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TECHNICAL PAPERS

Effects of Housing Stiffness and Bearing Dimension on Engine Bearing Performance by Elastohydrodynamic Lubrication Analysis

[+] Author and Article Information
Yutaka Okamoto, Minoru Hanahashi, Takeshi Katagiri

R. & D. Division, Daido Metal Co., Ltd., Tendoh Shinden, Maehara, Inuyama, 484-0061 Japan

J. Tribol 122(4), 697-704 (Jun 22, 2000) (8 pages) doi:10.1115/1.1314604 History: Received June 08, 1999; Revised June 22, 2000
Copyright © 2000 by ASME
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References

Oh,  K. P., and Goenka,  P. K., 1985, “The Elastohydrodynamic Solution of Journal Bearings under Dynamic Loading,” ASME J. Tribol. 107, pp. 389–395.
Mclvor,  J. D. C., and Fenner,  D. N., 1989, “Finite Element Analysis of Dynamically Loaded Flexible Journal Bearings: A Fast Newton-Raphson Method,” ASME J. Tribol. 111, pp. 597–604.
Okamoto,  Y., Hanahashi,  M., and Katagiri,  T., 1999, “Theoretical Analysis of Bearing Taking Account of Elastic Deformation: Effects of Housing Stiffness and Bearing Length on Bearing Performances,” Transaction of Society of Automotive Engineers of Japan, 30, No. 2, pp. 81–86.

Figures

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Trend of specific load on con-rod bearings for diesel engines
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FEM models of con-rod and bearing
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Load diagram and journal center locus
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Distributions of oil film thickness, displacement and oil film pressure in axial direction: (a) oil film thickness; (b) displacement; and (c) oil film pressure.
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Relation between max. cylinder pressure and bearing performance: (a) minimum oil film thickness; (b) maximum oil film pressure; and (c) average power loss.
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Relation between power loss and bearing dimension on rigid bearing: (a) bearing length and (b) shaft diameter.
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Configurations of con-rod and bearing
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Relation between crank angle and bearing performance on changing bearing length (L): (a) oil film thickness, (b) oil film pressure, and (c) power loss.
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Relation between bearing length and bearing performance: (a) minimum oil film thickness; (b) maximum oil film pressure; and (c) average power loss.
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Relation between shaft diameter and bearing performance: (a) minimum oil film thickness; (b) maximum oil film pressure; and (c) average power loss.
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Relation between max. specific load and bearing performance: (a) minimum oil film thickness; (b) maximum oil film pressure; and (c) average power loss.    

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