位置：成果数据库 > 期刊 > 期刊详情页
吹吸扰动对壁湍流边界层摩擦阻力的影响
  • 期刊名称：航空动力学报
  • 时间：0
  • 页码：2163-2168
  • 语言：中文
  • 分类：O357.5[理学—流体力学;理学—力学]
  • 作者机构：[1]天津大学机械工程学院力学系 天津市现代工程力学重点实验室
  • 相关基金：国家自然科学基金(10832001,10872145)
  • 相关项目：基于瞬态三维层析技术的湍流相干结构特征及其控制机理的实验研究
作者： 夏振炎|王玉春|田砚|姜楠|
关键词： 吹吸扰动, 摩擦阻力, 湍流边界层, 相干结构, 子波分析, blowing and suction, friction drag, turbulent boundary layer, coherent structures, wavelet analysis
中文摘要：

对风洞中平板湍流边界层施加局部周期性吹吸扰动,并用IFA-300热线风速仪测量了其近壁区域不同法向位置瞬时速度的时间序列信号.利用湍流边界层对数律平均速度剖面,计算湍流的壁面摩擦阻力.对平板湍流脉动速度信号用子波分析进行多尺度分解,通过条件采样以及相位平均的方法获得不同尺度下的相干结构波形和能量分布,来研究吹吸扰动对平板湍流边界层的摩擦阻力的影响.结果表明,扰动使得窄缝附近流动阻力增加,而下游区域流动阻力减小.

英文摘要：

An experimental study was carried out to investigate the effect of local forcing on the friction drag of a turbulent boundary layer.The local forcing was given to the boundary layer flow by means of a sinusoidally oscillating jet issuing from a thin spanwise slot at the wall.The relationship among some inner-scales physical parameters,e.g.the mean-velocity profile,skin friction velocity and fluid dynamics viscosity,and the relationship between skin friction velocity and skin friction shear stress were taken...

同期刊论文项目
尾迹引起的边界层旁路转捩机理及其控制的实验研究
期刊论文 67
基于瞬态三维层析技术的湍流相干结构特征及其控制机理的实验研究
期刊论文 41 会议论文 14
同项目期刊论文
壁湍流周期性吹吸减阻的实验研究
轴流风机中雷诺应力与应变滞后涡黏模型的PIV实验
湍流边界层空间特征尺度的层析TRPIV测量
湍流涡黏性模型方程中相位差的测量
圆柱尾流雷诺应力与平均运动变形率的空间弛豫效应
Drag reduction by periodic pressure/suction perturbations of wall turbulence
湍流边界层相干结构剩余脉动雷诺应力项的实验测量
Experimental research on complex eddy viscosity modeling of multi-scale coherent structures in wall
湍流边界层相干结构空间拓扑形态的层析TRPIV测量
Dynamic mode decomposition of hairpin vortices generated by a hemisphere protuberance
雷诺应力各向异性涡黏模型的层析TRPIV 测量
Large Eddy Simulation of Atomization Process of non-Newtonian Liquid Jet
Tomographic PIV investigation of coherent structures in a turbulent boundary layer flow
Experimental study on the local similarity scaling of the turbulence spectrum in the turbulent bound
基于小波变换的高超声速边界层动态图像分析
湍流及其控制综合性、研究型、开放式教学实验
Wavelet spectrum analysis on energy transfer of multi-scale structures in wall turbulence
壁湍流能谱局部相似性标度的实验研究
沟槽壁湍流减阻机理的氢气泡流动显示及数字图像分析
用子波谱分析壁湍流多尺度结构的能量传递
圆柱尾迹影响下旁路转捩末期发卡涡涡包的实验研究
PIV experiment of Reynolds stress-strain lag eddy viscosity model in axial fan
Simulation of drop formation and breakup from capillary tube at low flow rates
The Experimental Investigation of Energy Transfer in wall Turbulence Based on Wavelet Transform and
Numerical Study of non-Newtonian Liquid Sheet Primary Breakup
湍流边界层空间特征尺度的层析TRPIV 测量
Second mode unstable disturbance measurement of hypersonic boundary layer on cone by wavelet transfo
Experimental investigation of Reynolds stress complex eddy viscosity model for coherent structure dy
TR PIV Experimental Investigation on Bypass Transition Induced by a Cylinder Wake
Measurement of phase difference for eddy viscosity model equation of turbulence
雷诺应力各向异性涡黏模型的层析TRPIV测量
基于小波及Hilbert-Huang变换提取壁湍流相干结构
低流量微管末端液滴形成及破碎的数值模拟
Second mode unstable disturbance measurement of hypersonic boundary layer on cone by wavelet transform
Wavelet spectrum analysis on energy transfer of multi-scale structures in wall turbulence
基于连续性条件的体PIV后处理技术
湍流边界层Lagrangian拟序结构的辨识
壁湍流周期性吹吸减阻的实验研究
Initial growth of disturbance in the boundary layer influenced by a circular cylinder wake
ynamic mode decomposition of hairpin vortices generated by a hemisphere protuberance
壁湍流多尺度相干结构复涡黏模型的实验研究
Effect of novel synthetic jet on wake vortex shedding modes of a circular cylinder
相干结构的尺度相似性与尺度相似亚格子模型
轴流风机中雷诺应力与应变滞后涡黏模型的PIV实验
Evolution of vortex structure in boundary layer transition induced by roughness elements
湍流边界层空间特征尺度的层析TRPIV测量
湍流涡黏性模型方程中相位差的测量
Circular cylinder vortex-synchronization control with a synthetic jet positioned at the rear stagnat
Nature of sweep and ejection events in transitional and turbulent boundary layers
Experimental investigation of a novel two-dimensional synthetic jet
圆柱尾流雷诺应力与平均运动变形率的空间弛豫效应
Proper orthogonal decomposition analysis of vortex dynamics of a circular cylinder under synthetic j
Identification of Lagrangian coherent structures in the turbulent boundary layer
湍流边界层相干结构剩余脉动雷诺应力项的实验测量
湍流边界层相干结构空间拓扑形态的层析TRPIV测量
Tomographic PIV investigation of coherent structures in a turbulent boundary layer flow
Dynamics evolution investigation of Mack mode instability in hypersonic boundary layer by bicoherenc
Effects of roughness elements on bypass transition induced by a circular cylinder wake
Synthetic jet control of separation in the flow over a circular cylinder
沟槽壁湍流减阻机理的氢气泡流动显示及数字图像分析
用子波谱分析壁湍流多尺度结构的能量传递
自由来流扰动引起的旁路转捩研究进展
Tomographic TR-PIV measurement of coherent structure spatial topology utilizing an improved quadrant
雷诺应力各向异性涡黏模型的层析TRPIV测量
壁湍流调制雷诺应力和拟序结构应变率空间形态的层析PIV实验研究
基于小波及Hilbert-Huang变换提取壁湍流相干结构
一种单相机三维体视PIV技术及其应用
尾迹撞击平板诱发旁路转捩前期拟序结构的实验研究
低流量微管末端液滴形成及破碎的数值模拟
Second mode unstable disturbance measurement of hypersonic boundary layer on cone by wavelet transform
吹吸扰动控制猝发过程中雷诺应力的实验
机翼平面形状对前缘涡的影响
Effect of wing planform on leading-edge vortex structures
基于组件与设计模式的测控系统
Dynamical mode decomposition of Gurney flap wake flow
Wavelet spectrum analysis on energy transfer of multi-scale structures in wall turbulence
MD-82飞机客舱环境流场的HWA测量与分析