Abstract
In that study the two dimensional solution of thermo-elasto-hydrodynamic bearings is obtained by solving simultaneously both the generalized Reynolds equation and the energy equation in the film, and the heat transfer equation in the material. The thermoelastic displacements of all bearing elements are also calculated. The four-shoe tilting-pad journal bearing is studied theoretically and the results are compared with the experimental data. The thermal effects on pressure, film thickness and friction torque are presented. Results show that the thermoelastic displacements of all bearing elements have to be taken into account in order to define the operating bearing clearance and the distortion of internal pad surface. Depending on bearing materials, bearing element temperatures, initial preload ratio and other factors like method of lubricant feeding, the minimum film thickness can decrease or increase when the rotational speed increases. For high preload bearing case, the bearing clearance is small and shape defects could produce great modifications in the bearing behavior.
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References
Beauchamp Tower, 1883, “First report on friction experiments”, Proc. Inst. Mech. Engrs, Vol. 34, pp.632–666.
Beauchamp Tower, 1885, “Second report on friction experiments”, Proc. Inst. Mech. Engrs, Vol. 36, pp. 58–70.
Boncompain R., Fillon M., Frêne J., 1987, “Effets thenniques dans les paliers hydrodynamiques -Aspects tliéoriques et expérimentaux”, Journal de Mécanique théorique et appliquée, Vol. 6, n° 2, pp. 253–293.
Cameron A., 1958, “The viscosity wedge”, Trans. ASLE, Vol. 1, pp. 248–253.
Dowson D., 1962, “A generalized Reynolds equation for fluid film lubrication”, Int. Journ. Mech. Sci„ Vol. 4, pp. 159–170.
Dowson D., Hudson J., 1963, “Thermohydrodynamic analysis of the infinite slider-bearing : part II, the parallel-surface bearing”, Proc. Inst. Mech. Engrs, Vol. 34, pp.45–51.
Fillon M., Frêne J., Boncompain R., 1985, “Etude expérimentale de l‘effet thermique dans les paliers à patins oscillants”, Proc. Eurotrib’85, Elsevier Science Publishers, Vol.1, pp. 1–7.
Fillon M., Frêne J., Boncompain R., 1987 “Historical aspects and present development on thermal effects in hydrodynamic bearings”, Proc. of the 13th Leeds-Lyon Symposium, Elsevier. Science Publishers, Tribology Series 11 , pp. 27–47.
Fillon M., Bligoud J.C., Frêne J., 1992, “Experimental study of tilting-pad journal bearings -Comparison with theoretical thermoelastohydrodynamic results”, ASME, Journ. of Tribology, Vol. 114, pp. 579–588.
Fillon M., Bligoud J.C., Frêne J., 1993, “Influence of the lubricant feeding method on the thermoelastohydrodynamic characteristics of tilting-pad journal bearings”, Proc. of the 6th International Congress on Tribology, Eurotrib’93, Vol. IV, pp. 7–12.
Hagg A.G., 1944, “Heat effects in lubricating films”, Journ. of App. Mech., N° 11, pp. 72–76.
Hirn G.A., 1854, “Sur les principaux phénomènes que présentent les frottements médiats, et sur les diverses manières de déterminer la valeur mécanique des matières employées au graissage des machines”, Bull. Soc. Ind. de Mulhouse, Tome XXVI, pp. 188–277.
Khonsari M., 1986 a, “A review of thermal effects in hydrodynamic bearings -Part I: slider and thrust bearings”, ASLE Trans., Vol. 30, N° 1, pp. 19–25.
Khonsari M., 1986 b, “A review of thermal effects in hydrodynamic bearings -Part II : journal bearings”, ASLE Trans., Vol. 30, N° 1, pp. 26–33.
Kingsbury A., 1933, “Heat effects in lubricating films”, Mech. Engrs., N° 55, pp. 685–688.
Petrov N., 1900, “Résultats les plus marquants de l’étude théoríque sur le frottement médiat”, Revue de Mécanique, Vol. VII, pp. 571–602.
Pinkus O.and Wilcock D.J., 1980, “Tliermal effectsin fluid bearings”, Proc. of the 6th Leeds-Lyon Symposium, Mech. Eng. Publi., pp. 3–23.
Pinkus O., 1990, “Tliermal aspects of fluid film tribology”, ASME Press New York, 506 p.
Reynolds O., 1886, “On the theory of lubrication and its application to M. Beauchamp Tower’s experiments”, Phil. Trans. Roy. Soc., Series A 177, pp. 135–217.
Richtmyer R.D., 1957, “Difference methods for initial value problems”, Interscience Publishers, Inc. New York, 101 p.
Tanaka M. “The effect of nozzle design and less pad assembly on the thermo-hydrodynamic performance of tilting pad journal bearings with spot lubrication”,Proc. of the 6th International Congress on Tribology, Eurotrib’93, Vol. IV, pp. 1–6.
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Fillon, M., Frêne, J. (1995). Numerical Simulation and Experimental Results on Thermo-Elasto-Hydrodynamic Tilting-Pad Journal Bearings. In: Dijksman, J.F., Kuiken, G.D.C. (eds) IUTAM Symposium on Numerical Simulation of Non-Isothermal Flow of Viscoelastic Liquids. Fluid Mechanics and Its Applications, vol 28. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-0191-2_7
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DOI: https://doi.org/10.1007/978-94-011-0191-2_7
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