明渠

利用VISUALBASIC6.0（中文版）建立平底棱柱体梯形断面明渠水跃计算的数值方法。

Visual Basic 6.0 ( Chinese visual ) is adopted to build the value counting method for jumping count to flat bottom prism trapezium section open canal .

明渠渠底糙率突减对紊流流速及紊动强度影响的试验分析

A Test Analysis of Open Canal Bottom Coefficient of Roughness Anticlimax on Turbulent Velocity of Flow and Intensity of Turbulence Influence

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 .

它由竖井、暗渠、明渠和涝坝（一种小型蓄水池）四部分组成。

It consists of shafts , culverts , channel and flood dam ( a small reservoir ) composed of four parts .

按N·S方程计算明渠扩展段紊流（回流）的第二次进展

Simulation of Turbulent Flow in Extended Section of Open Channel by Employing N. S Equations

高含沙明渠紊流光滑区f－Re关系与平均流速公式

The f-Re relationship and formula for mean velocity in smooth region of turbulent open channel flow with hyperconcentrated sediment

沈阳市排污明渠&细河CH4的排放

CH_4 emission from Xihe canal for drainage of municipal sewage in Shenyang City

基于PIV技术的明渠非恒定流试验系统

Experimental System for Unsteady Flows of Open-Channel Based on PIV Technology

二维明渠非恒定流的格子Boltzmann模拟

2-D open channel flow simulations by the lattice Boltzmann model

明渠流中分形絮团破裂的格子Boltzmann方法模拟絮凝物形成团状或棉絮状块的东西

Lattice Boltzmann Simulation of the Breakup Process of Fractal Flocs in Open-Channel Flows

灌区明渠输水与PCCP管道输水方案比较

Comparison of open channel water conveyance and PCCP pipe water conveyance

RTD实时动态GPS测量系统在三峡导流明渠截流及三期土石围堰填筑工程中的应用

The Application of GPS RTD System in the Diversion Channel Closure and the Third-stage Soil Rock Cofferdam Building Engineering in Three Gorges Projection

N-S方程的分离流计算&圆柱和圆球的粘性绕流明渠中跌坎后突扩分离流数值研究

A numerical study of the separation flow by Navier-Stokes equation & past a circular cylinder and sphere

针对Y型明渠交汇口的水流特性，应用水深平均-雷诺应力模型，采用交错网格有限体积法离散控制方程以及SIMPLE算法，求解交汇水流的水深-速度场。

Considering characteristics of the flow at Y-shaped open-channel junction , the finite volume method on staggered grids is used in a depth-averaged Reynolds stress model to discrete the control equations and SIMPLE algorithm so as to obtain the depth-velocity fields .

LMC型超声波明渠流量计的研制

Development of LMC ultrasonic open-channel flowmeter

本文提出了三种计算明渠水面线的方法：①简化的水力指数法，在缓坡条件下统一水力指数x与断面指数y，求得简化公式；

Three calculation methods of water surface profile for open channel flow are proposed in this paper . 1 . Simplified method of hydraulic index . In mild slope condition , combining the index x and y results in a simplified formula .

PIV激光片光源频闪技术拍摄的猝发系列照片生动展示了明渠紊流流场的猝发特性，可用于直接分析；

Based on the PIV laser sheet technology , and data processing technique and hydrogen bubble visualization serial pictures , the turbulent bursting process was vividly depicted by frequency flash photo .

利用Matlab软件开发一个界面友好，能以良好的图形方式清楚地描绘渠道工程的实际情况的信息管理系统，为明渠的维护与管理提供了新方法。

Matlab software is utilized to develop an interface to clearly draw the information management system of the practical situation of chanel engineering in good shape mode . And it provides a new method for the maintainence and management of the open trench .

对于明渠均匀流水深h0和临界水深hk的计算，传统的试算法和查图法比较繁琐。

The traditional trial method and referring-to-diagram method are very tedious for the computation of uniform flow depth h-0 and critical water depth h-k in open channels .

ZK-1型堰式明渠流量计

The model ZK-1 weir-type uncovered canal flowmeter

为研究明渠非恒定流运动特性和输沙机理，建立了长20m，宽29.5cm，高40cm的水槽非恒定流实验系统。

A flume system was built to experimentally study unsteady flow and sedimentation . The flume is 20 m long , 29.5 cm wide , and 40 cm high .

以BGK波尔兹曼方程为基本方程，利用有限体积离散方法，建立了满足熵原理的二维明渠非恒定水流的BGK数值模型。

Based on the BGK Boltzmann equation , a 2-D numerical model for open channel flows , which satisfies the entropy condition , is established by employing the finite volume method .

目前计算梯形断面明渠临界水深hk的常用方法有试算法、图解法、近似公式法和迭代法，它们存在计算精度不高、求解复杂等缺点。

The traditional methods for computing critical water depth of open channel with trapezoid section ( h k ) are trial and error method , graphic method , approximate solution method and iteration method , whose shortcomings are rough precision , large computation amount and complex resolving problem .

针对明渠湍流流动，研究了计算网格、计算域大小、亚格子（SGS）模型和雷诺数等因素对大涡模拟（LES）预报精度的影响。

For the turbulent flows of the open channels , the effects of factors of calculational mesh , the sizes of computational domain , SGS models and Reynolds numbers on the prediction precision of large eddy simulation ( LES ) are discussed .

后者给出了一些计算结果，用以反映有限体积Osher格式在明渠、堰闸、漫滩、溃坝和决堤流动计算中的应用。

In the latter , a number of computed results are presented which reflect various applications of the finite-volume Osher scheme for flows in open channels , over weirs , and due to dam-break , overbank and dike-corruption .

石油在明渠含沙水流中的垂向浓度分布

Vertical distribution of oil concentration in sediment laden open channel flow

一维明渠非定常流数值计算稳定性分析

Stability Analysis on Numerical Calculation for One-dimensional Unsteady Open Channel Flow

梯形明渠正常水深计算的迭代法

Iteration method for calculation of normal depth in trapezoidal open channel

明渠调水工程水位-流量串级反馈控制研究

Research on water level and flow cascade feedback control of canal

弧底梯形明渠水力最佳断面设计

Optimum Hydraulic Section Design for Open Trapezoid Channels with Curved Bottom