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工业通用技术及设备
Water Hammer Model of Shock Absorber Throttle Slice
In allusion to easy invalidation of damping valve in vehicle shock absorber caused by the impact from the road surface,the importance of the study of damping valve water hammer pressure is presented.The physical model of damping valve with the circle throttle slice is established.The time for the throttle slice deformation is studied by using the finite software,and the laws that how the structure parameters affect the deformation time are obtained.Combining the theory of water hammer,the water hammer initial and boundary condition of the damping valve is deduced,and the water hammer model of throttle slice is established.The analysis of simulation results indicates that the water hammer pressure amplitude and the amount of water hammer oscillation period can be reduced and the dependability of the valve can be enhanced by modifying the structure parameters and aperture width between slice and valve body.
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Journal of Beijing Institute of Technology
2008年01期
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