throttling valve

The concept and features of pure water hydraulics And the operating principle as well as the control system designing of digital throttling valve are introduced in this paper;

介绍了水液压技术的概念及其特点，论述了直控步进式水压数字节流阀的工作原理及其控制系统的设计。

In order to lower the throttling losses in the CO 2 transcritical cycle, the significant measure is to replace the throttling valve by an expander.

为降低CO2跨临界循环的节流损失，开发膨胀机代替节流阀是研究的重要方向。

A malfunction caused by localizer excursion of liquid-nitrogen throttling valve in an air separation unit

一起液氮节流阀定位器漂移引发的空分设备故障

This paper illustrates operation principle of the digital throttling valve and design of its control system.

论述了直控步进式水压数字节流阀的工作原理及其控制系统的设计。

The automatic test has been realized by adopting the proportional throttling valve for loading and by use of the CAT technology based on the virtual instrument.

系统采用比例节流阀加载方法以及基于虚拟仪器的CAT技术，实现了测试过程的自动化。

And experimental research on performance of the CO2 transcritical water-to-water heat pump cycle system with expander or throttling valve was executed.

同时还对带膨胀机或节流阀的CO2跨临界水-水热泵循环系统进行了实验研究。

According to the comparison results of throttling valve cycle and the expander cycle, the expander effect on the efficiency is demonstrated.

与采用节流阀的CO2跨临界循环系统的对比实验验证了CO2滚动活塞膨胀机对于提高效率的作用。

Study of water digital throttling valve controlled by microcomputer

水压数字节流阀微机控制的设计研究

Based on the above principle, a CO2 swing type expander was developed to take the place of the throttling valve in the system to recover power during the expanding process.

针对以上问题，研究开发了CO2摆动转子式膨胀机以代替系统中的节流阀回收膨胀过程能量。

The transcritical carbon dioxide rolling piston expressor ( expander-compressor) is developed to replace the throttling valve in the CO2 transcritical cycle for the improvement of the performance efficiency of the CO2 transcritical cycle and decreasing larger throttling losses.

为提高二氧化碳跨临界循环效率，解决系统节流损失大的问题，研究开发了新型的滚动活塞转子式压缩膨胀机，来代替二氧化碳跨临界系统中的节流阀。

Study on Growth Characteristics of Cavitation Bubble in Throttling Grooves of Hydraulic Valve

液压阀节流槽内气穴气泡生长特性的研究

Performance Comparison and Analysis for Inverter driven Air Conditioners Throttling with Electronic Expansion Valve and Capillary Tube

小功率变频空调器采用电子膨胀阀与毛细管节流的性能对比分析

As the replacement of throttling valve, CO_2 expander is a significant way to improve the coefficient of performance of the CO_2 transcritical cycle.

开发CO2膨胀机代替节流阀是提高CO2跨临界循环系统性能系数的一个有效途径。

It is found in present water supply engineering project that throttling valve independent with big barrel grooves or virtual consumption can sustain constant pressure water supply.

在现行送水工程中发现，不靠大桶槽或虚耗能源的节流阀能维持恒压供水，是送水工程中的技术挑战之一。

The body of BT25 is constructed by a pilot throttling valve with position feedback and a pressure compensated valve.

BT25阀的可控流量大，工作压力高、有较高的控制精度。