承建的导流明渠和纵向围堰工程。
Open Channel and Longitudinal Cofferdam Project Attributed to CGGC.
测流速的摆锤有时用于确定明渠中的流速。
The hydrometric pendulum is sometimes used to determine flow velocities in open channels.
基于模式搜索算法求解梯形明渠的临界水深。
The study was to solve the trapezoidal open canal critical depth of water based on the pattern search algorithm.
明渠流动指的是具有自由流动表面的水流形式。
The open-channel flowing refers to a kind of flowage which has the free surface.
明渠恒定均匀流正常水深在水力计算中十分重要。
The normal depth plays an important role in hydraulic calculation.
简单叙述了超声传感器用于明渠流量计的测量原理。
The measuring principle of ultrasonic transducer in open ditch flowmeter is described briefly.
2002年，每天仍有数百艘船行经大坝的导流明渠。
In 2002, hundreds of ships still passed through the dam's diversion channel on a daily basis.
因此，提高明渠通航流量，延长通航期具有重要意义。
It therefore would have more great significance to increase navigable discharge and the navigable duration.
较总流量分析法，仅能给出明渠断面平均流速有所改进。
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。
There is improvement as compared with the method of total flow, which only gives the average velocity of transverse profile of open channel.
针对灌区用水计量模糊问题，开发了一种新型明渠流量仪。
Aiming at the problem of inaccurate water measurement in irrigation, we design a new open channel flowmeter.
从试验资料的分析得到了明渠流洪水波沿程变形的表达式。
Expressions of streamwise deformation of open channel flood streams are obtained based on experimental data.
还提出使用KFT明渠流量微机监测系统应注意的几个问题。
Some issues to be noted for using KFT open channel flow monitoring system are also stated.
在明渠水力计算中，常需要计算临界水深，以判别水流流态。
Critical water depth is usually calculated to distinct the state of water current.
黄河大峡水电站导流明渠施工期间，在进口处采用预留岩坎挡水。
During the construction of diversion channel in Daxia Hydropower Station in Yellow River, a retaining rock bar was reserved at entrance of diversion channel.
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。
Open channel flow exists widely and its numerical simulation is of reality.
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 formulas of the resistance coefficient in open channel flows were summarized according to different flow patterns and flow regions.
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 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.
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。
The analysis method of flow field not only can show the discharge in open channel, but also the velocity distribution of its transverse profile.
从水力学明渠均匀流理论出发，建立了计算测流断面水位和流量的公式。
Based on hydraulics open ditch uniform flow theory, this paper builds up the formula to calculate the velocity gaging section water level current.
本文在实验室矩形平直明渠内，对横向混合系数的公式结构进行了探讨。
The formulary structure about transverse mixing coefficient of rivers has been studied at the laboratory model of straight rectangular open channel.
目前，我国明渠测流仍采用传统的特设量水设备法、水尺法、流速仪法等。
At present, we are still using the traditional way: AD hoc volume of water equipment, water gauge, velocity meter etc.
介绍堰式和槽式明渠流量计的测量原理，提出了一种新的堰式流量计算公式。
The measuring principles of weir and flume open channel flowmeters are introduced and a new calculation formula for weir flowmeter is stated.
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。
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.
采用正交曲线网格生成技术建立一种明渠导流双戗堤立堵进占截流的数学模型。
The technique of orthogonal curve-linear grid generation is used to establish the mathematical model for the open diversion channel with two embankments in river blocking.
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。
The calculation of right angled triangle weir-type open channel flowmeter is described. A high precision experiential flow calculating formula is given.
使用计算机计算明渠恒定渐变流水面曲线有两种分法：恒定流方法和非恒定流方法。
Steady water surface profile of gradually varied flow can be calculated using either a steady flow approach or an unsteady flow approach.
梯形明渠临界水深的求解过程是求解一个单变量超越方程的过程，理论上无解析解。
The solution process of critical depth on trapezoidal channel is to solute a single variable.
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。
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。
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.
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