Open channel flow exists widely and its numerical simulation is of reality.
明渠水流运动在实际工程中广泛存在，其数值模拟研究有现实意义。
Transmitter helps processing sites measure open channel flow more accurately.
传送器可帮助处理现场测量，更精确地测量明渠流量。
Some issues to be noted for using KFT open channel flow monitoring system are also stated.
还提出使用KFT明渠流量微机监测系统应注意的几个问题。
Accurate and reliable monitor on open channel flow in our country hasn't been resolved satisfactorily.
准确可靠的明渠流量监测现在在国内还未很好地得到解决。
The main researches as follows: 1. Open channel flow over flexible bottom vegetation is studied experimentally.
主要研究内容如下：1.对流经柔性植被的河道水流进行了试验研究。
Standard ultrasonic open channel flow sensors include 10 ft of cable, but can be purchased with up to 500 ft of cable.
标准型超声波明渠流量传感器包括10英尺的电缆，但可以用高达500英尺的电缆购买。
The calculation formulas of the resistance coefficient in open channel flows were summarized according to different flow patterns and flow regions.
按不同流态及流区对明渠水流阻力系数的计算公式进行了归纳和总结。
The calculation of right angled triangle weir-type open channel flowmeter is described. A high precision experiential flow calculating formula is given.
论述了直角三角形堰式明渠流量计算问题，提出了一种高精度流量计算经验公式。
Open channel flow is a sort of generalize for water flow phenomenon, which water stream with free surface be leashed by solid boundary with finity scale.
明渠水流是对具有自由表面的水流在有限尺度的固体边界约束下流动现象的一种概化。
In order to investigate the characteristic of open channel flow, a mathematical model is developed to compute the lateral velocity distribution in open channel flow.
为了研究明渠水流的运动特性，开展了明渠水流流速横向分布数学模型的研究。
The characteristics of wastewater round jet into open channel flow and its mixing and diffusing in the near-field were investigated by means of a laboratory experiment.
用水力实验方法研究了明渠水流中园形污水射流近区扩散与混合的特性。
The simulations show that the water fluctuation and overshoot are smaller using Step-PID than using general PID control method. The method is suitable to open channel flow.
仿真结果表明，较常规PID，步进式PID控制渠道输水，水位波动小，超调量小，较适合明渠输水控制的实际运行情况。
Like in an infinite flow, we find that laminar boundary layer, transition region and turbulent boundary layer also exist along a flat plate in open channel flow boundary layers.
试验研究发现明流光滑平板边界层中，与无限边界绕流平板边界层一样，沿平板有层流边界层，转捩区和紊流边界层三部分。
The research on turbulence characteristics of open channel flow as an important part of turbulence mechanics have been drawing attention of the turbulence mechanics researchers.
明渠水流脉动特性的研究作为紊流力学的重要组成部分，一直受到紊流力学研究者的重视。
In this paper, a differential equation of describing the lateral distribution of depth averaged velocity is obtained by simplifying 2d shallow water equations of open channel flow.
通过简化宽浅明渠二维水流运动方程，得到垂线平均流速在横向变化的微分方程序。
In this paper, the limitation and shortage of the open channel flow measurement are pointed out based on the review of the flow measurement methods and velocity distribution in open channel.
本文首先综述了明渠断面流量测量方法以及明渠断面流速分布的研究现状，在此基础上，指出了目前明渠断面流量测量方面的缺陷和不足。
The new MSP900FH features a pre-wired remote temperature sensor and is ideal for water and industrial processing sites looking to improve the accuracy of their open channel flow measurements.
新msp900 FH是一款预接线遥控温度传感器，是水处理和工业处理上提高明渠流量测量精确性的理想选择。
And the wider you open your channel-the greater service you give or the better values you offer-the more things are bound to flow through your channel, the more you are going to profit thereby.
而且如果你能为别人提供更多更好的服务，那么你将相当于拓宽了这条渠道的宽度，渠道里流过的东西越多，你获利也会越多。
There is improvement as compared with the method of total flow which only gives the average velocity of transverse profile of open channel.
较总流量分析法，仅能给出明渠断面平均流速有所改进。
The open-channel flow-measuring system described in this paper is used for the measurement of the waste discharge in the city or from the factories.
本文所描述的明渠流量测量系统是用于对属于明渠流动范畴的城市和工矿企业的污水排放进行流量计量的。
The analysis method of flow field not only can show the discharge in open channel, but also the velocity distribution of its transverse profile.
流场分析法不仅可给出明渠的流量，还可给出明渠横断面上的流速分布。
In the paper, the authors use it to study the hydraulic problem, for example, to analyze the laws of the velocity distribution of turbulent boundary layer, open-channel water flow, etc.
本文将其应用到水力学问题中，分析了紊流边界层，明渠水流等问题的速度分布规律，得到了与前人一致的结果。
The probability is Studied on the air flow model to modify the fluid flow in open channel as the hydraulic modelling. The principal theory, method and the range of its application are discussed.
论述了气流模型试验模拟水流运动的可能性、无压水流气流模拟的理论和方法以及应用范围。
The model is applied to calculate the transition water surface profiles from supercritical to gradually varied flow or from gradually varied flow to supercritical flow in rectangular open channel.
应用该模型对矩形明渠中缓、急流过渡的水面曲线进行了数值计算，并与理论解进行了比较。
There is improvement as compared with the method of total flow, which only gives the average velocity of transverse profile of open channel.
较总流量分析法，仅能给出明渠断面平均流速有所改进。
Most of wter flow in open-channel or in river belongs to steady non-uniform flow. The surface profiles are caused by changes of channel section. It is very important to analyze its computations.
人工渠道中的水流绝大多数是非均匀流，分析计算其水面曲线的变化规律是确定明渠边墙高度及回水淹没范围的重要依据，因此在工程实践中具有十分重要的意义。
The hydraulic calculation of the uniform flow is the most fundamental problem of the open channel and its variation law is the basis of the analysis in the open channel.
明渠均匀流是明渠水力计算中最基本的问题，对其水流运动基本规律的研究是明渠水流的基础理论和前提。
The sediment diffusion in the open-channel flow is a basic question in sediment research, and sediment diffusivity research is one of the most important aspects.
明槽挟沙水流中的泥沙扩散是泥沙运动力学研究中的基本课题，泥沙扩散系数研究是其中的一个核心内容。
The sediment diffusion in the open-channel flow is a basic question in sediment research, and sediment diffusivity research is one of the most important aspects.
明槽挟沙水流中的泥沙扩散是泥沙运动力学研究中的基本课题，泥沙扩散系数研究是其中的一个核心内容。
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