A basic design method of doubly acting fluid viscous dampers with double guide bars is presented. The flow of the viscoelastic fluid between two parallel plates, one of which is started suddenly and the other of which is still, is analyzed. According to this solution, the velocity and the shear stress of the fluid at the fringe of the piston are solved approximately. A mathematical model of viscous dampers is derived, and the shock test is carried out. From experimental results, the parameters of the mathematical model are determined. Consequently, a semi-empirical design equation is obtained. Applying this equation to a certain practical damper, the damping material is chosen and the physical dimensions of the damper are determined. Shock tests using this damper are performed. Theoretical results are in good agreement with experimental results, which validates the reliability of the calculated physical dimensions of the specimen damper and the validity of the basic design equation.


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    Title :

    Design method for fluid viscous dampers


    Additional title:

    Entwurfsmethode für viskose Flüssigkeitsdämpfer


    Contributors:
    Jia, Jiuhong (author) / Du, Jianye (author) / Wang Yu (author) / Hua, Hongxing (author)

    Published in:

    Publication date :

    2008


    Size :

    10 Seiten, 5 Bilder, 4 Tabellen, 16 Quellen




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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