
Language	English
Publisher	Kluwer Academic Publishers-Plenum Publishers
Publisher Date	2005-01-01
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	EDL roughness average flow model flow factor Reynolds equation Surfaces and Interfaces, Thin Films Physical Chemistry Tribology, Corrosion and Coatings Theoretical and Applied Mechanics
Content Type	Text
Resource Type	Article
Subject	Surfaces, Coatings and Films Mechanics of Materials Mechanical Engineering Surfaces and Interfaces

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