The panel method was used to predict the wake flow field of propeller. 用面元法计算船舶螺旋桨的尾流场。
Experimental Investigation of Complex Eddy Viscosity Modeling in Wall Turbulence by Disturbance of Cylinder Wake Flow 壁湍流引入圆柱尾流扰动的复涡黏模型实验研究
Laser detection of ship wake flow based on phase-locking amplifier 基于锁相放大的激光尾流场探测技术研究
A direct numerical simulation for threedimensional gas-solid two-phase wake flow of a non-uniform inflow has been carried out. 对非均匀来流三维气固两相尾迹流动做了直接数值模拟。
LES/ FDF simulation of particle dispersion in a gas-particle two phase plane wake flow 稀相气粒两相流的LES/FDF模型及其在平面尾迹两相流中的应用
By the method of water flow pattern visualization with hydrogen bubbles, the near wake flow behind a slit bluff body has been experimentally studied. 采用水模拟氢气泡流动显示的方法对开缝钝体近尾流结构进行了实验研究。
The wake flow of stator vanes and the unsteady flow in the passage of rotor blades were solved by using oscillating fluid mechanics theory and parametric polynomial method. 采用参数多项式方法和振荡流体力学理论,求解静子叶片后的尾流场及尾流场作用下转子叶片通道内的非定常流场。
A particle image velocimetry system was used to measure the secondary flow in the volute cross-section and the blade wake flow. 用粒子图像速度场仪技术对叶片尾迹区及蜗壳出口横截面上的二次流做了详细的变工况测量与分析。
Influence of Temperature Field of Wake Flow on its Velocity Field and Drag Reduction by Heating 尾流温度场对其速度场的影响与加热减阻
Hydrodynamic Characteristics and Analyses of Wake Flow behind Circular Cylinders Installed in An Impinging Jet 冲击射流中圆柱尾流的流动特性与分析
To investigate collisions and erosions of particles and cylinder in the near field of circular cylinder wake, direct numerical simulation of a circular cylinder wake flow was proposed by using high-order finite difference method. 为了研究圆柱近壁区颗粒与柱体的碰撞和磨损问题,采用高精度有限差分的方法对圆柱绕流进行了直接数值模拟。
In this paper, plasma wake flow of hypersonic reentry vehicle and radar scattering characteristics have been studied. 对再入飞行器等离子体尾迹及其雷达散射特性进行了分析、研究和大量的计算。
In order to investigate the mechanism of the particle dispersion in circular cylinder wake flow, gas-solid two phase wake flow of the circular cylinder was directly simulated using high accuracy compact finite difference method in three dimensions. 为了考察颗粒在圆柱尾流中扩散的运动机理,对气固两相圆柱尾迹流动进行了高精度紧致差分方法的三维直接数值模拟。
The scaling of the longitudinal and transverse velocity structure functions is studied experimentally for turbulent jet and cylindrical wake flow. 实验测量了射流与圆柱尾流纵、横向的湍流速度脉动,计算了这两种方向的湍流速度结构函数的标度规律。
PIV study of the airfoil near wake flow 翼型近尾迹流动的PIV研究
A wake flow with relatively lower pressure and recirculation zone exists on the lee side of the injector. 在喷口后的背风区,存在具有低压和回流区的尾迹。
In order to evaluate the security of an underwater towed system which is deployed or retracted from the up stabilizer of a submarine, the near wake flow field of the propeller and hull was calculated. 为了对置于潜艇尾部的水下拖曳系统在收放缆时的安全性进行评估,计算了螺旋浆和艇体的尾流近场。
In terms of the interrelation between the vorticity vertor and the moving body, the influence of the longitudinal stern vortex on the wake flow is discussed. 根据涡量场与物体相互作用的关系,讨论了纵向尾涡对伴流场的影响。
Characteristics of wake flow behind the stabilizing rod were obtained. 数值模拟首先得出了圆柱形稳定杆后的卡门涡街,并进一步给出了火焰锋面在传播中的特征。
PIV study of airfoil near wake flow part ⅱ dynamic mechanism 翼型近尾迹流动的PIV研究&动力学机制
Application of Hilbert-Huang Transform in Analysis of Duffing Equation and Wake Flow over a Cylinder Hilbert-Huang变换方法在Duffing方程和圆柱尾迹流分析中的应用
The result shows that there exists neither flow separation nor apparent wake flow within an non-overload centrifugal impeller. 结果表明,无过载离心叶轮内部流动既没有出现分离,也没有明显的尾迹区存在。
Experimental study on the turbulent hierarchical structures of jet and cylindrical wake flow 射流和圆柱尾流湍流层次结构的实验研究
Then, based on the principle of quantity optics and radiance of plasma, authors model the reentry process of the spacecraft and determine the reentry trace, the colors and shapes of the turbulent trail and wake flow of the spacecraft. 然后根据量子光学及等离子体辐射原理对航天器再入大气层的过程进行了建模,确定出其再入轨迹、航天器尾焰和尾迹的颜色和几何形态。
The bow shock structure of blunted cone wake flow is observed by the method of Kolmogorov entropy minimum values. 用Kolmogorov熵极小值方法,观测到了锥体尾迹流场的主激波结构。
The coherent structure of vortices in the near wall region of the plane wake flow were studied by describing the evolution of the eddy structures, including the forming, developing and shedding from the wall of the vortices in the near wall region; 分析了平面尾迹流场中近壁处旋涡拟序结构,全面和逼真地反映了近壁处旋涡的生成、发展和脱落的规律;
Karman vortex in the time-averaged wake flow field wolves into a horseshoe-spoon-like three-dimensional structure. 卡门涡在尾迹平均流场中演化产生三维的类似于马蹄形-勺子形的流场结构。
A plasma wake flow field is studied by analyzing the saturated ionic current of multiple scanning probes with the method of chaos dynamics. 用混沌动力学方法对多道扫描静电探针的离子饱和电流信号进行分析,研究了等离子体尾迹流场。
The nonuniformity coefficients were presented to estimate wake flow field at the propeller disk plane in three components. 特别针对受到主要关注的推进器所在剖面的三向伴流场,借助流场不均匀度系数,给出了直观的定量评估。
Experimental investigations on complex eddy viscosity modeling in turbulent boundary layer by disturbance of cylinder wake flow were carried out. 本文对风洞中平板湍流边界层近壁区引入圆柱尾流扰动的复涡黏模型进行了实验研究。