转捩

多元文化音乐教育作为多元文化教育的一个支流，受到不少专家、学者的关注，尤其是音乐人类学家，对其进行了深入的研究，从而引起音乐教育的巨大转捩。

Multicultural music education as a tributary of multicultural education , got the attention of many experts and scholars , especially the music anthropologist carried on the thorough research to its , causing music education great change .

本文用直接数值模拟的方法模拟了平面槽流的转捩过程中对应于K型转捩的情形。

In this paper transition process of K-type in plane channel flow is simulated by use of direct numerical simulation .

利用FFT方法分析了流动中速度的时空变化及旋涡位错对流动转捩的影响。

The effects of vortex dislocation on flow transitions are described by FFT analysis .

CH4-O2混合气中爆燃爆震转捩的数值模拟

Numerical simulation of deflagration to detonation transition ( ddt ) of ch_4o_2 gas mixture

这一过程似乎非常清楚，但却漏掉了一个关键的环节，即转捩的breakdown过程究竟发生了什么。

Though the scenario seems clear , yet there is a missing link , that is , what happens in the breakdown process .

不同物形及来流条件造成尾迹转捩位置的改变，从而影响RCS的数值及其沿轨道的分布；

Different body shapes and flow field parameters will change the location of wake transition and eventually the value and distribution of RCS .

应用eN模型作为边界层转捩预测和稳定性比较的数值判据以评定叶栅内边界层流动的稳定性。

The eN method is used for the criterion of the boundary flow stability and transition prediction in the blade cascade boundary flow stability problem .

使用GAO-YONG方程组对不可压转捩/湍流平板边界层的计算

The Calculation of Incompressible Wall Boundary Layer Using GAO-YONG Turbulence Equations

Re数对细长锥的稳定性有重要的影响。主要原因是Re数的变化将导致锥面边界层自然转捩位置的改变、因而转捩产生的诱导力矩、诱导阻尼力矩随之发生变化。

The main cause is the variation of Re number induces to change the position of nature transition of boundary layer in cone face , thus , the induced moment , the induced damping moment of the transition are changed .

当加大PSB弱扰动的幅值后，流动中首先出现塞流结构，即第一次转捩。

When increase the amplitude of the weak PSB disturbance , slug structure is formed in pipe flow firstly , this is the first transition .

本文采用直接数值模拟（DNS）的方法，模拟了平板边界层的转捩过程及充分发展的湍流。

Temporal mode direction numerical simulation ( DNS ) has been done for the process of laminar-turbulent transition and the fully developed turbulence in an incompressible boundary layer on a flat plate .

使用HPPD对典型高负荷叶片T106进行了LES计算，结果表明，计算时间合理，可以准确预测层流分离、转捩、湍流再附的位置，同时还研究分析了层流分离泡的非定常现象。

The laminar separation , transition and turbulent reattachment were predicted accurately and unsteady phenomena of laminar bubble were analyzed .

它被试用于平板可压缩边界层转捩位置的预测问题中，并将结果与直接数值模拟（DNS）所得进行比较。

It was tested in the prediction of the location of transition for compressible boundary layers on flat plates , and the results were compared with those obtained by direct numerical simulations ( DNS ) .

值得指出的是，2大气压下2H2+O2气体爆轰波后诱导引起的附面层可能经历着从层流向湍流的转捩，而后成为湍流附面层。

It shows that the boundary layer induced behind a 2 atm 2H2 + O2 , mixture detonation wave may undergo a transition from laminar to turbulent and then turn out a turbulent boundary layer .

Gamma-Theta转捩模型在绕翼型流动问题中的应用

Application of gamma-theta transition model to flows around airfoils

因此，本文从转捩流动的物理特征出发对湍流模式中的混合尺度作出了修正，提出了一种考虑间歇函数影响的k-ωSST两方程湍流模式。

So , the mixing length scale in the k - ω SST model is modified according to the characteristic of transition flow and a modified k - ω SST two-equation model taking account of intermittence function effect is put forward .

为考察转捩射流中拟序结构的空间演化过程及其对不同Stokes颗粒扩散的影响，采用有限容积方法和分步投影算法对三维气固两相射流进行了直接模拟。

To investigate the spatial evolution of coherent structures and its effects on particle dispersion at different Stokes numbers in transitional jets , the finite volume method and fractional-step projection schemes were used to directly simulate a three-dimensional gas-solid two-phase jet .

不同初始扰动引起转捩，直至breakdown前，二维波的幅值都是不一样的，但平均流修正开始快速增长的位置是相同的，平均流修正快速增长的过程也是大致相同的。

Different initial disturbers all caused transition , the amplitudes of two-dimensional waves were not the same until the breakdown , but the positions where mean flow was modified rapidly were the same , the processes that the modification of mean flow increased rapidly were almost the same .

本文以三维不可压缩粘性流体的Navier-Stokes方程为数学模型对圆柱绕流问题作直接数值模拟，研究圆柱尾迹三维转捩区间转捩特征和动力学过程。

The flow past a uniform circular cylinder is studied in detail by direct numerical simulations of three-dimensional incompressible Navier-Stokes equations . The features and dynamics for various Reynolds numbers in the three-dimensional transition regime of the cylinder wake are investigated .

首先，研究了高超音速零攻角小球头锥边界层的稳定性特点，并用e-N法进行了转捩预测。

Firstly , stability of a hypersonic boundary layer on a blunt cone with small nose bluntness at zero angle of attack has been investigated and the transition location was predicted by the e-N method .

在二维零攻角来流情况下，考虑了两种流动状况，一种是完全层流无转捩；另一种为采用Batt边界层转捩准则来确定边界层转捩点。

There are two states to be considered here . One is the complete laminar boundary layer and the other is the boundary layer transition . The transition point is confirmed by Batt boundary layer transition criteria .

平板边界层转捩过程中低频信号的产生

On the generation of low-frequency signals in a transitional boundary layer

基于柱状粗糙元的边界层人工转捩试验研究

Experimental investigation on boundary-layer artificial transition based on transition trip disk

二维平行壁面剪切流动的转捩与混沌模型

The Transitional and chaotic Models of Two-dimensional Parallel Wall Shear Flows

高超声速小钝锥尾流转捩规律与光电特性

Transition rule and optics-electricity characteristics of hypersonic slightly blunted cone wakes

对层流边界层稳定性与转捩的实验研究

An experimental study on the laminar boundary layer instability and transition

简单剪切流动中转捩的低维模式与数值模拟

Low-dimensional modeling and numerical simulation of transition in simple shear flows

10°尖锥转捩诱导负荷的实验研究

Experimental study of transition induced loadings on 10 ° sharp cone

转捩射流中涡结构与颗粒扩散的直接模拟

Direct simulation of vortex structures and particle dispersion in transitional jets

串列双圆球的流场转捩研究

Study on transitions for flow past two spheres in tandem arrangement