1. 兰州理工大学能源与动力工程学院,兰州,730050
2. 甘肃省液压气动工程技术研究中心,兰州,730050
网络首发:2014-06-10,
纸质出版:2014
移动端阅览
闵为 1, 冀宏 1, 王峥嵘 1, 等. 单级压力调节阀的阻尼孔射流响应特性分析[J]. 西安交通大学学报, 2014,48(6):80-85.
Orifice Jet Response Characters in Pressure Regulating Valve[J]. 2014, 48(6): 80-85.
闵为 1, 冀宏 1, 王峥嵘 1, 等. 单级压力调节阀的阻尼孔射流响应特性分析[J]. 西安交通大学学报, 2014,48(6):80-85. DOI: 10.7652/xjtuxb201406014.
Orifice Jet Response Characters in Pressure Regulating Valve[J]. 2014, 48(6): 80-85. DOI: 10.7652/xjtuxb201406014.
为揭示带阻尼孔的压力调节阀的稳定性机理
运用流固耦合方法计算了阶跃和周期性流量脉动信号激励下阀芯的响应过程
得出了不同阀腔结构条件下阀芯的轴向振动特征和阀口前端阀芯表面压力分布及其变化规律。研究发现
阀内阻尼孔射流流束冲击阀芯表面
使得阀口前端阀芯表面呈现射流冲击区和静压区两部分
阀芯的轴向振动幅值主要取决于射流冲击区和静压区二者液压力的相位差
当静压区和射流冲击区的液压力相位差趋于180°时
阀芯及其轴向振动幅值将大幅减小。研究结果为压力调节阀的设计提供了新思路。
To reveal the stability essence of pressure regulating valve with orifice
the response process of a poppet under the action of step and periodic excitation signal was simulated with fluid structure interaction algorithm. The axial vibration character of the poppet
the surface pressure distribution and varying rule of the poppet in front of valve port of different valve chamber structures were analyzed. It is found that the jet shock to the poppet divides poppet surface in front of valve port into jet impingement area and static pressure area
the vibration amplitude of the poppet depends on phase difference of the fluid force in jet impingement area and static pressure area
and is greatly reduced while the phase difference approaches to 180°.
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史文库,毛阳,姜雪,等.发动机半主动液压悬置的动态特性及参数影响分析.2014,48(1):42-47.[doi:10.7652/xjtuxb 201401008]
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王健健,张建富,冯平法,等.楔式动力卡盘静态夹持精度建模与综合.2013,47(3):90-95.[doi:10.7652/xjtuxb201303 017]
沈楚敬,苑士华,魏超,等.液压压紧式牵引传动装置传动效率研究.2012,46(7):32-37.[doi:10.7652/xjtuxb201207007]
张慧贤,寇子明,吴娟,等.液压激波作用下管道流固耦合的动力学建模.2012,46(3):94-99.[doi:10.7652/xjtuxb2012 03017]
于安才,姜继海.液压混合动力挖掘机回转装置控制方式的研究.2011,45(7):30-33.[doi:10.7652/xjtuxb201107006]
卢为,成永红,王增彬,等.环氧及其复合材料在变压器油中的快脉冲闪络特性.2010,44(10):83-87.[doi:10.7652/xjtuxb201010016]
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江小霞.三向地震模拟平台控制系统的研究.2009,43(10):16-21.[doi:10.7652/xjtuxb200910004]
魏树国,赵升吨,张立军,等.直驱泵控式液压机液压系统的动态特性仿真及优化.2009,43(7):79-82.[doi:10.7652/xjtuxb200907017]
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