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 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 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。
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。
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。
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。
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。
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。
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 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。
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 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。
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。
This paper describes a numerical method to predict the hydrodynamic characteristics of 2-d wave-making hydrofoil in the steady viscous fluid flow by the boundary layer theory.
本文采用边界层的概念来研究粘性流中的二维兴波水翼之水动力特性的数值计算方法。
The many kinds of heat losses of fluid flow on the temperature boundary layer in pipeline are a part of the total heat flux.
在利用热边界层减阻的电加热管道中，为了计算管道加热的热流量，除了热边界层流动的流体传热外，还需考虑整个管道的热损失。
In super critical Reynolds number range, flow asymmetry is induced by both the asymmetric vortices and asymmetric boundary layer state.
在超临界范围内，流动非对称由非对称涡以及非对称边界层流动的综合作用形成。
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。
A 3-d mesoscale Planetary boundary layer (PBL) dynamics prognostic in complex terrain was established to simulate 3-d mesoscale flow field under local sea-land breeze circulation.
首先建立了一个复杂地形条件下的中尺度三维边界层预报模式，模拟研究了局地海陆风环流条件下的三维风场。
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。
Endwall transverse movement has greater influence on flow separation structure in corner region than separated suction side boundary layer.
端壁横向流动对角区流动分离结构的影响大于吸力面附面层的分离。
Particle Image Velocimetry (PIV) Measurements were carried out on a 2-d flow field around the greenhouse in the atmospheric boundary layer wind tunnel.
在大气边界层风洞中，利用粒子图像速度场仪(PIV)对风绕过二维温室的流动进行了流场测量。
The results show that the flow field can be adjusted and the thickness of boundary layer can be decreased with the porous medium so the heat transfer can be enhanced in the pipe.
结果表明，可调节的流场和边界层的厚度，可降低与多孔介质的热传递，因此可以提高在管道中。
A large frame schlieren image technique is presented in the paper. The technique has been applied to visualization of the boundary layer transition on the surface of the cone in the hypersonic flow.
本文介绍了一种大画幅纹影成像技本，应用该技术，显示了高超音速流场中锥体边界层转捩。
The boundary layer thickness of the forward skewed rotor decreases in the top of blade due to reduction of the secondary flow loss. This fact conforms with experimental investigation.
得出了叶片周向前弯后， 叶顶部分的附面层减薄，二次流损失减小的结论，与实验结果吻合；
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。
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。
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