This study aims to address the steady-state analysis of a hydrodynamically lubricated bearing using SAE40 lubricant. Steady state characteristics of the bearing is investigated theoretically by considering the flow behaviour of SAE40 lubricant as Laminar. The modified governing equations for flow of lubricant in the clearance space are solved by using a finite difference method and certain prescribed boundary conditions. The influence of design related parameters, such as slip coefficient, eccentricity ratio, characteristics length of the fluid particle presents in the lubricant, bearing performance characteristics etc. have been investigated on bearing performance characteristics like load capacity, end flow rate, Sommerfeld number keeping the former one variable and other parameters constant for each of the bearing characteristic. The results are plotted in the form of graphs and can be utilized during the design of the Journal Bearing so that the working efficiency of the general bearing can be enhanced. By providing insights into the performance metrics of bearings using SAE40 lubricant, this study contributes to optimizing bearing design and improving the reliability of mechanical systems.

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Steady State Performance Analysis of a Hydrodynamically Lubricated Bearing Under SAE40 Lubricant

  • Shitendu Some

摘要

This study aims to address the steady-state analysis of a hydrodynamically lubricated bearing using SAE40 lubricant. Steady state characteristics of the bearing is investigated theoretically by considering the flow behaviour of SAE40 lubricant as Laminar. The modified governing equations for flow of lubricant in the clearance space are solved by using a finite difference method and certain prescribed boundary conditions. The influence of design related parameters, such as slip coefficient, eccentricity ratio, characteristics length of the fluid particle presents in the lubricant, bearing performance characteristics etc. have been investigated on bearing performance characteristics like load capacity, end flow rate, Sommerfeld number keeping the former one variable and other parameters constant for each of the bearing characteristic. The results are plotted in the form of graphs and can be utilized during the design of the Journal Bearing so that the working efficiency of the general bearing can be enhanced. By providing insights into the performance metrics of bearings using SAE40 lubricant, this study contributes to optimizing bearing design and improving the reliability of mechanical systems.