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TECHNICAL PAPERS

A Non-Axisymmetric Steady State Model of a Mechanical Seal for Down-Hole Tools

[+] Author and Article Information
Shunhe Xiong, Richard F. Salant

George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA 30332-0405

J. Tribol 124(1), 144-150 (Apr 17, 2001) (7 pages) doi:10.1115/1.1398294 History: Received February 06, 2001; Revised April 17, 2001
Copyright © 2002 by ASME
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References

Shepherd, W. L., and Klingensmith, W. L., 1990, “Improvements in Rock Bit Performance,” ASME 13th Annual Energy Sources Technology Conference, Drilling Technology Symposium, New Orleans, ASME Petroleum Division Publication PD, 27 , pp. 23–25.
Kelly,  J. L., 1990, “Forecasting the Life of Rock-Bit Journal Bearings,” SPE Drilling Engineering, 5, pp. 165–170.
Xiong,  S., and Salant,  R. F., 2000, “A Numerical Model of a Rock Bit Bearing Seal,” STLE Tribol. Trans., 43, pp. 542–548.
Patir,  N., and Cheng,  H. S., 1978, “An Average Flow Model for Determining Effects of Three-Dimensional Roughness on Partial Hydrodynamic Lubrication,” ASME J. Lubr. Technol., 100, pp. 12–17.
Patir,  N., and Cheng,  H. S., 1979, “Application of the Average Flow Model to Lubrication Between Rough Sliding Surfaces,” ASME J. Lubr. Technol., 101, pp. 220–229.
Payvar,  P., and Salant,  R. F., 1992, “A Computational Method for Cavitation in a Wavy Mechanical Seal,” ASME J. Tribol., 114, pp. 119–204.
Nau, B. S., 1963, “An Investigation into the Nature of the Interface Film, the Pressure Generation Mechanism and Centripetal Pumping in Mechanical Seals,” Technical Report RR 754, The British Hydromechanics Research Association, Cranfield, UK.
Iny,  E. H., 1971, “A Theory of Sealing with Radial Face Seals,” Wear, 18, pp. 51–69.
Stanhan-Batch,  B., and Iny,  E. H., 1973, “A Hydrodynamic Theory of Radial-Face Mechanical Seals,” J. Mech. Eng. Sci., 15, pp. 17–24.

Figures

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Schematic of down-hole tool
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Schematic of mechanical seal
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Orientation of the seal faces
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Computational procedure
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Leakage rate versus relative misalignment
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Film thickness distributions
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Fluid pressure distributions
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Incursion rate versus relative misalignment
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Contact pressure distributions
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Maximum contact pressure versus relative misalignment
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Interface temperature distributions
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Maximum interface temperature versus relative misalignment

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