The Magnetorheological Damper Structure And Performance,

MRF damper is a new type of intelligential mechanical action controller, which has a good application prospect in many fields. It has very important significance to develop good performance of MRF damper. For this purpose, some relevant researches are made to change the structure of the damper to improve the performance. Concrete content as follows:1. Based on Bingham model and the theory of fluid mechanics, a mathematical expression is set up to describe the performance of the shear valve type MRF damper. This paper analyzes each structure parameters of the MRF damper how to influence its performance.2,Concentrated on the elaborate designing, a new type of Clearance structure equipping boss is designed The finite element analysis method is applied to analyze magnetic field and flow field of the MRF damper with a new type of structure. Compared the performance to the original damper, the designed clearance structure equipping boss can improve the performance of the damper.3,Under a certain piston speed and electricity current situation, finite element analysis method is used to study the three parameters of clearance structure equipping boss how to influence the performance of MRF damper. Through the comparative analysis, the most optimal combination of the three parameters is found out. This conclusion this chapter provided in the structure of MRF damper designs has a commendable practical applicability.4,Considering the anisotropism of magnetic field and the flow field in interstitial structure, the traditional Bingham model using in the flow field analysis has been improved. Through the method of finite-element analysis, the structure of the MRF damper is analyzed under the function of two dimensional stresses. This paper probes and sets up a relatively simple and precise calculation model and method that can be implemented in ANSYS platform.