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TECHNICAL PAPERS

Improvement of the THD Performance of a Misaligned Plain Journal Bearing

[+] Author and Article Information
J. Bouyer, M. Fillon

Université de Poitiers, Laboratoire de Mécanique des Solides, U.M.R C.N.R.S 6610, SP2MI, Bd Pierre et Marie Curie, BP 30179, 86962 Futuroscope Chasseneuil Cedex, France

J. Tribol 125(2), 334-342 (Mar 19, 2003) (9 pages) doi:10.1115/1.1510883 History: Received February 20, 2002; Revised July 30, 2002; Online March 19, 2003
Copyright © 2003 by ASME
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References

Bouyer,  J., and Fillon,  M., 2001, “An Experimental Analysis of Misalignment Effects on Hydrodynamic Plain Journal Bearing Performances,” ASME J. Tribol., 124, pp. 313–319.
Banwait, S. S., Chandrawat, H. N., and Adithan, M., 1998, “Thermohydrodynamic Analysis of Misaligned Plain Journal Bearing,” Proc. 1st Asia International Conference on Tribology, Beijing, China, pp. 35–40.
Pierre, I., Bouyer, J., and Fillon, M., 2002, “Thermohydrodynamic Study of Misaligned Plain Journal Bearings—Comparison Between Experimental Data and Theoretical Results,” Proc. 2nd World Tribology Congress, Vienna, Austria, pp. 1–4.
Fillon, M., and Bouyer, J., 2001, “Experimental Study of a Plain Journal Bearing: Influence of Direction and Intensity of Misalignment Torque on Bearing Performances,” Proc. 16th Brazilian Congress of Mechanical Engineering, Uberla⁁ndia, Brazil, 3 , pp. 42–49.
Hashimoto,  H., Wada,  S., and Nojima,  K., 1986, “Performance Characteristics of Worn Journal Bearings in both Laminar and Turbulent Regime: Part1—Steady-State Characteristics,” ASLE Trans., 29(4), pp. 572–577.
Suzuki, K., and Tanaka, M., 1995, “Stability Characteristics of Worn Journal Bearing,” Proc. Asia-Pacific Vibration Conference, Kuala Lumpur, Thailand, pp. 296–301.
Kumar,  A., and Mishra,  S. S., 1996, “Steady-State Analysis of Non-Circular Worn Journal Bearings in Non-Laminar Lubrication Regimes,” Tribol. Int., 29, pp. 493–498.
Pierre,  I., and Fillon,  M., 2000, “Influence of Geometric Parameters and Operating Conditions on Thermohydrodynamic Behavior of Plain Journal Bearings,” IME J. Engrg. Tribol., 214 , pp. 445–457.
Elrod,  H. G., 1981, “A Cavitation Algorithm,” ASME J. Lubr. Technol., 103, pp. 350–354.
Boncompain,  R., Fillon,  M., and Fre⁁ne,  J., 1986, “Analysis of Thermal Effects in Hydrodynamic Bearings,” ASME J. Tribol., 108, pp. 219–224.
Pierre, I., 2000, “Etude Tridimensionnelle des Effets Thermohydrodynamiques dans les Paliers Alignés et Mésalignés,” Ph.D. thesis, Laboratoire de Mécanique des Solides, Poitiers, France.

Figures

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Schematic diagram of the plain journal bearing and coordinate system
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Configuration of a misaligned bearing
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View of the internal bush surface with a local defect
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View of the internal bush surface with a global defect
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Film thickness for (a) no defect, (b) local defect, and (c) global defect on the bush, for the misaligned case (M=70 Nm,ψ=0 deg).
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Temperature field at film/bush interface for (a) no defect, (b) local defect, and (c) global defect on the bush, for the misaligned case (M=70 Nm,ψ=0 deg)
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Pressure field for (a) no defect, (b) local defect, and (c) global defect on the bush, for the misaligned case (M=70 Nm,ψ=0 deg).
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Angular variation of the film thickness in the section of minimum film thickness, for the misaligned case (M=70 Nm,ψ=0 deg)
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Angular variation of the temperature at the film/bush interface in the section of maximum temperature, for the misaligned case (M=70 Nm,ψ=0 deg)
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Axial variation of the temperature at the film/bush interface in the angular coordinate of maximum temperature, for the misaligned case (M=70 Nm,ψ=0 deg)
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Angular variation of the pressure in the section of maximum pressure, for the misaligned case (M=70 Nm,ψ=0 deg)
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Angular variation of the film thickness in the section of minimum film thickness, for the misaligned case (M=70 Nm,ψ=−90 deg)
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Angular variation of the temperature at the film/bush interface in the section of maximum temperature, for the misaligned case (M=70 Nm,ψ=−90 deg)
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Axial variation of the temperature at the film/bush interface in the angular coordinate of maximum temperature, for the misaligned case (M=70 Nm,ψ=−90 deg)
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Angular variation of the pressure in the section of maximum pressure, for the misaligned case (M=70 Nm,ψ=−90 deg)

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