In this study, a segregated Finite Element Method (FEM) in the Petrov Galerkin framework with suitably defined Streamline Upwind Petrov Galerkin (SUPG) weight functions for a non-isothermal flow with temperature dependent density and viscosity in a high speed slider bearing has been proposed. The nonlinear partial differential equations (PDEs) governing the mass, momentum and energy conservations in thermohydrodynamic lubrication (THDL) of a high speed slider bearing with injection effects has been numerically analyzed for temperature, velocity and pressure fields. To assess the influence of the injection boundary condition on load generation and frictional drag in a slider bearing results have been compared with those from a study devoid of injection effects. Further the influence of consideration of fore-region pressure, geometrical configuration of a slider bearing, Peclet Number and thermoviscosity co-efficient in conjunction with oil injection effect on the load carrying capacity has been investigated. Oil injection is observed to bring in not only a gain in load carrying capacity but also a reduction in frictional drag and a reduction in the temperature specially in the vicinity of pad.
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October 2001
Technical Papers
A Segregated SUPG/FEM for THDL Analysis In High Speed Slider Bearings With Injection Effect
B. V. Rathish Kumar
B. V. Rathish Kumar
Department of Mathematics, Indian Institute of Technology, Kanpur-208016, India
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B. V. Rathish Kumar
Department of Mathematics, Indian Institute of Technology, Kanpur-208016, India
Contributed by the Tribology Division for publication in the ASME JOURNAL OF TRIBOLOGY. Manuscript received by the Tribology Division June 20, 2000; revised manuscript received September 26, 2000. Associate Editor: J. Fre^ne.
J. Tribol. Oct 2001, 123(4): 732-741 (10 pages)
Published Online: September 26, 2000
Article history
Received:
June 20, 2000
Revised:
September 26, 2000
Citation
Kumar, B. V. R. (September 26, 2000). "A Segregated SUPG/FEM for THDL Analysis In High Speed Slider Bearings With Injection Effect ." ASME. J. Tribol. October 2001; 123(4): 732–741. https://doi.org/10.1115/1.1339980
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