With recent advancements and advent of industry 4.0 model, industries are transforming the traditional methods to intelligent and digitization techniques, which create high demand for scientific and effective health management of mechanical equipment. The aim of this paper is to do a comparative study of different fault diagnosis techniques in rolling elements bearing. It will also help to better understand the process and approaches of all types of fault detection techniques, which will give new insights for the research leading to further improvement in the performance of rolling elements bearing. Early and accurate identification of the fault is of paramount importance, as it can help to further prevent the wear and tear of the machine and to preserve the rolling machine work in a healthy atmospheric state.
The current research work deal with the fluid structural and computation fluid dynamic analysis of hydrostatic bearing fluid film by using ANSYS software. Journal bearing consist of different grade of oil or fluid for lubrication purpose and here we have taken two different grade of SAE 20 and SAE 40 liquid. The Reynolds equation, which is a function of film thickness, is satisfied by the pressure in the oil film in a fluid film bearing. The current work based on the calculation of deformation of bearing due to loading condition by using length to diameter ratio (L/D) [1] and different eccentricity ratio. The ratio of length and diameter is consider as 0.5 and the eccentricity is vary from 0 to 1.0 with interval of 0.2 and start with 0.3 as 0.3, 0.5, 0.7 and 0.9 the lubricant SAE 20 & SAE 40 is consider for analysis with same boundary condition and final output is compared for both liquid lubricant. The CFD analysis and structure analysis is performed by using ANSYS software and first we apply the CFD simulation and the output is linked with structure workbench to apply the pressures on bearing.
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