In order to restrain the pressure shock of the warship rudder hydraulic system,a new device was designed to eliminate the vibration,integrating with gasbag,magneto-rheological fluid damper and damping hole.By consulting the hydraulic handbook,the volume and pressure parameters of the gasbag were determined.The parameters of the damping hole-number,diameter and length were determined based on AMESim simualtion.Finally,the parameters of magnetic rheological fluid damper were determined in combination with the magnetic rheological fluid damper manufactured by Lord company.The model of the modified accumulator was established based on AMESim.The results show that the insertion loss of the modified accumulator is more than 15 dB in pressure impact model;under the flow pulsation model,the insertion loss is more than 10 dB when the flow pulsation frequency is more than 100 Hz.The insertion loss increases with the increase of the flow pulsation frequency.
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杨志强,彭利坤,宋飞,陈佳.改进型蓄能器设计与分析[J].机床与液压,2023,51(24):92-97. YANG Zhiqiang, PENG Likun, SONG Fei, CHEN Jia. Design and Analysis of Modified Hydraulic Accumulator[J]. Machine Tool & Hydraulics,2023,51(24):92-97