Both pressure and viscosity have been observed via molecular simulation to oscillate with film thickness in ultra thin lubricating films. This oscillation may need to be considered in lubricated system design for applications that operate in the thin film lubrication regime. Oscillatory behavior occurs when the thickness of the lubricant is on the same order of magnitude as the fluid molecules themselves. It has been suggested by many researchers that this oscillation is related to the layering that occurs in confined fluids. In the present work, this relationship between molecular configuration and oscillation in fluid properties is further investigated. A quantifiable relationship is identified which may enable prediction of oscillatory effects based on fluid atom size and wall separation.
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STLE/ASME 2006 International Joint Tribology Conference
October 23–25, 2006
San Antonio, Texas, USA
Conference Sponsors:
- Tribology Division
ISBN:
0-7918-4259-2
PROCEEDINGS PAPER
Origins of Pressure and Viscosity Oscillation With Film Thickness in Ultra Thin Lubricating Films Available to Purchase
A. Martini,
A. Martini
Northwestern University, Evanston, IL
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R. Q. Snurr,
R. Q. Snurr
Northwestern University, Evanston, IL
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Q. Wang
Q. Wang
Northwestern University, Evanston, IL
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A. Martini
Northwestern University, Evanston, IL
R. Q. Snurr
Northwestern University, Evanston, IL
Q. Wang
Northwestern University, Evanston, IL
Paper No:
IJTC2006-12331, pp. 513-514; 2 pages
Published Online:
October 2, 2008
Citation
Martini, A, Snurr, RQ, & Wang, Q. "Origins of Pressure and Viscosity Oscillation With Film Thickness in Ultra Thin Lubricating Films." Proceedings of the STLE/ASME 2006 International Joint Tribology Conference. Part A: Tribomaterials; Lubricants and Additives; Elastohydrodynamic Lubrication; Hydrodynamic Lubrication and Fluid Film Bearings; Rolling Element Bearings; Engine Tribology; Machine Components Tribology; Contact Mechanics. San Antonio, Texas, USA. October 23–25, 2006. pp. 513-514. ASME. https://doi.org/10.1115/IJTC2006-12331
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