Experimental Study of Thermal Effects in Tilting-Pad Journal Bearings at High Operating Speeds

[+] Author and Article Information
C. Bouchoule, M. Fillon, D. Nicolas

Université de Poitiers, URA CNRS, Laboratoire de Mécanique des Solides, 40, Avenue du Recteur Pineau, 86022 Poitiers, Cedex, France

F. Barresi

Flender Graffenstaden, B.P. 84, 1, Rue du Vieux Moulin, 67402 Illkirch, Cedex France

J. Tribol 118(3), 532-538 (Jul 01, 1996) (7 pages) doi:10.1115/1.2831570 History: Received January 27, 1995; Revised July 10, 1995; Online January 24, 2008


In this work, a test machine, experimental results and the comparison between theoretical TEHD results and experimental data are presented. The tested bearings are located in two speed increasing and reduction gearboxes (back-to-back test bed). The shaft is driven by a 1 MW motor. The bearing diameter and the bearing length are equal to 160 mm. The rotational speed varies from 2700 rpm (22 m/s) to 11,880 rpm (100 m/s). The applied load is up to 88,000 N. Temperatures in the bearing (film/pad interface, oil, pad and housing), power losses and oil flow are measured. The influence of the bearing design and of the pivot position on the pad is analyzed.

Copyright © 1996 by The American Society of Mechanical Engineers
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