| 1. | Estimation of turbulent kinetic energy dissipation rate in channel flow by piv
数据估算槽道内湍流动能耗散率 |
| 2. | This phenomenon could be explained by the theory . three dimensional velocity and turbulent kinetic energy were gotten
同时又从理论上解释了这一现象； ( 3 )得到了三维速度以及湍动能。 |
| 3. | The basic parameters , such as temperature , pressure , turbulence kinetic energy and the turbulent kinetic energy dissipation rate , are also analyzed
绘制了压力和温度曲线，以及压力、温度、涡流动能、涡流动能扩散率等值线图。 |
| 4. | Under considering the impact of bubbles on the turbulence , the k - ? model modified with the presence of microbubbles is employed , postulating the turbulent kinetic energy k and the dissipation rate ? are the properties of continuous phase
考虑到气泡对湍流的作用，本文采用了经过气泡修正的k -湍流模型，并假定湍动能k及其耗散率是连续相的属性。 |
| 5. | The distributions of velocity vector , vorticity . turbulent kinetic energy and some other detailed flow information in the field are obtained . the influence of electric field on the flow field is discussed and gives a deep insight on it
3 、首次采用piv技术对荷电喷雾射流流场进行了测量，获得了整个流场的瞬时速度、湍能、涡量等信息分布图，研究了流场特性随充电电压的变化情况。 |
| 6. | By applying volume averaging operator to the local transient rng k - s model , the effects of interaction between liquid and bubble on the turbulent kinetic energy and its dissipation rate are incorporated to the rng k - s model
根据eulerian体平均原理，对局部瞬时rng -模型方程进行平均化处理，经过数学演绎首次得出气液两相湍流rng -模型，并在模型中考虑了相间作用对液相湍流动能及耗散的影响。 |
| 7. | Both tidal mixing and wind stirring can weaken the vertical stratification induced by freshwater buoyancy , but different mechanisms dominate such a process : tidal mixing is accomplished through the upward dissipation of turbulent kinetic energy whereas wind stirring is in the opposite direction
尽管潮汐混合和风的搅动作用均能削弱河流冲淡水浮力引起的垂直层化现象，但是其控制机制有所不同：潮汐混合是通过湍流动能自下向上的耗散来完成的，风搅动的方向恰好相反。 |
| 8. | With piv technology , the flow field was measured to judge the performance of pump sump . by analyzing the pictures of velocity , streamline , turbulent kinetic energy and vorticity , we found that the turbulence was bigger while the ratio of the runoff increased . and the vortices always appeared in the field where the runoff was small
通过piv试验，测量了封闭式水泵吸水室内部的流场，以研究该水泵吸水室的性能； ( 2 )通过分析流速图、流线图、湍动能图和涡量图，发现了流量比越大，湍动越大，漩涡总是出现在流量较小的一侧。 |
| 9. | The drag reduction of riblet biomimetic non - smooth surface is given out by numerical simulation with cfx . through analysis of velocity vector field and velocity fluctuation this article probe into drag reduction mechanism of unsmooth surface . through analysis of behavior of single microbubble and turbulent kinetic energy this article indicate drag reduction mechanism of microbuble
对仿生非光滑表面减阻机理,采用流体力学分析软件cfx进行了数值模拟,通过对速度场、剪切应力、涡量的计算结果进行分析,得出了仿生非光滑表面减阻几种主要原因。 |
| 10. | The relationship between the gas and particles is obtained as well as the distributions of velocities both of gas and particle , temperature , particle number density , and other turbulent qualities such as turbulent kinetic energy and its dissipation rate . it finds that micro zone clean control through the well - designed flow pattern is possible
在仿真的条件下探讨了气流运动和颗粒运动的关系，初步研究了通过气流对不同分区进行洁净度的控制实现的可能性，得出了不同送风状态下气相速度场和颗粒数密度的分布、温度及相关的湍流量的分布。 |
