湍流层

用AE-D卫星近地点上观测的n（He）估算湍流层顶高度

An evaluation of the turbopause altitude using n ( he ) observed at perigees of ae-d satellite

实验结果表明，修正格拉斯霍夫数（Grashof）G>100时，浮力振型破碎并在最大速度点附近形成湍流层；

Experimental results show that the turbulent layer near the maximum velocity point can be detected while the reformed Grashof number G > 100 and after the buoyancy eigenmode crashes down ;

采用近地点上的n（He）观测资料，根据大气数密度在低层内均匀混合和高层内扩散分离的不同垂直分布特征，粗略地估算出湍流层顶的高度Zt及其变化。

Besides , the data of n ( He ) observed at perigees are used to roughly estimate the altitudes of the turbopause Z t and their variations according the two distinct vertical distributions of atmospheric composition in low and upper atmospheres : the homogeneous mixing and the diffusive separation .

为了扩大自适应光学（AO）系统的校正视场，本文分析了在主要湍流层的共轭面上设置多个变形反射镜（DM），即采用分层共轭自适应光学（MCAO）的方法。

In order to increase the corrected field of view ( FOV ) of an adaptive optics ( AO ) system , this paper proposed to place several deformable mirrors ( DMs ) in the conjugate planes of the dominant turbulent layers ( multiconjugate adaptive optics , MCAO ) .

分子扩散占主导地位的区域下界约在120公里处称为湍流层顶。

The lower boundary of the region above which molecular diffusion dominates is 120 km altitude and is known as the turbopause .

关于CS湍流边界层计算方法的改进

An improvement of CS method for calculating turbulent boundary layer

高Reynolds数下湍流边界层的尺度律

Scaling for turbulent boundary layer in high Reynolds number

湍流边界层起伏压力谱和聚偏氟二乙烯薄膜（PVDF）水听器响应的实验研究

Experimental study on spectrum of turbulent-boundary-Layer fluctuation pressure and response of a PVDF hydrophone

湍流边界层中固体小颗粒湍流运动的Lagrangian模型

Lagrangian Model on the Turbulent Motion of Small Solid Particle in Turbulent Boundary Layer Flows

BL模式在超声速湍流边界层中应用的检验

Examination of the application of BL model in supersonic turbulent boundary layers

本文利用Euler方程和可压缩湍流边界层积分方程研究绕跨声速翼型的有粘与无粘强干扰流动。

Euler and compressible turbulent integral boundary-layer equations are used to analyze viscous / inviscid strong interaction flows over transonic airfoils .

用三分量LDV测量壁湍流边界层

Measurements of Turbulent Boundary Layer on a Wall of Water Channel by 3D LDV

提出了结合湍流边界层厚度系数kδ和动量损失厚度δ2由无离心流动计算逐渐逼近离心流动的计算方法。

A method is presented that by boundary layer thickness coefficient k δ and momentum thickness δ 2 the fluid calculation without centrifugal force approaches the fluid calculation with centrifugal force gradually .

Laval喷管内激波/湍流边界层干扰的数值模拟

Numerical Simulation of Shock Wave / Turbulent Boundary Layer Interaction in Laval Nozzle

利用二维LDV系统对零压力梯度下光滑面和减阻沟槽面湍流边界层流场进行对比测量。

Two-component LDV measurements in a turbulent boundary layer with zero pressure gradient have been performed .

作为湍流边界层中运动的粒子，微气泡受到水的阻力可能会在Stokes阻力范围内。

As the moving particle in the turbulence boundary layer , the resistance on microbubble from water may be fallen inside the scope of the Stokes Law .

在湍流边界层中对SL标度律及其参数进行研究，可以加深对边界层湍流的认识。

For understanding the mechanism of turbulent boundary layer better , coherent structures and the parameter of SL scaling law were researched with experimental methods .

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，利用X型热膜探针对下游扰动进行测量。

Artificial periodic disturbances are introduced to the outer field of turbulent boundary layer in an open circular style water channel . X style hot film probe and anemometer are employed to measure the disturbance in the downstream area .

使用GAO-YONG方程组对湍流边界层拟序结构特性的研究

The Simulation of Coherent Structure in Turbulence Boundary Layer Using GAO-YONG Turbulence Equations

湍流边界层的两层模型（TLM）微分法在过去的十几年里得到了迅速发展。

The Two-Layer Model ( TLM ) differential method for turbulent boundary layers is rapidly developed over the last decade .

实验中使用了恒温式IFA300智能型热线风速仪对3种不同尺寸的对称V型脊状表面湍流边界层流动参数进行了测试。

In the experiment three symmetrical Vriblet surfaces which are different in scale have been tested by using of IFA300 constant temperature hotwire anemometer .

本文从广义曲线坐标运动方程出发，以及根据Head的二维牵引理论（entrainmenttheory）模型导出沿侧滑翼法向翼剖面表面曲线的三维可压缩湍流边界层运动方程组。

This paper starts from the equations of motion in generalized curvilinear coordinates and the model of Head 's two-dimensional entrainment theory , and derives a set of equations along surface curve on normal profile of a yawed wing for a compressible three-dimensional turbulent boundary layer .

以光滑平板及间隔V型减阻沟槽面为研究对象，利用二维LDV系统获得光滑平板及沟槽板上部区域湍流边界层流场的流动参数。

Measurements of flow field by means of a two-component LDV have been carried out in turbulent boundary layers over a smooth surface and a spaced V-type drag reducing grooved surface with a zero pressure gradient .

应用湍流边界层的两层模型，导出了稀相气固两相流通过具有恒定热通量圆管时的Nusselt数。

Applying two-layer model of turbulent boundary layer , Nusselt number for disperse phase gas-solid two-phase flow to pass through a pipe with constant heat flux are developed .

本文研究粘弹性圆柱壳内圆柱面和双圆片形水听器和阵对于TBL（湍流边界层）压力起伏的响应。

This paper investigates the responses of the cylindrical area hydrophone and two-circular areahydrophone in viscoelastic cylindrical shell to the TBL ( turbulent boundary layer ) pressure fluctuations .

利用一个φ8mm水听器和一个20元阵在水洞中测量了湍流边界层起伏压力的点功率谱密度和波数频率谱密度。

The point power spectrum density and the wavenumber frequency spectrum density of turbulent-boundary - layer fluctuation pressure are measured by use of a φ 8 mm hydrophone and a 20-element array , respectively .

在湍流边界层的近壁区，采用对称共振三波的理论模型描述相干结构，根据理论模型对Reynolds应力输运方程逐项进行计算和分析，结果与直接数值模拟符合很好。

A symmetric resonant triad theoretical model was proposed to describe the turbulent coherent structures in the near wall region of a turbulent boundary layer . Based on this model , the Reynolds stresses were calculated , their production rates , dissipation rates and transport were evaluated .

应用BaldwinLomax湍流二层代数模型模拟了大攻角时前缘分离涡的形成，旋涡对流及其非定常现象。

By using the Baldwin-Lomax turbulent model , the formation of the leading edge separation bubble , as well as the convection of vortex along the airfoil surface and unsteady phenomena of vortex are simulated at high angle of attack .

同时指出需要利用先进的实验技术如PIV等图像处理手段并结合直接数值模拟对湍流边界层的瞬时流场进行研究，以其找出湍流边界层的流动结构及其运动规律。

It was also suggested that the means of certain advanced technology such as PIV image processing method combined with the direct numerical simulation should be used in the research of instantaneous flow field in turbulent boundary layer over grooved surface in order to find out the drag reduction methanism .

边界层计算采用湍流边界层积分反方法，它借助Whitfield和Swafford提供的既适合附着流，也适合分离流的速度剖面表达式。

The boundary layer inverse algorithm is employed for the calculation of turbulent boundary layer , with velocity profile expressions applicable to both attached and separated flows , suggested by Whitfield and Swafford .