Multi-Constrained Optimization of Running Characteristics of Mechanisms Lubricated With Compressible Fluid

[+] Author and Article Information
M. Jai

CNRS-UMR 5585, INSA de LYON, Mathématiques Bat Leonard de Vinci, F-69621 Villeurbanne, Francee-mail: jai@insa-lyon.fr

G. Buscaglia

Instituto Balseiro and Centro Atómico Bariloche, 8400, Bariloche, Argentinae-mail: gustavo@cab.cnea.gov.ar

I. Iordanoff

CNRS-UMR 5514, INSA de LYON, Bat Jean D’Alembert, F-69621 Villeurbanne, Francee-mail: Ivan.Iordanoff@insa-lyon.fr

J. Tribol 126(1), 132-136 (Jan 13, 2004) (5 pages) doi:10.1115/1.1631011 History: Received April 09, 2002; Revised May 06, 2003; Online January 13, 2004
Copyright © 2004 by ASME
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Unconstrained optimal profile H*. The graphics package interpolates as though H were bilinear, when in fact it is piecewise constant.
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Optimal profile for C=1.5
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Optimal profile for C=1.2
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Pressure distribution for the optimal design of Fig. 3(C=1.2)
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Adjoint state for the optimal design of Fig. 3(C=1.2)
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Optimal normalized load capacity versus gas bearing number. Also shown is the value of θ0 for each optimum, and the best attainable value when each pan has circular shape.
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Optimal gap profiles for different bearing numbers
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Pressure distributions corresponding to the profiles of Fig. 7
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Sketches of optimally shaped bearings for Λ=10 and Λ=300. The radius of the inner cylinder has been asigned the unrealistic value of 10 just for visualization purposes.
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Scheme of a classical three-pad bearing and its defining parameters
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Unconstrained optimal gap profile and pressure distribution for the journal bearing with Λ=100




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