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Effect of Viscosity on the Transmissibility of a Magnetorheological Damper

Journal: International Journal of Science and Research (IJSR) (Vol.3, No. 6)

Publication Date:

Authors : ; ;

Page : 206-209

Keywords : Magnetorheological fluid; Magnetic circuit; Magnetic Saturation; Viscosity; Transmissibility.;

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"Magneto-Rheological (MR) dampers are semi- active control devices that use MR fluids to produce controllable dampers. The advantage of MR dampers over conventional dampers are that they are simple in construction, compromise between high frequency isolation and natural frequency isolation, they offer semi-active control, use very little power, have very quick response, has few moving parts, have a relax tolerances and direct interfacing with electronics. Magneto- Rheological (MR) fluids are Controllable fluids belonging to the class of active materials that have the unique ability to change dynamic yield stress when acted upon by an magnetic field. This property can be utilized in MR damper where the damping force is changed by changing the rheological properties of the fluid magnetically. Semi-active control devices have received significant attention in recent years because they offer the adaptability of active control devices without requiring the associated large power sources. The critical parameter in this design is the gap distance between the piston and cylinder a prototype damper was designed, built, and tested for various blends of MR fluid withpercentage 40% (by weight of oil in damper) damper performance is observed and corresponding transmissibility of damper is plotted. MR Fluid Blends was prepared with Silicon oil having Viscosity 100cst & Fork oil having Viscosity 71cst. "

Last modified: 2014-06-20 19:15:26