Abstract
This paper presents an analysis of the effect of roughness parameters in the presence of magnetic fluid as a lubricant in an inclined plane hydrodynamic slider bearing. The underlying mathematical model is based on the hydrodynamic lubrication in a piston ring-cylinder assembly in an IC engine. Here, the magnetic fluid is used instead of conventional lubricant and external magnetic field is used to magnetize the magnetic fluid which can be produced using permanent magnet or electromagnet by installing it around the cylinder surface. The problem is motivated by the fact that magnetic fluid lubrication is extensively used in many engineering applications like in machine tools, gears, sliding contact bearings, clutch plates, etc. The analysis consists of the solution of the associated stochastically averaged Reynolds’ equation for the underlying problem under various combinations of roughness parameters with magnetization parameter. In addition, the graphical results present the friction and load carrying trends with respect to the statistical roughness pattern parameters. The results indicate that the performance of the bearing can be improved through the use of a magnetic fluid as the lubricant as compared to the conventional lubricant. Moreover, the adverse effect of roughness and friction can be minimized by increasing the strength of the magnetic field to a substantial level. The analysis is thus representing a numerical proof of the mathematical soundness of the roughness theory combined with the magnetization effect in a very important mechanical component like a piston ring-cylinder assembly in an IC engine.
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Panchal, G.C., Patel, H.C., Patel, N.S., Deheri, G.M. (2019). The Effect of Magnetic Fluid Together with Transverse Roughness Pattern Parameters on the Performance of a Plane Slider Bearing. In: Abdel Wahab, M. (eds) Proceedings of the 1st International Conference on Numerical Modelling in Engineering . NME 2018. Lecture Notes in Mechanical Engineering. Springer, Singapore. https://doi.org/10.1007/978-981-13-2273-0_13
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