The panel method was used to predict the wake flow field of propeller.
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。
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 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。
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。
The near wake flow fields are calculated by simultaneously solving the viscous shear layer and the inviscid rotational region.
本文采用联立求解粘性剪切层和有旋无粘区的方法计算了再入钝头体层流近尾流场。
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。
Unsteady flow in the rotor is simulated and contrast between the flow field with wake flow at the inlet and that with uniform one is presented.
对尾迹干扰下的转子非定常流场进行数值模拟,与传统设计定常流动假设下均匀进气的流场对比分析了尾迹干扰的影响。
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。
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。
A dynamic model of the towed system was established in the non-uniform wake flow field, and the shape of the towed system was investigated by finite difference method.
建立了水下拖曳系统在非均匀流场中的力学模型,用有限差分法计算收放缆时拖缆的姿态。
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。
The experimental results indicate that the turbulent near wake flow is dominated by the dynamic and kinematic characteristics of vortices at relatively high Reynolds number.
实验结果表明,在较高的雷诺数下翼型近尾迹流动是一种以旋涡的运动学和动力学特性为主导的湍流剪切流。
The formation and distribution of wake flow behind a large aerial tanker are discussed, Then the mathematic model of disturbance to the refueled aircraft during refueling is given.
研究了大型授油机尾流的形成和分布特点,分析了受油机在不同位置进入黾流时飞机所受的影响,提出了相应的数学建模方法。
The results indicated that in the two-blade impeller, the fluid mainly flowed along the suction side, the velocity is very small on the pressure side, and a typical jet-wake flow has been observed.
由测量结果可知:在双叶片叶轮内,流体基本沿叶片吸力面流动,叶片压力面上的相对速度较低,在压力面出口出现了速度很低的回流区,有明显“射流-尾迹”特征。
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。
Every day I wake up and ask, 'how can I flow data better, manage data better, analyse data better?
每天我醒来都自问,我怎样才能让数据流动得更好,管理得更好,分析得更好?
But suddenly, big money is starting to flow into the ivory tower, as university administrators wake up to the commercial potential of academic research.
但是,大量金钱现在开始流入大学这座象牙塔,因为大学管理者开始意识到学术研究的商业潜力。
Influence of the wake impact effect on the flow field and its average performance in a low speed axial-flow compressor was investigated by using external acoustic excitations.
通过采用外部声激励的方式,在低速轴流压气机内研究非定常尾流撞击效应对压气机流场结构以及时均气动性能的影响。
I do not know how long it took, Li Zhen wake up and found that they have been stuck in the Shucha Shang, and could feel pain, the blood flow to the foot Shun legs.
不知过了多长时间,李贞苏醒后发现自己被卡在树杈上,只觉得疼痛难忍,鲜血顺腿流到脚面。
NPLS images at high spatiotemporal resolution reveal shockwave, expansion wave, boundary layer and wake in the flow.
高时空分辨率的NPLS图像再现了激波、膨胀波、边界层及尾迹等流场结构。
The results show that it is effective, by combining the laser flow visualization and the digital-image processing technology, to reveal the structure of car's wake and to determine the source of drag.
本项研究表明,光学流态显示和数字图象技术相结合,可以有效地揭示汽车的尾流结构,诊断阻力来源。
The calculation model of thermal wake characteristics of submarine in stratified flow is established in this paper.
建立了在密度分层环境中热尾流特性的计算模型。
Flow field of a circular cylinder oscillating in a uniform flow or in a wake was investigated using currently modified virtual boundary method.
用虚拟体方法研究了均匀流及尾流中圆柱横向振荡的流动特征。
Based on the flow field parameters about the turbulent wake and this scattering model, the effects of reentry wake turbulent plasma is analyzed on the radar cross section.
以已有的湍流尾迹等离子体流场数据为基础,分析了再入尾迹湍流等离子体流动对雷达散射截面的影响。
The width of the wake is larger and the base pressure of the plate is lower in comparison with the fully turbulent wake behind a smooth flat plate at the same flow conditions.
与在相同流动条件下光滑平板后的湍流尾流比较,涡街尾流较宽,平板底部压力较小。
Two dimensional particle image velocimetry system is used to investigate effects of the dielectric barrier discharge plasma on the flow field in the wake of circular cylinder cross flow.
利用二维粒子图像测速系统研究了低速风洞实验中介质阻挡放电等离子体对圆柱绕流尾迹区流场的影响。
The numerical simulation demonstrate the details of the flow separation, the wake formation and the secondary flows development.
侧重分析了叶轮内部分离流动和射流尾迹区的形成和特点。
The nonlinear potential flow problem of the surpercavitating flat-plate cascade is solved by employing the wake model.
本文用尾流模型解决了超空泡平板翼栅非线性势流问题。
The results show that the performance of optimized fan is improved by lowering the energy loss which caused by the secondary flow vortex, the volute tongue, the wake-jet and the angle of attack.
研究结果表明:通过优化有效降低了因二次流漩涡、风机蜗舌结构、尾流-射流和正冲角等造成的能量损失,提高了离心通风机性能。
The results show that the performance of optimized fan is improved by lowering the energy loss which caused by the secondary flow vortex, the volute tongue, the wake-jet and the angle of attack.
研究结果表明:通过优化有效降低了因二次流漩涡、风机蜗舌结构、尾流-射流和正冲角等造成的能量损失,提高了离心通风机性能。
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