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A Novel Shear Mode MR Damper and Its Mechanical Performance 被引量:1
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作者 Kyongsol Kim Zhaobo Chen +1 位作者 Yang Zhang Inchol Kim 《Journal of Harbin Institute of Technology(New Series)》 EI CAS 2017年第3期31-38,共8页
This paper presents a linear shear mod magneto-rheological(MR) damper which can be applied to vibration control system.The proposed MR damper featured by a small amount of MR fluid,absence of a gas chamber or diaphrag... This paper presents a linear shear mod magneto-rheological(MR) damper which can be applied to vibration control system.The proposed MR damper featured by a small amount of MR fluid,absence of a gas chamber or diaphragm and piston with helix slotted.Because of the absence of a gas chamber or diaphragm,unnecessary damping force caused by gas compression is not generated.Magnitude and damping coefficient of damping force are two important indexes to evaluate performance of MR damper.The piston with helix slotted is developed based on mechanical analysis on rheological characteristics of MR damper,and the damping performance of MR damper with helix slotted piston is investigated through performance experiments and comparison with analytical simulation.The results indicate that helix slot may increase friction coefficient on surface of the piston,and improve the maximum damping force without reducing damping coefficient of the damper.The reflux of MR fluid may be increased by adjusting helix angle suitably,which avoids the settlement of MR fluid. 展开更多
关键词 shear mod mr damper small AMOUNT of mr fluid friction COEFFICIENT damping COEFFICIENT
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