湍流结构 meaning in English
turbulent structure
Examples
- Wavelet transform of velocity - time data for the analysis of turbulent structures in a trayed bubble column
时间数据的小波变换研究筛板式鼓泡塔中的湍流结构 - The anisotropy invariant map was also introduced briefly . the effect of the distance away from the wall and the reynolds number on the turbulence structure in a pipe flow was also analysed
介绍了湍流不变量图在圆管湍流研究中的应用，分析了离壁距离和雷诺数对管流湍流结构的影响。 - Numerical results show that the bubble concentration distribution can be predicted by using the two - way coupling of the fluid and the bubble motion , and adding the wall lift force into the bubble motion equation , and the fluid velocity , turbulence intensity and shear stresses modified by the bubble motions can also be revealed
数值模拟结果表明，通过加入壁面升力和采用双向耦合方法，可以较准确地预测气泡浓度分布和揭示气泡流动对流体湍流结构的影响。 - Artificial periodic disturbances are introduced to the outer field of turbulent boundary layer in an closed - circuit open water channel . statistical method is employed for analyzing the velocity - fluctuation - time - series . the effect of the disturbance to turbulent structure in boundary layer is studied
在开口式循环水槽底部湍流边界层外区中引入周期性扰动，对湍流场的速度脉动时间序列信号进行了统计分析，研究了湍流边界层中周期性人工扰动对湍流结构的影响，结果表明高频扰动的湍流中she - leveque简称sl湍流层次相似律成立。 - We have the following results through simulation and experiments : i ) turbulent structure constant of atmosphere decreases with altitude ; ii ) turbulence induced power scintillation decreases with the optical wavelength ; iii ) scintillation of space - to - ground optical propagation is smaller than that of horizontal optical propagation ; iv ) power scintillation of space - to - ground optical propagation increases with wavelength ; results above are accord with existent theory . what ' s more , the last result discovers a new rule
通过对数学模型和仿真结果的分析，得到以下结论： a )大气湍流结构常数随海拔高度的增加而迅速减小； b )由湍流引起的光功率闪烁与波长呈反比； c )空-地激光通信的光功率闪烁小于地面水平传输的闪烁； d )空-地激光通信的光功率闪烁与波长呈正比；上述结果与理论保持一致。