This paper examines the problem of observing the state of fluid pipeline transients.
本文讨论了管内瞬变流这一类双曲型非线性分布参数系统的状态观测问题。
The utility model relates to a metal hose that is used for a fluid pipeline, in particular to a metal hose that is used for oil, water and gas pipeline of a locomotive car and orbit traffic vehicles.
本实用新型涉及用于流体管路的金属软管，尤其涉及机车及轨道交通车辆的油、水、气管路的金属软管。
The pressure surge in fluid transmission pipeline is one of the basic characteristics of fluid dynamic flow.
流体传输管道内的压力脉动反映了流体动态流动的基本特性。
This paper analyzes the influence of the test device cycling characteristic for fluid dynamic characteristic on the pulsation pressure measurement in seawater pipeline system.
分析了流体动态特性实验台架本身的自循环特性对海水管路系统中脉动压力测量的影响。
The proposed drag reduction mechanism and drag reduction method are valuable both theoretically and in engineering to realize the low drag pipeline transport of highly viscous fluid.
所提出的减阻机理及工程减阻方法对实现高粘度流体的低阻力管道输送具有重要的理论指导意义和工程应用价值。
The fluid load in pipeline is calculated, that is calculating the pressure distribution of pipeline.
计算管线内部流体荷载，也就是管系的压力分布计算。
Full bore pipeline ball valves the channel diameter and the same diameter, only a small fluid resistance, but also easy to clean pipes.
全通径球阀的通道内径与管线内径一致，不但流体阻力小，也便于管道清理。
Hence, the intensive study on intelligent diagnosis and localization approach of leak for fluid transporting pipeline is important on theory and application.
因而深入研究流体输送管道泄漏的智能诊断与定位方法，不但具有重要的理论意义，而且也具有巨大的实际应用价值。
The hydraulic calculation method for fluid delivery pipeline system of centrifugal pump and the method of determining the pump installation height are introduced.
简述离心泵和管路的特性，介绍离心泵流体输送管路系统的水力计算方法，以及如何确定泵的安装高度。
By testing the hydraulic system of 200mn press, it is shown that the coupling vibration of power fluid and pipeline is the main vibration source of the system.
通过测试200MN油压机液压系统表明动力流体和管路的耦合振动是液压系统主要的振动源。
A mathematical model for accidental gas release in long transmission pipeline was given, on the basis of computational fluid mechanics.
应用计算流体力学理论，给出了长输管线气体泄漏率新的计算方法。
Pipeline is widely used in petroleum, chemical and other industries as an important conveying fluid equipment.
管道作为输送流体的重要设备，广泛应用于石油、化工等行业中。
This is an introduction of features of fuel fluid heater, calculation of heating quantity, and method of pipeline connection for buses and coaches.
介绍客车燃油液体加热器的特点、供暖量的计算及管路的连接方法。
The suction facilities include the pipeline from the suction fluid surface to the inlet of the pump and valves and fittings.
吸入装置包括吸入液面至泵进口处的管路、阀件等。
If you have a fluid process control requirement for oil and gas exploration, offshore platforms, refining, or pipeline.
如果你有一个石油和天然气勘探，海上平台，精炼，或管道流体过程控制的要求。
Automobile brake system most is double pipeline vacuum booster, which relay system hydraulic braking power brake fluid strong absorbent.
汽车制动系统绝大多数是双管路真空助力液压制动，其中传递制动力的制动液有极强的吸水性。
And the study should be carried out to reduce the influence of Nitrogen foam fluid to pipeline by increasing the fluid stability.
应开展通过增加泡沫液稳定性缓解或降低泡沫液对海管的影响方面的研究。
Therefore, the vibration induced by fluid pulsation is analyzed for a section of gas pipeline.
为此，对一段天然气管系的流体脉动激发振动进行了分析。
The functional product is set to the surface of pipeline or container of fuel or air to activate fuel fluid molecule, promote combustion and reach the aim of saving fuel and protecting environment.
将这些功能制品涂覆、粘贴到燃油、燃气以及空气分子经过的管道、容器表面，可以高效活化流体分子，促进燃料燃烧，实现节油、节能、减少有害气体排放的节能环保目标。
The invention relates to a three-chamber unidirectional check valve which is suitable for cleaning a fluid facility and a pipeline and called as 'flow information valve'.
本发明涉及一种适宜于清洁流体设施和管道使用的三腔室单向阀门，取名“流量信息阀”。
The models with carrier fluid are one of ways to describe the phenomenon of liquid-solid mixture flow in a pipeline. A carrier fluid is composed of water (or other liquid) and fine particles.
载体流模型是描述管道中液-固混合流现象的方法之一，载体流由水(或其他液体)和细颗粒组成，粗颗粒在含有悬浮细颗粒的载体中输送。
In order to achieve a remote measurement for fluid flow, research was made on theoretic models and experimental measurement methods for transmission pressure wave of the horizontal pipeline.
为了实现流体流量的远程测量，研究了水平管道中压力波传播的理论模型及测量方法。
Closed system, the hydraulic pump directly into the pipe return pipe connected to the implementation of components, working fluid in the system for closed loop pipeline.
闭式系统中，液压泵的进油管直接与执行元件的回油管相连，工作液体在系统的管路中进行封闭循环。
As the important control equipment of fluid transport pipeline, valve is widely used in different domains of national economy.
阀门是流体输送管路的重要控制设备，广泛应用于国民经济各个领域。
The connector can be used for pipeline systems of low-temperature fluid such as liquid nitrogen, loxygen, liquid natural gas and the like.
本接头可用于液氮、液氧、液态天燃气等低温流体管道系统。
Numerical method for computer solution are used for fluid flow in long distance pipeline, such as characteristics method, implicit difference method and so on.
液体在长输管道内不稳定流动问题可以采用各种数直解法并借助计算机来进行处理，如特征线法、隐式差分法等。
Full diameter structure of ball valve ensures the conformity of inside diameter of passage and pipeline, with the fluid resistance minimized and easy for cleaning pipeline.
全通径结构保证通道内径与管线内径一致，不但使流体阻力最小，也便于清洁通道。
The fluid can be gas or oil but is not limited thereto in that the system will work with any fluid in a pipeline.
该系统适用于管道中的任何流体，例如流体可以是但不限于气体或油类。
The fluid can be gas or oil but is not limited thereto in that the system will work with any fluid in a pipeline.
该系统适用于管道中的任何流体，例如流体可以是但不限于气体或油类。
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