| 1. | Numerical simulation of many - coherent structures in the wall region of turbulent boundary layer
湍流边界层近壁区多个相干结构的数值模拟 |
| 2. | Improvement on the theoretical model for dissipation - rate budgets in near - wall region of a turbulent boundary layer
近壁区理论耗散率模型的改进 |
| 3. | The solids holdup is lower in the center than in the wall region at the radial positions , and the solids holdup is higher in the lower section than in the upper section of the riser
在径向分布上，颗粒浓度呈现中心稀，边壁浓的状态。在轴向上，颗粒浓度呈现上稀下浓的分布。 |
| 4. | The numerical methods with high accuracy and resolution are proposed to research the generation and evolutional process of the turbulent spots and coherent structures in turbulent flow of the wall region
本文采用高精度、高分辨率的数值方法研究湍斑及湍流相干结构的生成和演化规律。 |
| 5. | A measurement system was developed based on flow visualization and image processing techniques , which can be used to investigate the spatial structure of low - speed streaks in the near wall region of turbulent open channel flow
基于流动显示和图像处理技术，独立开发了明槽紊流近壁区带状结构的实时测量系统。 |
| 6. | The region of computation is made up of 9 sub - regions . in this study a semi - staggered grid arrangements was adopted . non - uniform grid distributions which are more dense in all the near wall regions were used
文中将整个计算域分为9个子域，采用半交错式网格布置，非均匀的网格分布使得在所有近壁区的网格都更为细密。 |
| 7. | ( 4 ) there are different predictions on velocity field , temperature field and the heat transfer coefficient when single equation model and launder and sharma low - reynolds number k - e model were used respectively in the near wall regions
( 4 )近壁区采用单方程模型和双方程模型对流动结构、温度分布和换热系数分布的预测有着较大的差别，建议开展实验研究进行验证。 |
| 8. | In this paper , the spatial structure of the low - speed streaks and particle motion in the near wall region of turbulent open channel flow were observed on the side and bottom of a water flume , respectively , using flow visualization and image processing techniques
本文以试验研究为主要手段，采用流动显示和图像处理技术，从水槽底部和侧面两个方向测量，分别对明槽紊流近壁区的带状结构及颗粒运动特性进行了系统的试验研究。 |
| 9. | Larger changes were measured in the near wall region . the numerical simulating results of the gas - particle two - phase flow in duct show that the velocity difference of the gas and particle in the near - wall region would increase as the diameter of the particle enlarge
绝热两相流的数值模拟结果表明颗粒在壁面的跟随性随粒径的增大而下降，近壁区saffman升力的存在对两相流动的轴向速度影响不大，但对颗粒的浓度分布有一定的影响。 |
| 10. | The standard k - e turbulence model was employed in the core region of the cavity . two low reynolds number turbulence models , single equation model and launder and sharma low - reynolds number k - e model , were used in the near wall regions
在紊流核心区采用标准k -模型，近壁区分别采用单方程模型和launder ? sharma低雷诺数k -模型，采用simple算法，求解并获得了盘腔中的速度和压力场、全域的温度场以及流固界面上的换热系数和努谢尔数分布。 |
