Document Type: Research Paper

Authors

1 Department of Mechanical Engineering, IET, GLA University, Mathura, U>P. INDIA, 281406

2 Department of Mathmetics, IAH, GLA University, Mathura, U.P., INDIA, 281406

Abstract

There are many industrial application of axial grooved journal bearing especially in turbo machinery. The stability is a very big issue for researcher, in high speed rotating machines. The axial groove journal bearing have a capacity to reduce the vibration and ability to resolve the heating problems as well as stability at higher speed. Dynamic performance parameters and stability of axial grooved hybrid journal bearings depend on the dimensions and orientations of groove in a great extent at higher speeds. In this work, a FORTRAN program has been used to solve Reynolds governing equation. The bearing performance characteristics have been simulated for the various dimensions and orientation of groove. Non linear journal centre trajectories are drawn for different Reynolds number for stability analysis. It has been found that the smaller groove length has resulted in lower bearing capacity whereas smaller groove width yielded higher bearing capacity and the turbulence decreases the stability. The groove location also strongly affects most performance parameter. The optimum location of groove axis was obtained between 60 degree to 90 degree to the load line.

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Main Subjects

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