A new developed computer system for data acquisition and analysis used in hydraulic relief valve performance test is introduced.
研制出一种液压溢流阀动态性能教学实验计算机数据采集与分析系统。
In this paper, a test system of electromagnetic performance of solenoid valve is introduced. Its hardware structure and relevant software are discussed.
主要介绍电磁阀电磁性能测试系统的硬件结构，简要阐述了相关软件。
This paper introduced that the structure, testing principle and boundary design of the system software for test system of the performance core of security valve.
介绍了安全阀铁心磁性能测试系统的结构、测量原理。系统软件界面设计。
The structure, testing principle and boundary design of the system software for test system of the performance core of security valve are introduced in this paper.
介绍了安全阀铁心磁性能测试系统的结构、测量原理、系统软件界面设计。
The test has verified the effect of the initial angle of the throttle valve and the number of workable coils of the spring on the engine′s performance and speed governoring characteristics.
通过试验可证实节流阀初始角及弹簧工作圈数对发动机性能及限速特性的影响。
The test results show that the electro-pneumatic proportional valve based on PWMtechnology features smooth performance and conforms to the requirement by electro-pneumatic braking system.
试验结果表明，采用基于PWM技术的电空比例阀具有较好的性能，能够满足电空制动系统的要求。
Static performance and frequency response test curves of the servo valve are given.
文中还给出了该阀的实验静态性能及动态频率特性曲线。
This article introduces the performance testing device on the railway wrecking car WYZ-8A active control valve board, and explains the testing method of each performance test in details.
介绍了铁路救援机车WY Z -8a型主控制阀板的性能测试装置，详细说明了各项性能测试的试验方法。
A leakage detecting device for liquid valve was developed based on the theory of acoustic emission, and corresponding experimental system was designed to test its performance.
以声发射理论为基础，研制了一种适用于液体阀门泄漏检测的装置，设计了相应的试验台架并对其检测性能进行了试验研究。
JLD series hydraulic valve testing bench is a set of mechanical, hydraulic, pressure test liquid media storage cycle used in one, with perfect function, stable performance, high degree of automation.
JLD型系列液压阀门测试台是集机电、液压、试压液体介质贮存循环使用于一体，具有功能完善、性能稳定、自动化程度高等特点。
The numerical simulation was used to analyze the flow characteristics of cryogenic throttle valves. A test bench was also built up to investigate the performance of the different valve needles.
运用数值模拟方法分析了节流阀的流量特性，并运用实验的手段测量了其流量系数与阀门开度之间的关系。
The numerical simulation was used to analyze the flow characteristics of cryogenic throttle valves. A test bench was also built up to investigate the performance of the different valve needles.
运用数值模拟方法分析了节流阀的流量特性，并运用实验的手段测量了其流量系数与阀门开度之间的关系。
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