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TECHNICAL PAPERS

Finite Element Mass-Conserving Cavitation Algorithm in Pure Squeeze Motion. Validation/Application to a Connecting- Rod Small End Bearing

[+] Author and Article Information
Virgil Optasanu, Dominique Bonneau

Laboratoire de Mécanique des Solides, University of Poitiers, CNRS UMR 6610, 4 Av. de Varsovie, 16021 Angoule⁁me, Cedex, France

J. Tribol 122(1), 162-169 (Jun 09, 1999) (8 pages) doi:10.1115/1.555339 History: Received February 03, 1999; Revised June 09, 1999
Copyright © 2000 by ASME
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References

Hays, D. F., and Feiten, J. B., 1964, “Cavities Between Moving Parallel Plates,” Cavitation in Real Liquids, R. Davies, ed., Elsevier Publishing Company, New York, N.Y., pp. 122–137.
Rodrigues, A. N., 1970, “An Analysis of Cavitation in a Circular Squeeze Film and Correlation with Experimental Results,” Ph.D. thesis, Cornell University, Ithaca, NY.
Parkins,  D. W., and Stanley,  W. T., 1982, “Characteristics of an Oil Squeeze Film,” ASME J. Tribol., 104, pp. 497–503.
Parkins,  D. W., and May-Miller,  R., 1984, “Cavitation in an Oscillatory Oil Squeeze Film,” ASME J. Tribol., 106, pp. 360–367.
Parkins,  D. W., and Woollam,  J. H., 1986, “Behavior of an Oscillating Oil Squeeze Film,” ASME J. Tribol., 108, pp. 639–644.
Fantino,  B., Fre⁁ne,  J., and Duparquet,  J., 1979, “Elastic Connecting-Rod Bearing with Piezoviscous Lubricant: Analysis of the Steady State Characteristics,” ASME J. Lubr. Technol., 101, No. 2, pp. 190–200.
Fantino, B., 1981, “Influence des défauts de forme et des déformations élastiques des surfaces en lubrification hydrodynamique sous charge statiques et dynamiques,” Thèse No. 1-DE-8122, INSA de Lyon, France.
Fantino,  B., and Fre⁁ne,  J., 1985, “Comparison of Dynamic Behavior of Elastic Connecting-rod Bearing in Both Petrol and Diesel Engines,” ASME J. Tribol., 107, pp. 87–91.
Oh,  K. P., and Goenka,  P. K., 1985, “The Elastohydrodynamic Solution of Journal Bearings under Dynamic Loading,” ASME J. Tribol., 107, pp. 389–395.
Murty, K. G., 1974, “Note on a Bard-type Scheme for Solving the Complementarity Problems,” Opsearch, Vol. 11, pp. 123–130.
Kumar,  A., and Booker,  J. F., 1991, “A Finite Element Cavitation Algorithm,” ASME J. Tribol., 113, pp. 276–286.
Kumar,  A., and Booker,  J. F., 1991, “A Finite Element Cavitation Algorithm: Application/Validation,” ASME J. Tribol., 113, pp. 255–261.
Boedo,  S., and Booker,  J. F., 1995, “Cavitation in Normal Separation of Square and Circular Plates,” ASME J. Tribol., 117, pp. 403–410.
Jacobson, B., and Floberg, L., 1957, “The Finite Journal Bearing Considering Vaporisation,” Chalmers Tekniska Hoegskolas Hnndlingar, Vol. 190, pp. 1–116.
Olsson, K., 1974, “On Hydrodynamic Lubrication with Special Reference to Nonstationary Cavitation,” Chalmers University of Technology, Goteborg.
Bonneau,  D., Guines,  D., Fre⁁ne,  J., and Toplosky,  J., 1995, “EHD Analysis, Including Structural Inertia Effects and Mass-Conserving Cavitation Model,” ASME J. Tribol., 117, pp. 540–547.
Tanneau, G., Fre⁁ne, J., and Berthe, D., 1985, “Theoretical Approach to Roughness Effects in the Small-End Bearing of a Connecting-Rod,” Proceedings of the 11th Leeds-Lyon Symposium on Tribology, Butterworths, pp. 64–69.
Zeidan,  Y. F., and Vance,  J. M., 1989, “Cavitation Leading to a Two Phase Fluid in a Squeeze Film Dapmer,” Tribol. Trans., 32, 1, pp. 100–104.
Pinkus, O., and Sternlich, B., 1961, Theory of Hydrodynamic Lubrication, McGraw-Hill.
Prat,  P., Vergne,  Ph., and Sicre,  J., 1994, “New Results in High Pressure and Low Temperature Rheology of Liquid Lubricant for Space Application,” ASME J. Tribol., 116, pp. 629–634.

Figures

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Maximum pressure evolution
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Influence of the piezoviscosity on the minimum film thickness at 2000 rev/min
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Influence of the piezoviscosity on pressure and film thickness fields for elastic assumptions on both connecting rod and shaft (at 360 degrees crank shaft)
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Polar load diagram at 2000 rev/min
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Geometry of the parabolic plates
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Film regions: Ω0=cavitation region, Ω=full film region, Ω*=cavitation boundary
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Four stages for the cavitation growth
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Dimensionless cavitation boundary position for several values of parameters
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Dimensionless cavitation interface position
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Comparison between results on cavitation interface position
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Comparison between history of mixture liquid rate at the center of the plates
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Pressure time-evolution
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Finite element mesh for the half connecting-rod small end and its shaft
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Comparison on film pressure, film thickness and radial deformations at 370 degrees crank shaft

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