Pulsation Suppression Characteristics of In-lined Bladder Style Pressure Attenuator

doi:10.3969/j.issn.1004-132X.2023.08.009

China Mechanical Engineering ›› 2023, Vol. 34 ›› Issue (08): 948-954.DOI: 10.3969/j.issn.1004-132X.2023.08.009

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Pulsation Suppression Characteristics of In-lined Bladder Style Pressure Attenuator

XI Yi1;LI Baoren2;WAN buyan1;XU Jingwei1

1.National-Local Joint Engineering Laboratory of Marine Resources Exploration Equipment and Safety Technology，Hunan University of Science and Technology，Xiangtan，Hunan，411201
2.School of Mechanical Science and Engineering，Huazhong University of Science and Technology，Wuhan，430074

Online:2023-04-25 Published:2023-05-17

串联囊式压力脉动衰减器的脉动抑制性能

习毅1;李宝仁2;万步炎1;许靖伟1

1.湖南科技大学海洋矿产资源探采装备与安全技术国家地方联合工程实验室，湘潭，411201
2.华中科技大学机械科学与工程学院，武汉，430074

作者简介:习毅，男，1988年生，讲师。研究方向为液压系统的减振降噪、液压元件设计与优化。发表论文10余篇。E-mail：xiyi1235@163.com。
基金资助:
湖南省科技厅重大专项（2020GK1021）；湖南省教育厅科学研究项目（20C0825）

Abstract

Abstract: Aiming at the problems for low accuracy of the calculation method for pulsation suppression performance and unclear pulsation suppression mechanism of in-lined bladder style pressure pulsation attenuator（bladder attenuator）， an improved acoustic-solid coupling finite element method was proposed to calculate the pulsation suppression characteristics of bladder attenuator， which was based on the acoustic impedance calculation of micro-perforated plates by micro-perforation theory. The effect laws of system operating pressure， inflation pressure， main structural parameters， and bladder material on the pressure pulsation suppression characteristics were studied. The correctness of the proposed calculation method and theoretical analysis results were verified by experiments.

Key words: pressure pulsation, attenuator, transmission loss, noise and vibration

摘要： 针对串联囊式压力脉动衰减器脉动抑制性能计算方法精度不高且脉动抑制机理尚不明确的问题，在采用微穿孔理论计算微穿孔板声阻抗的基础上，提出了改进的声固耦合声学有限元法来获得串联囊式衰减器的脉动抑制特性，得到了系统工作压力、充气压力、主要结构参数、气囊材料等对压力脉动衰减特性的影响规律。实验验证了所提计算方法及理论分析结果的正确性。

关键词: 压力脉动, 衰减器, 传递损失, 振动噪声

CLC Number:

TG138

XI Yi, LI Baoren, WAN buyan, XU Jingwei. Pulsation Suppression Characteristics of In-lined Bladder Style Pressure Attenuator [J]. China Mechanical Engineering, 2023, 34(08): 948-954.

习毅, 李宝仁, 万步炎, 许靖伟. 串联囊式压力脉动衰减器的脉动抑制性能[J]. 中国机械工程, 2023, 34(08): 948-954.

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Pulsation Suppression Characteristics of In-lined Bladder Style Pressure Attenuator

串联囊式压力脉动衰减器的脉动抑制性能

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