| 1. | Measuring axial velocity and its dispersion for liquid droplet streams 液滴束流轴向速度及其弥散的测量 |
| 2. | Axial velocity ratio 轴向速度比 |
| 3. | The axial velocity , fluctuation velocity , the turbulence intensity , and transverse velocity of the fine particle were studied 研究了管道中近壁区颗粒的轴向速度、湍流强度和径向速度。 |
| 4. | Through the numerical studies , the author can conclude that the major impact on the three - dimensional chaotic mixing is the axial average - velocity and the axial velocity distribution 数值模拟表明影响三维混沌混合的主要原因是轴向平均速度和轴向平均速度分布。 |
| 5. | Mathematical models of the combustor are developed by : a ) applying a modified k - s turbulence model to calculate the turbulence parameters with large swirl and axial velocity gradients in the combustor 采用了修正的-双方程湍流模型,来对燃烧室中的强旋流湍流流动进行数值模拟; b |
| 6. | Both qualitative analysis to the changing trend of droplet axial velocity profile and quantitative comparison with experimental data demonstrate the rationality of this model 计算与实验结果表明:无论是从液滴轴向速度分布变化趋势的定性分析,还是从与实验数据的定量比较来看,建立的模型都是合理的。 |
| 7. | The saffman force does not affect the axial velocity of the flow , while it change the concentration of the particle . the gas - particle two - phase flows in the present of temperature were also numerical simulation 讨论了绝热、有温差和添加热泳力三种情况下的两相流场,分析了温度梯度、湍动能、轴向速度和颗粒浓度的变化。 |
| 8. | ( 6 ) as dean number is increased , the secondary flow firstly becomes symmetry and then the anticlockwise vortexes are enlarged , the contours of axial velocity and the stream function become symmetry , the secondary flow is intensified and the friction factor ratio increases ( 6 )增大dean数,二次流先趋于对称而后逆时针方向的二次涡增大,轴向速度和流函数等值线趋向于对称,摩擦系数比增大。 |
| 9. | The transport of macromolecules in curved tubes with permeable arterial wall was simulated numerically . the fields of axial velocity , the fields of secondary flow function and the distribution of wall shear stress along the transverse section of arterial wall were obtained under different dean number , 10 10800 ,计算了弯曲血管内的二次流轴向速度场和剪应力沿管壁分布的情况。计算求得了在不同dean数和peclet数下,其中10 |
| 10. | ( 5 ) as torsion is increased , the anticlockwise secondary vortexes and the negative area of the stream function increase ; the axial velocity moves anticlockwise ( annular pipe ) or clockwise ( circular pipe ) ; the friction factor ratio finally reaches the value about 1 ( 5 )增大挠率,逆时针方向旋转的一二次涡和流函数的负值区域增大,轴向速度最大值的位置按逆时针(环形截面)或顺时针(圆截面)方向旋转,摩擦系数比最终趋向于1 。 |