This paper applies the recently introduced Reynolds stress expression (Tieu and Kosasih, 1992) in the transition-turbulent lubrication analysis. The Reynolds stress is modeled using the mixing length expression which is able to account for the effect of local shear stress gradient, and it can be extended to apply in the transition regime. This theory is then used to determine three-dimensional velocity distributions between parallel plates. From the results, a set of coefficients covering transition-turbulent regime used in conjunction with the modified Reynolds equation is presented. It is shown that the resulting coefficients agree well with results of Elrod and Ng (1967) in the fully turbulent regime while differences are shown in the transition regime. Pressure distributions and load carrying capacity of superlaminar journal bearing are compared with available experimental data.
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October 1993
Research Papers
A Transition-Turbulent Lubrication Theory Using Mixing Length Concept
P. B. Kosasih,
P. B. Kosasih
Department of Mechanical Engineering, The University of Wollongong, Wollongong NSW 2500, Australia
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A. K. Tieu
A. K. Tieu
Department of Mechanical Engineering, The University of Wollongong, Wollongong NSW 2500, Australia
Search for other works by this author on:
P. B. Kosasih
Department of Mechanical Engineering, The University of Wollongong, Wollongong NSW 2500, Australia
A. K. Tieu
Department of Mechanical Engineering, The University of Wollongong, Wollongong NSW 2500, Australia
J. Tribol. Oct 1993, 115(4): 591-596 (6 pages)
Published Online: October 1, 1993
Article history
Received:
February 26, 1992
Revised:
June 25, 1993
Online:
June 5, 2008
Citation
Kosasih, P. B., and Tieu, A. K. (October 1, 1993). "A Transition-Turbulent Lubrication Theory Using Mixing Length Concept." ASME. J. Tribol. October 1993; 115(4): 591–596. https://doi.org/10.1115/1.2921680
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