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ARTICLE
Year : 2011  |  Volume : 1  |  Issue : 2  |  Page : 74-82

Thermal Analysis of Orifice-Compensated Symmetric Hole-Entry Hybrid Journal Bearings


Department of Mechanical Engineering, Guru Jambheshwar University of Science and Technology, Hisar - 125 001, Haryana, India

Correspondence Address:
H C Garg
Department of Mechanical Engineering, Guru Jambheshwar University of Science and Technology, Hisar - 125 001, Haryana
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0976-8580.86637

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The present work describes the fluid-film pressure (p) distributions, fluid-film thickness (h) profiles and fluid-film temperature (Tf) distributions of orifice-compensated symmetric hole-entry hybrid journal bearing considering the combined influence of rise in temperature and non-Newtonian behavior of the lubricant. The required governing equations have been solved using the finite element method and a suitable iterative technique. The non-Newtonian lubricant has been assumed to follow the cubic shear stress law. The computed results illustrate that variation of viscosity due to rise in temperature and non-Newtonian behavior of the lubricant affects the performance of symmetric hole-entry hybrid journal bearing system quite significantly.


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