湍流尺度
- 网络turbulent scale;turbulence scales;Turbulence Length Scale
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选取考察的几个有代表性的因素为:湍流模型、转捩过程、湍流尺度、电子组分脉动初始条件等.由结果可以看到,湍流转捩过程和湍流尺度对雷达散射截面值影响不大;
Several representative factors chosen to examine are turbulence modeling , turbulent transition course , turbulent scale and the initial condition for the fluctuation intensity of electron concentration .
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计算中湍流度取为10%~80%之间,湍流尺度为10-5~4m。
The turbulence intensity was varied from 10 % to 80 % and the turbulence length scale was varied from 10 μ m to 4 m.
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森林冠层上湍流尺度、耗散率和湍流结构参数
Turbulence Length Scales , Dissipation Rates and Structure Parameters above the Forest Canopy
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湍流尺度对大气激光通信系统误码率的影响
Effects of turbulence sizes on the error rate of atmospheric laser communication system
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有限湍流尺度对红外大气成像系统分辨率的影响
Effect of finite turbulence-scale on the resolutions of infrared imaging system in atmosphere
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分析了湍流尺度的日变化规律,给出了其频数分布。
The daily variations and probability of the inner and outer scale of turbulence were analyzed .
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湍流尺度对高斯谢尔光束闪烁孔径平滑的影响
Effects of the turbulent scales on aperture averaging of a Gaussian-Schell beam propagation in a turbulent atmosphere
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在远离林带以后,林带的作用减弱,随着湍流尺度增大,导致湍流相关系数增大。
The turbulence correlations were higher with the distance from windbreaks and the scale of turbulence increased .
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从G倾斜功率谱和倾斜跟踪残余误差两个方面分析了大气湍流外尺度对倾斜跟踪系统跟踪精度的影响。
The G-tilt power spectrum and the residual variance of tilted tracking as functions of the outer scale of turbulence are deduced theoretically .
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基于湍流大小尺度间动量输运的结构函数方程,提出了一种新的湍流大涡模型(LES)亚格子涡粘模式。
A new subgrid eddy viscosity model is proposed .
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利用PIV技术研究湍流积分尺度
Research into Turbulence Integral Length Scale by PIV
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结果发现,常用风速谱的在高频域的能量分布直接影响抖振的响应,当水平向风速谱和竖向风速谱采用VonKarman谱时,抖振响应值随着湍流积分尺度的增大而减小。
It was found that energy distribution of wind speeds spectra used in high-frequency domain affect the buffeting effects , the buffeting response value is reduced with the increase of turbulence integral scale when the horizontal and vertical wind velocity spectrum with spectra Von Karman spectrum are used .
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研制了一种便携式三波长激光闪烁仪,使用473nm、532nm和671nm三个波长实现了大气湍流内尺度和折射率结构常数的同步测量。
A portable three-wavelength laser scintillometer ( TWLS ) is developed . By three lasers with wavelength of 473 nm , 532 nm and 671 nm , the TWLS system can simultaneously measure refractive index structure parameter and inner scale of atmospheric turbulence .
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基于小波变换的鼓泡塔内气液两相湍流多尺度结构分析
Wavelet analysis of turbulent structure at superficial velocity in bubble column
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壁湍流多尺度湍涡结构推广的自相似标度律
Extended Self-Similar Scaling Law of Multi-Scale Eddy Structure in Wall Turbulence
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子波分析检测壁湍流多尺度相干结构及间歇性
Wavelet analysis of detecting multi-scale coherent structures and intermittency in wall turbulence
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大气边界层湍流积分尺度的分析方法
Methods for Analysis of Turbulence Integral Length in Atmospheric Boundary - layer
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用子波谱分析壁湍流多尺度结构的能量传递
Wavelet Spectrum Analysis on Energy Transfer of Multi-Scale Structures in Wall Turbulence
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湍流大小尺度涡量方程组及其封闭
Large small scale vortex equations of turbulence and its closed
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确定性切变与大尺度随机应变对湍流小尺度结构的作用
Effect of Deterministic Mean Shear and Random Straining Motion on Small-scale Turbulent Structures
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不同地区大气光学湍流内外尺度测量
Measurement of inner and outer scale of atmospheric optical turbulence in different areas
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剪切湍流大尺度相干结构的模式研究
Modelling study of large-scale coherent structures for turbulent shear
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关于湍流多尺度统计理论方法的论证
On validation of turbulence multiscale statistical theory method
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湍流多重尺度结构理论
The theory of multiple-scales structure in turbulence
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湍流内尺度对误码率也有一定的影响,但相对于湍流强度的改变所产生的影响要小。
The effect of inner-scale on BER is smaller than the change of turbulent intensity .
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湍流不同尺度间的相互作用
The Interaction between Different Turbulent Scale
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台风湍流积分尺度与脉动风速谱&基于实测数据的分析
Turbulence integral scale and fluctuation wind speed spectrum of typhoon : an analysis based on field measurements
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用子波系数概率密度函数研究湍流多尺度结构的间歇性
Experimental Investigation of Multi-Scale Eddy Structures ' Intermittency in Turbulent Flow Using Probability Density Function of Wavelet Coefficients
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光束抖动频谱遥感大气湍流外尺度的理论与实验
The theory and experiment of remote sensing of atmospheric torrent external size by light beam vibration frequency spectrum
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风洞试验中对风剖面、湍流积分尺度及湍流谱作了模拟。
The wind speed profile turbulence integral scale , and turbulence spectrum are simulated in the wind tunnel test .