Theoretical and experimental evaluation of the flow behavior of a magnetorheological damper using an extremely bimodal magnetic fluid (original) (raw)
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Magnetorheological (MR) fluid damper are semi active control device that have been applied a wide range of practical vibration control application. In this study, the methodology adopted to get a control structure is based on the experimental results. An Experiment has been conducted to establish the behavior of the MR damper. In this paper, the behavior of MR damper is studied and used in implementing vibration control. In this paper we investigated theoretically at fabricated Magnetorheological damper by using different Magnetorheological fluid. Here two types of MR fluid developed first by mixing of prepared nano size iron particle Feo, Fe2o3, and second Fe3o4. And a comparative study had done between these iron particles prepared MR fluid. Here an experimental performed on fabricated MR damper and discussed the behavior of MR damper. The beneficial properties of magnetorheological fluids are applied in the design and testing of a prototype suspension system. Because viscosity of these fluids increased tremendously under the influence of a magnetic field, a suspension shock absorber containing magnetorheological fluids fluid is proposed. The shock system tested displayed resistance to motion with respect to the magnetic field strength.
Experimental Researches on the Dynamic Behavior of the Magnetorheological Damper
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In the context of improving the comfort and dynamics of the vehicle, the suspension system has been continuously developed and improved, especially using magnetorheological (MR) shock absorbers. The development of this technology which is relatively new has not been easy. Thus, the first widespread commercial use of MR fluid in a semi-active suspension system was implemented in passenger cars. The magnetorheological shock absorber can combine the comfort with the dynamic driving, because it allows the damping characteristic to be adapted to the road profile. The main objective of the paper is to analyze the dynamic behavior of the magnetorheological shock absorber in the semi-active suspension. In this sense, the author carried out a set of experimental measurements with a damping test bench, specially built and equipped with modern equipment. The results obtained from the experimental determinations show a significantly improved comfort when using a magnetorheological shock absorbe...
Magnetorheological (MR) fluid damper are semi active control device that have been applied a wide range of practical vibration control application. In this study, the methodology adopted to get a control structure is based on the experimental results. An Experiment has been conducted to establish the behaviour of the MR damper. In this paper, the behaviour of MR damper is studied and used in implementing vibration control. The force displacement and force‐velocity response with varying current has been established for the MR damper. In this paper we investigated theoretically at fabricated Magnetorheological damper by using Magnetorheological fluid. Here MR fluid developed first by mixing of prepared nano size (fe3o4) iron particle by co precipitation method. And a comparative study had done between these iron particles prepared MR fluid. Here an experimental performed on fabricated MR damper and discussed the behaviour of MR damper.