A three-dimensional computational thermal contact model is developed. The approach utilizes a combination of the transfer matrix and finite element methods. The frictional heat generated at the contact interface is instantaneously partitioned between the bushing and the shaft. Two methods to couple the heat and temperature at the contact interface are presented. One method automatically accounts for the heat division between contacting bodies by satisfying the heat equilibrium and temperature continuity at interactive surfaces. The other method introduces a fictitious layer between contacting bodies with a specified gap conductance to partition the frictional heat. Application of the model to the heat transfer analysis of journal bearing systems experiencing oscillatory motion is presented. Nonuniformly distributed frictional heat along the axial direction is considered. The model is capable of predicting the transient temperature field for journal bearings. It can also be used to determine the maximum contact temperature, which is difficult to be measured experimentally. Comparison of the simulated resulted along with experimental tests conducted in a laboratory is presented.
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e-mail: khonsari@me.lsu.edu
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January 2011
Research Papers
Three-Dimensional Heat Transfer Analysis of Pin-Bushing System With Oscillatory Motion: Theory and Experiment
Jun Wen,
Jun Wen
Mem. ASME
Department of Mechanical Engineering,
Louisiana State University
, 2508 Patrick Taylor Hall, Baton Rouge, LA 70808
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M. M. Khonsari,
M. M. Khonsari
Dow Chemical Endowed Chair in Rotating Machinery
Fellow ASME
Department of Mechanical Engineering,
e-mail: khonsari@me.lsu.edu
Louisiana State University
, 2508 Patrick Taylor Hall, Baton Rouge, LA 70808
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D. Y. Hua
D. Y. Hua
Caterpillar Inc.
, Technical Center Building E-854, P.O. Box 1875, Peoria, IL 61656-1875
Search for other works by this author on:
Jun Wen
Mem. ASME
Department of Mechanical Engineering,
Louisiana State University
, 2508 Patrick Taylor Hall, Baton Rouge, LA 70808
M. M. Khonsari
Dow Chemical Endowed Chair in Rotating Machinery
Fellow ASME
Department of Mechanical Engineering,
Louisiana State University
, 2508 Patrick Taylor Hall, Baton Rouge, LA 70808e-mail: khonsari@me.lsu.edu
D. Y. Hua
Caterpillar Inc.
, Technical Center Building E-854, P.O. Box 1875, Peoria, IL 61656-1875J. Tribol. Jan 2011, 133(1): 011101 (10 pages)
Published Online: December 3, 2010
Article history
Received:
October 29, 2008
Revised:
March 31, 2009
Online:
December 3, 2010
Published:
December 3, 2010
Citation
Wen, J., Khonsari, M. M., and Hua, D. Y. (December 3, 2010). "Three-Dimensional Heat Transfer Analysis of Pin-Bushing System With Oscillatory Motion: Theory and Experiment." ASME. J. Tribol. January 2011; 133(1): 011101. https://doi.org/10.1115/1.4002729
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