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TECHNICAL PAPERS

Modeling of Line Contacts With Degrading Lubricant

[+] Author and Article Information
Ilya I. Kudish, Ruben G. Airapetyan

Kettering University, Flint, MI 48504

J. Tribol 125(3), 513-522 (Jun 19, 2003) (10 pages) doi:10.1115/1.1538193 History: Received March 12, 2002; Revised October 08, 2002; Online June 19, 2003
Copyright © 2003 by ASME
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References

Figures

Grahic Jump Location
The map of the flow streamlines for the degrading lubricant under pure rolling conditions (s0=0)
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The map of the horizontal component u of the velocity of the degrading lubricant under pure rolling conditions (s0=0) along its flow streamlines
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The pressure distributions p(x) for the degrading (solid line) and nondegrading (dashed-dotted line) lubricants for s0=0 and the Hertzian pressure distribution (dashed line)
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The distribution of the gap h(x) in the contact region for s0=0: nondegrading lubricant (dashed line), degrading lubricant (solid line)
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The distribution of the reciprocal of the lubricant viscosity μ(x,z) in the lubrication film under pure rolling conditions, s0=0,(z is the stretched z-coordinate across the film thickness, z=zh(a)/h(x))
Grahic Jump Location
The distribution of the reciprocal of the lubricant viscosity μ(x,z) along the flow streamlines under pure rolling conditions, s0=0
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The distribution of the polymer molecular weight W(x,z(x),l) along the flow streamline z48(x) that is running through the whole contact and is next to the first turning around flow streamline under pure rolling conditions (s0=0)
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The map of the flow streamlines for the degrading lubricant under pure sliding conditions (s0=−2)
Grahic Jump Location
The map of the horizontal component u of the flow velocity for the degrading lubricant along the flow streamlines under pure sliding conditions (s0=−2)
Grahic Jump Location
The pressure distributions p(x) for the degrading (solid line) and nondegrading (dashed-dotted line) lubricants for s0=−2 and the Hertzian pressure distribution (dashed line)
Grahic Jump Location
The distribution of the reciprocal of the lubricant viscosity μ(x,z) in the lubrication film under pure sliding conditions, s0=−2,(z is the stretched z-coordinate across the film thickness, z=zh(a)/h(x))
Grahic Jump Location
The distribution of the reciprocal of the lubricant viscosity μ(x,z) along the flow streamlines under pure sliding conditions, s0=−2
Grahic Jump Location
The distribution of the polymer molecular weight W(x,z(x),l) along the flow streamline z48(x) that is running through the whole contact and is next to the first turning around flow streamline under pure sliding conditions (s0=−2)

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