Thermohydrodynamic Performance of a Tilting Pad Journal Bearing With Spot Lubrication

Author:

Tanaka M.1

Affiliation:

1. Department of Mechanical Engineering, The University of Tokyo, 7-3-1, Hongo, Bunkyo-ku Tokyo 113 Japan

Abstract

A new method of lubricant feeding is presented for tilting pad journal bearing and its effect on the thermohydrodynamic performance of the bearing is investigated theoretically and experimentally for various operating conditions. The new method can significantly reduce the maximum pad temperature compared with conventional methods, and its effect becomes pronounced with the increase in operating shaft speed. The method is promising for high speed journal pad bearing which is rapidly decreasing a safety margin against seizure due to the dangerously rising maximum pad temperature.

Publisher

ASME International

Subject

Surfaces, Coatings and Films,Surfaces and Interfaces,Mechanical Engineering,Mechanics of Materials

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