FLUX DEVIATING TECHNIQUE TO ENHANCE THE TOTAL MAGNETIC FLUX DENSITY IN THE FLUID FLOW GAP OF A MONOTUBE SINGLE COIL MR DAMPERJournal: International Journal of Mechanical and Production Engineering Research and Development (IJMPERD ) (Vol.9, No. 3)
Publication Date: 2019-06-30
Authors : Ganesha. A; A. Amar Murthy;
Page : 745-752
Keywords : Magnetostatic Analysis; MR Damper; Monotube; Diamagnetic & Flux Deviating Technique;
Magneto-Rheological (MR) fluids having the magnetic field dependent viscosity is responsible for the variable damping coefficient of MR dampers. The energy dissipated by the MR damper has a direct influence of the total magnetic flux density in the fluid flow gap. The total magnetic flux density is a function of geometric, material property and operating condition. In this paper, the flux deviating technique in the form of diamagnetictic coating is incorporated in the damper to enhance the total magnetic flux density in the fluid flow gap. The magnetostatic analysis is used to compute the magnetic flux density in the fluid flow gap of three different monotube single coil MR damper models. A significant increase in the flux density is observed in a model having a continuous diamagnetic coating. Further, a reduction in the flux density is observed for a damper model having a discontinuous coating.
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