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.
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.
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。
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.
这类紊流具有许多不同于明渠水流的特点，易于人工控制，可以研究与环境工程有关的水力学问题。
The turbulence can be easily controlled and is suitable for studying hydraulic problems involved in environmental engineering.
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 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.
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。
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.
研究单式断面明渠水流种植植被后水流各个水力参数的变化，将试验数据和前人试验数据进行比较，发现密集植被对水流的干扰程度远大于稀疏植被。
We compare the open channel experiment data with the former data after planted flexible vegetation. From these we find the disturbance for dense vegetation is greater than thin vegetation.
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.
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.
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