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。
The present paper discuses, with the method of matched asymptotic expansions, the stress boundary layer of the slender riser in a steady flow.
本文用匹配方法讨论定常流中细长立管所产生的应力边界层现象。
The basic equations of the boundary layer for blade surface flow of arbitrary cyclical surface are established, and the rotating effect for boundary layer separation is analyzed.
建立任意廻转面叶片表面边界层基本方程组，分析边界层分离的旋转效应。
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 mass transfer performances in the boundary layer of the membrane were analyzed under the different flow patterns, formed by different structures and feedways of modules.
对三种不同结构膜器进行实验，研究了不同流动形态下膜表面边界层的传质特性。
In the direct numerical simulation of supersonic boundary layer flow, the outlet boundary condition will strongly effect the computational results.
在超声速边界层的计算中，出口处边界条件的好坏会影响计算结果。
Composition and distribution of the cascade's flow losses, as well as calculation accuracy, depend in the main on boundary layer conditions at entrance.
叶栅流动损失的构成、分布以及计算准确性的主要因素是来流边界层状态。
This method can greatly decrease the boundary layer thickness on the floor, and maintain good characteristics and uniformity of the flow field.
这种方法使地板边界层厚度大大降低，而风洞仍保持好的流场品质及流场较均匀的特点。
Boundary element calculation is applied to the main flow field, while integral methods of the boundary layer theory are applied to the viscous layers.
主流区无粘流动采用了边界元法计算，粘性流动区采用附面层理论的积分关系式计算。
The result shows that the boundary layer radial vortex becomes an important factor for causing compressor flow instability.
结果表明，附面层径向涡是该压气机转子流动失稳的一个很重要的原因。
NPLS images at high spatiotemporal resolution reveal shockwave, expansion wave, boundary layer and wake in the flow.
高时空分辨率的NPLS图像再现了激波、膨胀波、边界层及尾迹等流场结构。
The theoretical analysis of boundary layer in vane of centrifugal two-phase flow pump may provide a basis for flow drag in vane surface and a theoretical evidence to determine vane curve.
离心式固液两相流泵叶片的边界层的理论分析，可以为分析流体在叶片表面沿程阻力提供基础，进一步也可以为确定叶片型线提供理论依据。
For incompressible boundary layer or plane channel flow, typical three-dimensional structures would appear.
对不可压缩边界层或平面槽道流，还会出现典型的三维结构。
But the theory about the flow regime of the wave boundary layer, the wave friction factor, the bed shear stress and the initiation of sediment motion has not developed very well.
而且波浪是海岸地区一个非常重要的海洋水动力因素，波浪作用下底部边界层的流态、底摩阻系数、床面剪应力和泥沙起动的理论还不成熟。
The examples presented clearly show the effect of nonparallel flow on boundary layer stability.
通过算例，清楚地显示了流动的非平行性对边界层稳定性的影响。
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。
There is a difference between the numerical simulation results of two-dimensional and three-dimensional flow field in supersonic inlet, which shows the influence of boundary layer on the side wall.
超声速进气道的三维流场数值模拟结果与二维数值模拟结果存在较明显的差别，说明进气道侧壁附面层的影响不容忽略；
The results showed that the oasis-desert circulation and atmospheric boundary layer structure are symmetric without the influence of the background westerly air flow.
结果表明：在没有西风气流背景的影响下，绿洲沙漠环流和大气边界层结构是对称的。
The separation flow is three dimensional in hydraulic machine. The pressure gradient in cross direction produces secondary flow in boundary layer.
水力机械的分离为三维流动，三维流动的侧向压力梯度产生边界层的二次流动。
The calculations for the inviscid external flow and the boundary layer are carried out by applying potential theory and boundary layer theory, respectively.
无粘区和边界层区分别用位流理论和边界层理论计算。
A method for analyzing the rotating turbulence boundary layer flow was presented.
本文通过计算分析了旋转湍流边界层。
By use of hydrogen bubble visualization method, flow evolutions are studied in an artificially excited transitional boundary layer on a flat plate.
利用氢气泡流动显示方法，研究人工激发条件下平板边界层转捩的流动现象。
The technology of oil flow and silk thread can reflect effect of the vertex generators controlling the boundary layer separation of the wing truly.
油流和丝线流动显示技术可真实反映涡流发生器对机翼附面层分离的控制效果。
For several given types of inlet boundary layer, a numerical investigation on flow field of bowed stator vanes under two inlet subsonic Mach Numbers was carried out.
给定不同型式的进口边界层，在两种不同亚音速条件下对一平面扩压静叶栅的弯叶片流场进行了数值模拟。
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 internal flow fields in scramjet are very complex, due to the interaction of shock waves, expansion waves, boundary layer and strong reactions.
超燃冲压发动机的内部流场很复杂，存在激波、膨胀波、附面层和剧烈的化学反应等相互作用，给数值模拟带来很大的困难。
Taking into account the boundary layer effect on flow structure, a correct formula was given.
考虑到前体壁面边界层厚度对流动结构的影响，提出了边界层效应的修正方法。
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。
This may be caused by the side wall boundary layer and prismatic wave on the surface of the flow.
研究表明，溢流坝反弧段内流动存在着微弱的三维结构，流的三维性主要由侧壁边界层及表面棱形波造成。
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