水跃

自由临界水跃长度的探讨

Study on the Length of Free and Critical Hydraulic Jump

水跃剖面线理论计算及验证

The Theory Method of Counting Hydraulic Jump Surface Profile

从理论上推导了U形渠道的水跃方程。

An equation for the U shaped channel jump is deduced in theory .

U形渠道水跃的试验研究

An Experimental Study of U Shaped Channel Jump

一般U形渠道的水跃计算

Calculation of Hydraulic Jump In U-shaped Channel

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 .

本文通过求解时均N-S方程k-ε紊流模型，数值模拟了淹没水跃由静止到最终稳定的全过程。

In this paper , the submerged hydraulic jump from rest to steadiness was simulated numerically .

本文用四种体型的消力池模型，研究了水跃首部佛洛德数F1≤4.5的消力池护坦板上水流脉动压力的频率特性。

Using four types of stilling basin model , this paper studies the frequency properties of fluctuating pressure acting on the stilling basin apron with Froude number , F1 ≤ 4 . 5 .

研究表明，U形渠道的水跃有良好的消能效果，其消能作用优于矩形渠道和梯形渠道，接近于三角形渠道。

The study indicates that water jump in the U shaped channel has good effect upon energy dissipation , whose energy dissipation is superior to that by the rectangle channel and the trapezoidal channel , approaching the triangle channel .

利用标准双方程紊流模型数值模拟了进口Fr1为819、淹没度为024、闸下出流形成的淹没水跃。详细介绍了数值离散格式特别是用VOF方法跟踪非恒定自由表面的数值方法。

The standard k - ε turbulence model was used to simulate turbulence characteristics of submerged hydraulic jump with the Froude number 8.19 and submergence factor 0.24 . The tracking method of the moving free surface was investigated .

本文采用直接解N-S方程和标准K-ε湍流模型方程的方法，模拟了一类二维强迫水跃的产生和发展过程，给出了水跃在发展的不同时刻的的自由表面形状和流速分布情况。

A forced hydraulic jump is calculated and simulated by solving the two dimensional imcompressible N-S equation , together with the k - ε model . The free surface shape , pressure , and velocity distribution of the flow are given after each time step .

闸堰下游淹没水跃特性研究论闸下冲刷的计算

On the Hydraulic Characteristics of Submerged Hydraulic Jump of Sluice Weir

淹没水跃导墙上脉动压力的幅频特性

Pressure fluctuations acting on vertical guide wall in submerged hydraulic jump

用抽水试验确定水跃值的计算机方法

Computer technique for the determination of hydraulic jump by pumping test

梯形渠道水跃共轭水深计算方法

Calculating Method for Conjugate Depth of Hydraulic Jump in Trapezoidal Channels

圆断面倾斜管道内平面水跃消能系数分析

Energy Dissipation Ratio of Hydraulic Jump in a Sloping Circular Conduit

低佛氏数宽尾墩水跃消能问题试验研究

Laboratory Research on Jump Dissipating Energy with Wide-tail-piers Under Low Froude Numbers

水跃对水平管弹状流压力降的影响

The Effect of Hydraulic Jump on Pressure Drop in Horizontal Slug Flow

低弗汝德数水跃特性的实验研究

Experimental study on the characteristics of hydraulic jumps with low Froude numbers

平底水跃消力池后河床冲刷计算的数学模型

Mathematical model of river bed scouring downstream of stilling basin

梯形明渠水跃共轭水深的直接计算方法

Direct calculation method for conjugate water depth of the trapezoidal open channel

附加射流水跃消能的试验研究

Study on Additional Jet Flow Hydraulic Jump Dissipation

低佛氏数水跃消能理论在渠首工程设计中的应用

Application of Low-Fred Value water leap energy consuming theory in ditch head project design

平底棱柱体梯形断面明渠水跃计算的数值方法

Value counting method for jumping count to flat bottom prism trapezium section open canal

水跃紊流特性的数值研究

Numerical study of turbulence characteristics in hydraulic jumps

附加动量水跃理论与锥形阀消能箱的体形设计

Additional Momentum Hydraulic Jump Theory and the Configuration Design of Cone Valve Energy Dissipation Box

整体式转向梯形杆系梯形渠道水跃共轭水深直接计算公式

A direct calculation formula for conjugate water depth of water jump in a trapezoid channel

工作原理，即水跃、液面更新、负压进气；

Working principle-water spraying , renewal of water surface and air penetration in negative pressure ;

本文给出了一种计算水跃消力池下游局部冲刷的数值方法。

A method is presented enabling the computation of local scouring downstream of stilling basin .

低弗氏数水跃下游水流紊动特性的试验研究

Experimental study of the turbulent flow characteristics downstream of a hydraulic jump at low Froude numbers