The numerical analysis of time-space structures in the large turning angle axial cascade with a certain large attack angle condition suffered from unsteady incoming wake excitation has been carried out.
本文对大转角压气机叶栅大攻角工况在来流尾迹非定常激励作用下的时空结构进行了数值分析。
Two-dimensional model,where the influence of wall boundary layers is neglected and inlet jet-wake velocity patterns are prescribed,was applied to simulate one vanless diffuser with large width-radius(ratio.
采用二维方法,预先给定扩压器入口的射流-尾迹分布,忽略边界层的影响,对一具有大宽度无叶扩压器进行了数值模拟;分析了扩压器长度、叶轮叶片数目等因素对失速的影响。
Assuming that the flow inside the vaneless diffuser was incompressible two dimensional flow,a state matrix model was established and analysis was made on the jet-wake type disturbance at the inlet of the diffuser based on published literatures.
假设扩压器内部流动为不可压缩的二维流动,采用小扰动方法建立了无叶扩压器的状态矩阵模型,并利用文献中数据对扩压器进口的射流-尾迹型扰动进行了分析。
The emphasis was put on the study of the effect of 8 mm diameter air bubbles arranged at different spatial positions on the rear wake flows and their interactions.
重点研究不同空间布置的8mm气泡对后面的尾迹流及其相互作用。
An experimental study on the properties of the wake in a horizontal-axis wind turbine(HAWT) rotor were carried out at model scale,and the formation and development of the three-dimensional wake were obtained using a single slanted hot-wire probe and phase-locked averaging technique.
在水平轴风力机模型不同尖速比条件下,利用旋转单斜丝热线在风轮下游进行尾迹流场速度测量。
The wake behind a three-blade horizontal-axis wind turbine model has been investigated at model scale, using a single slanted hot-wire probe.
利用单斜丝热线旋转进行水平轴风力机模型的尾迹流场测量。
An experimental investigation into the properties of the wake behind a horizontal-axis wind turbine (HAWT) rotor is carried out at model scale, using a single slanted hot-wire probe.
在水平轴风力机模型不同尖速比条件下,利用旋转单斜丝热线在风轮下游进行尾迹流场速度测量。
Jet-Wake Type Disturbance Analysis in Vaneless Diffuser
无叶扩压器内的射流-尾迹型扰动分析
Experimental Study for Wake Vortices of an Impinging Jet in Crossflow
横流冲击射流尾迹涡结构的实验研究
Analysis of the Scattering Characteristic for the Hypersonic Flow Field with Near Wake Region of Sphere
高超声速圆球绕流流场及其近尾尾迹流场电磁散射特性分析
Furthermore, the horseshoe shape vortex system occurred to the upstream of the jet exit and the layer structure of vortexes occurred to the wake of the reverse flow region downstream of the jet are also investigated.
另外，观测到射流喷口上流的马蹄涡系以及射流逆流区下游尾迹区旋涡的层状结构形式。
Calculation of radar cross section of the reentry wake turbulence and analysis for the characteristics
湍流等离子体尾迹雷达散射截面的计算及其影响因素分析
Experimental and Numerical Investigation on the Effect of Trailing Edge Blowing on the Flow of the Wake;
尾部喷气对尾迹区流动影响的实验和数值研究
Oliver (1942,1948) has followed meteor trails to measure winds.
奥利弗（1942，1948）曾跟踪流星尾迹测量风。
Simulation research of SAR remote sensing of turbulent wake of underwater moving body
运动潜体湍流尾迹的SAR遥感仿真研究
Flow Characteristics of Stator Wake in Small Axial Compressor
小型轴流压气机静叶排出口尾迹流动特性
Analysis of wake pattern and vortex evolution in flow past circular cylinder
圆柱绕流尾迹流态特征和涡的演化过程分析
Theoretical Model of the Large-Scale Eddy Structures in the Near Wake Region Behind an Airfoil
翼型近尾迹流中大尺度涡结构的理论模型
Experiments on the wake-generated internal wave by a sphere in a linearly stratified fluid
线性分层流体中小球生成尾迹内波实验研究
Experimental study on time series structures of the wake in a linearly stratified fluid
分层流体中尾迹时间序列结构的实验研究
Effects of non-axisymmetric IGV wakes on a low speed axial compressor
非轴对称导叶尾迹对低速轴流压气机的影响
LBM simulations of wake vortex patterns at low Reynolds numbers behind a row of square cylinders
低Reynolds数下单排方柱绕流尾迹涡型的LBM模拟
THE INVESTIGATION FOR INFLUENCE OF WAKE ON SECONDARY FLOW IN A TURBINE CASCADE
涡轮叶栅尾迹对二次流影响的试验研究
The oscillation is called a laser wakefield because it trails the laser pulse like the wake produced by a motorboat.
这个震盪称为雷射尾迹场，因为雷射脉冲的轨迹，就像机船在海面上所产生的船痕。
Optimization of Fire Position for Wire-Guiding+Wake Homing Torpedo
线导+尾流自导鱼雷射击阵位优化研究