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TECHNICAL PAPERS

Flow Characteristics of a Powder Lubricant Sheared Between Parallel Plates

[+] Author and Article Information
Lei Zhou

Department of Mechanical Engineering and Energy Process, Southern Illinois University, Carbondale, IL 62901-6603

M. M. Khonsari

Department of Mechanical Engineering, 2508 CEBA, Louisiana State University, Baton Rouge, LA 70803 e-mail: khonsari@me.lsu.edu

J. Tribol 122(1), 147-155 (Jun 01, 1999) (9 pages) doi:10.1115/1.555337 History: Received January 26, 1999; Revised June 01, 1999
Copyright © 2000 by ASME
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References

Heshmat,  H., 1992, “The Quasi-Hydrodynamic Mechanism of Powder Lubrication: Part 2. Lubricant Film Pressure Profile,” Lubr. Eng., 48, pp. 373–383.
Heshmat,  H., 1991, “High-Temperature Solid-Lubricated Bearing Development—Dry Powder-Lubricated Traction Testing,” AIAA J. Propul. Power, 75, pp. 814–820.
Heshmat,  H., and Brewe,  D. E., 1995, “Performance of Powder-Lubricated Journal Bearings with MoS2 Powder: Experimental Study of Thermal Phenomena,” ASME J. Tribol., 117, pp. 506–512.
Elrod, H. G., 1988, “Granular Flow As A Tribological Mechanics,” Interface Dynamics, Leeds-Lyon Conference, p. 75.
Khonsari,  M. M., 1997, “On the Modeling of Multi-body Interaction Problems in Tribology,” Wear, 207, pp. 55–62.
Elrod, H. G., and Brewe, D. E., 1992, “Numerical Experiments with Flows of Elongated Granules,” NASA TM105567, AVSCOM TR91-C-006.
Dai,  F., Khonsari,  M. M., and Lu,  Y. Z., 1994, “On the Lubrication Mechanism of Grain Flows,” Tribol. Trans., 37, pp. 516–524.
Yu, C. M., Craig, K., and Tichy, J., 1994, “Granular Collision Lubrication,” J. Rheology, pp. 921–936.
McKeague,  K. T., and Khonsari,  M. M., 1996, “Generalized Boundary Interactions for Powder Lubricated Couette Flow,” ASME J. Tribol., 118, pp. 580–588.
Yu,  C. M., and Tichy,  J., 1996, “Granular Collisional Lubrication: Effect of Surface Roughness, Particle Size and Solids Fraction,” Tribol. Trans., 39, pp. 537–546.
Haff,  P. K., 1983, “Grain Flow as a Fluid Mechanical Phenomenon,” J. Fluid Mech., 134, pp. 401–430.
Jenkins,  J. T., and Richman,  M. W., 1986, “Boundary Conditions for Plane Flows of Smooth, Nearly Elastic, Circular Disks,” J. Fluid Mech., 171, pp. 53–69.
Lun,  C. K. K., Savage,  S. B., Jeffrey,  D. J., and Chepurniy,  N., 1984, “Kinetic Theories for Granular Flows: Inelastic Particles in Couette Flow and Slightly Inelastic Particles in a General Flow Field,” J. Fluid Mech., 140, pp. 223–256.
Johnson,  P. C., and Jackson,  R., 1987, “Frictional-Collisional Constitutive Relations for Granular Materials with Applications to Plane Shearing,” J. Fluid Mech., 176, pp. 67–93.
Hanes,  D. M., and Inman,  D. L., 1985, “Observations of Rapidly Flowing Granular Fluid Materials,” J. Fluid Mech., 150, pp. 357–380.
Savage,  S. B., and Sayed,  M., 1984, “Stresses Developed by Dry Cohesionless Granular Materials Sheared in an Annular Shear Cell,” J. Fluid Mech., 142, pp. 391–430.
Campbell,  C. S., and Brennen,  C. E., 1985, “Computer Simulations of Granular Shear Flows,” J. Fluid Mech., 151, pp. 167.

Figures

Grahic Jump Location
Benchmark for Case 1 and Case 2
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Effect of top surface roughness (Case 2)
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Effect of mass flow rate (Case 2)
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Effect of mass flow rate (Case 1)
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Effect of ep and ew on load
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Effect of roughness and mass flow rate on load
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Effect of ep and ew on friction factor
Grahic Jump Location
Effect of ϕ and ΔH on friction factor

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