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基于乌贼射流孔的仿生水液压阀抗空化结构研究

发表时间:2019-04-30  浏览量:1410  下载量:188
全部作者: 陈思青,钱玉峰,徐贺,王海行,张永辉,朱乐
作者单位: 哈尔滨工程大学机电工程学院;江苏亿阀股份有限公司
摘 要: 为研究如何减少空化现象对水液压系统的影响,以一种双口恒定流量的数字阀作为实验对象,通过对乌贼和该阀的仿生理论的讨论和相似度对比,提出一种类乌贼射流孔的仿生结构。利用计算机流体力学理论,使用ANSYS软件进行流体仿真实验。最后对通过仿真得出的压力图、流量矢量图和混合相图之间的关系进行分析,证明使用该结构能够抑制阀芯密封面空化现象的出现,并将大部分气泡转移到非重要区域,从而达到减少空化现象对水液压系统影响的目的。
关 键 词: 流体传动与控制;空化现象;水液压;仿生
Title: Study on anti-cavitation structure of bionic water hydraulic valve based on squid jet hole
Author: CHEN Siqing, QIAN Yufeng, XU He, WANG Haihang, ZHANG Yonghui, ZHU Le
Organization: College of Mechanical and Electrical Engineering, Harbin Engineering University; Jiangsu E-Valve Limited Company
Abstract: In order to study how to reduce the influence of cavitation phenomenon on water hydraulic system, in this paper, a bionic structure of squid jet hole is presented by discussing and comparing the bionic theory of squid and the digital valve of double port constant flow as the object. Using the theory of computer fluid dynamics, the fluid simulation experiment is carried out with ANSYS software. Finally, by analyzing the relationship between the pressure diagram, flow vector diagram and mixed phase diagram obtained by simulation, it is proved that the use of this structure can inhibit the cavitation phenomenon on the sealing surface of the spool and transfer most of the bubbles to non-important areas, so as to reduce the influence of cavitation phenomenon on the water hydraulic system.
Key words: fluid power and control; cavitation phenomenon; water hydraulic; bionics
发表期数: 2019年4月第2期
引用格式: 陈思青,钱玉峰,徐贺,等. 基于乌贼射流孔的仿生水液压阀抗空化结构研究[J]. 中国科技论文在线精品论文,2019,12(2):281-291.
 
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