The investigation results showed that this method possessed clear and definite physical meaning and high accuracy, realizing the programmed computation of the area of complex orifice in spool valve. 研究结果表明本计算方法物理意义明确、精度高,实现了复杂阀口面积计算的程序化。
However, there has been only a little amount of information about the transient flow structure in the spool valve because of the essential difficulty of its unsteadiness. 可是,滑阀的瞬变流体结构由于其非稳定性的复杂所以有关的信息较少。
Right In the fluid control and shut down and so on, spool orientation is important for the spool valve core and valve. 对于流体的控制和关闭等,阀芯的导向十分重要,阀芯导向用于阀芯和阀座的对中配合。
Numerical Simulation of the Flow Field inside Hydraulic Spool Valve Based on Fluent 基于Fluent的液压滑阀内部流场的数值模拟
The characteristics of the hydraulic pipe orifice and spool valve under different conditions have been studied by numerical analysis. 对不同条件下液压阀节流孔口和滑阀的性能进行了仿真研究。
According to flow in a different, balanced spool valve the pressure can be pre-pressure, can also be a back pressure valve. 根据流向不同,平衡阀芯所受的压力可以是阀前压力,也可以是阀后压力。
The power stage of servovalves is spool valve, playing the role of hydraulic pressure amplifier. 电液伺服阀的功率级一般为滑阀,起液压放大器的作用。
Theis is of important value to determining filter fineness required for the spool valve in hydraulic system. 这对于确定液压系统中滑阀所需要的过滤精度具有重要价值。
Research on Steady Flow Force of Jet Oil Hydraulic Spool Valve 直喷式柱型液压阀流体稳态力的研究
Taking the wheel loader for example this paper has carried out the theoretical analysis and digital emulation of the hydraulic power steering system which is operated by under-lapped four edge spool valve with constant flowrate. 以轮式装载机为例,对恒流正开口四边滑阀所控制的液压动力转向系进行了理论分析与数字仿真。
Finite Element Analysis of Spool Valve Type Ultra-high Pressure Solenoid Valve 滑阀式超高压液压电磁换向阀静、动态分析
Effect of Alignability of Three-position Reversal Spool Valve on Internal Leakage Flowrate 三位液压换向滑阀对中性对其内泄漏量的影响
CFD Research on temperature field in radial clearance of hydraulic spool valve 液压滑阀径向间隙温度场的CFD研究
The paper uses spool valve system drawing equivalent to cartridge valve system drawing to design a typical hydraulic closed-circuit system consisting of two-way cartridge valve. 本文采用滑阀系统图等效成插装阀系统图的方法,设计出一种由二通插装阀组成的典型闭式系统。
Spool valves with different structure are analyzed on the basis of existing valves and their speed distribution, pressure distribution, and the effect on fluid axial force are gained by analyzing the flow state in the spool valve. 在现有阀内形状的基础上,针对不同几何结构,对柱型阀内流动状况进行分析,获得其对速度、压力分布和流体轴向力的影响。
Study on the Fast-acting Pneumatic Spool Valve with High Pressure and Self-acting Sealing Structure 自密封高压气动快速通断阀密封研究
The Effect of Flow Force on Operating the Spool Valve 液动力对滑阀使用的影响
An Analysis on Pneumatic Measurement of the Opening of sliding Spool Valve 滑阀开口量的气动测量分析
Visual Analysis on Flow Characteristics of Water Hydraulic Spool Valve 水压滑阀流动特性可视化分析
Simulation of Step Response for Fluid through a Spool Valve 液体通过滑阀的阶跃响应的仿真研究
Optimal Design and Dynamic Properties Simulation of Spool Valve Type Ultra-high Pressure Solenoid Valve 滑阀式超高压换向阀优化设计及动态仿真
The Spool valve is most widely used in hydraulic amplifier components. 滑阀是液压伺服系统中应用最为广泛的液压放大元件。
For measuring the four discharge characteristic lines of spool valve, and then calculates overlap values by regression method. 通过测量滑阀阀口四条流量特性曲线,利用回归的方法计算出滑阀的叠合量。
Firstly, MATLAB software is used to do a function resolution on flow area of the anomalous orifice spool valve, and numerical simulation on velocity and pressure distribution in the valve cartridge under different inlet flows and opening are done and the results are analyzed. 首先,对异形阀口滑阀的过流面积进行MATLAB数值解析,对不同流量、阀口开度下阀内的速度场和压力分布等做了数值模拟,并对数值计算或仿真结果做了分析。
The simulation results verify the theoretical analysis of twin spool valve asymmetrical cylinder system, and provide the instructive theoretical basis and the control method to research the twin spool valve technique. 仿真结果验证了双阀芯控制非对称缸系统的理论分析,为双阀芯系统的进一步研究提供了具有指导意义的理论依据和控制方法。
Experiment results show that all the models and simulation data are right and credible, and also verify the correctness of the theoretical analysis of twin spool valve asymmetrical cylinder system. 实验表明,所建模型和仿真数据是正确、可靠的,同时也验证了对双阀芯系统的理论分析正确性。
This paper adopts an new test method in simulation work conditions of spool valve of servo valve, which takes advantage of the hydraulic cylinder as the operating load of spool valve of servo valve, however the hydraulic cylinder works without operating load. 本文采用一种模拟伺服阀滑阀工作状况的新的测试方法,这种测试方法利用液压缸作为伺服阀滑阀的负载,而液压缸空载运行。
Hydraulic spool valve is one of the most widely used infrastructure control component in the hydraulic transmission and control technology. 液压滑阀是液压传动与控制技术中使用最广泛的基础控制元件。
As hydraulic tech is widely used in many fields, it is difficult for traditional single form spool valve to show a satisfactory control performance in many kinds of hydraulic system. 由于液压技术应用领域广泛,传统单一形式的滑阀很难在各种液压系统中都能表现出让人满意的控制效果。
The spool valve internal pressure, speed, flow, and other characteristics were researched, and the animation files which more profoundly reflect the internal flow field were produced. 分析了阀芯移动时滑阀内部的压力、速度、流量等特性,并制作了动画文件,更深刻地反映了滑阀内部流场的情况。