Research on the Characteristics of"Gas Spring-Damping"Modified Model Bladder-damper Based on Dynamic Grid Technology
To solve the problem of pipeline flow and pressure pulsation,this paper designs a throttle multi-bladder combined structure damper.The orifice plate structure mainly plays a throttling and damping role for high-frequency pulsating fluid,and the multi-bladder structure mainly plays a damping and attenuation role for low-frequency pulsating fluid.As a result,the damper can play a better attenuation role in a wider frequency range and can effectively broaden the working frequency band of the damper.The experimental study shows that the developed throttle multi-bladder combined structure damper has a comprehensive attenuation ef-fect of more than 78%on the pulsating fluid within the range of 35Hz～77Hz,and has a wide working frequency band.By maintain-ing different initial inflation pressures for the five bladders in the throttle multi-bladder combined structure damper,the damper can maintain a good attenuation rate in a wide frequency range.
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