On the basis of stochastic theory of turbulent flow developed by the author, the mean structure of turbulent boundary layer flow near a plate is discussed in detail.
本文应用作者提出的紊流随机理论,全面讨论了平板边界层紊流的时均结构。
Mean velocity profile, turbulence intensity profile, integral scale and wind spectra are the most fundamental characteristics that describe the atmospheric turbulent boundary layer flow.
平均速度剖面,湍流度剖面,积分尺度和风谱是反映大气湍流边界层流动的四个最基本的因素。
Like in an infinite flow, we find that laminar boundary layer, transition region and turbulent boundary layer also exist along a flat plate in open channel flow boundary layers.
试验研究发现明流光滑平板边界层中,与无限边界绕流平板边界层一样,沿平板有层流边界层,转捩区和紊流边界层三部分。
The characteristic parameters of fluid during the transition in boundary layer are obviously different from that of the laminar flow or the turbulent flow.
边界层转捩流动的特征参数明显不同于层流或湍流,转捩流动的这些特征直接影响着流体的动力、传热特性。
The analysis result of velocity distribution and boundary layer thickness is put forward in the boundary layer and cored region for laminar and turbulent flow of pipeline.
采用动量积分方法推出了管道流动中的速度边界层方程,给出了管道层流和紊流时速度边界层和核心区中的速度分布、边界层厚度的解析结果,并与冯。
In the paper, the authors use it to study the hydraulic problem, for example, to analyze the laws of the velocity distribution of turbulent boundary layer, open-channel water flow, etc.
本文将其应用到水力学问题中,分析了紊流边界层,明渠水流等问题的速度分布规律,得到了与前人一致的结果。
The separating flow in a turbulent boundary layer was surveyed in a 2-d curved-wall diffuser by employing 2-d laser Doppler velometer.
应用二维激光多普勒仪测量了二元曲壁非对称扩张通道内的湍流附面层分离流动。
For the static tubular mixer with tube-arrays, semi-uniform and isotropy turbulent flow takes place using the effect of boundary layer in the arrayed tube, which can achieve rapid mixing.
管束列管式静态混合器利用管道边壁的边界层作用,强化形成准均匀各向同性涡旋,实现快速混合。
The analysis of simulation results and the comparison with observational data show that the LES model simulates the turbulent flow in forest canopy and forest boundary layer very well.
通过中性和不稳定层结条件下不同叶面积指数算例的模拟分析及与已有观测结果的比较表明,本文所建大涡模式对森林冠层和森林边界层有较好的模拟效果。
The analysis of simulation results and the comparison with observational data show that the LES model simulates the turbulent flow in forest canopy and forest boundary layer very well.
通过中性和不稳定层结条件下不同叶面积指数算例的模拟分析及与已有观测结果的比较表明,本文所建大涡模式对森林冠层和森林边界层有较好的模拟效果。
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