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TECHNICAL PAPERS

Traction Behavior of Some Lubricants Used for Rolling Bearings in Spacecraft Applications: Experiments and Thermal Model Based on Primary Laboratory Data

[+] Author and Article Information
Daniel Nélias, Philippe Vergne

Laboratoire de Mécanique des Contacts, UMR CNRS 5514, Institut Européen de Tribologie, INSA de LYON, Ba⁁t. 113-20, avenue Albert Einstein, 69621 Villeurbanne Cedex, France

Eric Legrand

GLCS 80, rue de Paris, 93100 Montreuil, France

Jean-Bernard Mondier

CNES, Centre Spatial de Toulouse, 18, avenue Edouard Belin, Bpi1416, 31401 Toulouse Cedex, 4, France

J. Tribol 124(1), 72-81 (May 04, 2001) (10 pages) doi:10.1115/1.1399054 History: Received January 04, 2001; Revised May 04, 2001
Copyright © 2002 by ASME
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References

Figures

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Variation of the dynamic viscosity (at ambient pressure) with temperature for Pennzane SHF X2000, Nye 186 A, and Fomblin Z25 (points: experimental data, lines: modified WLF model)
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Synthesis of high shear rate measurements for the Nye 186 A oil
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Variation of the dynamic viscosity with pressure at different temperatures for (a) Pennzane SHF X2000 and Nye 186 A; and (b) Fomblin Z25 (points: experimental data, lines: modified WLF model)
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Inverse isoviscous asymptotic pressure α* versus temperature for the 3 oils studied. Points: values deduced from experimental date. Lines: values calculated from the modified WLF model (cf. Table 2).
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Sound propagation velocity versus pressure at different temperatures for Pennzane SHF X2000, Nye 186A, and Fomblin Z25
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Comparison between the measure and calculated traction coefficients at 0°C for Pennzane SHF X2000, Nye 186A, and Fomblin Z25

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