小振幅的振动剪切流。
首先,对真实气泡在剪切流场中的升力进行了实验研究。
The experimental study on lift forces on transformable bubbles in shearliquid has been performed.
研究强粘性剪切流稳定性方程组的物理尺度及其相互关系。
The physics scales and their relations of the ?uid mechanics equations are investigated on the strong viscous shear ?ow.
剪切流场中分散相颗粒的受力特性较普通重力式分离场复杂。
The suffering force characteristics of grains in the shearing field are more complicated than that in common gravity type separating field.
计算了剪切流场中阿尔文波的传播过程,以及磁层中阿尔文波的耗散。
The propagation process of the Alfven wave in a shear velocity field is calculated, and the dissipation of Alfven waves in the magnetosphere is given.
本文对撞击剪切流,即射流剪切层撞击顺流放置的平板的流动,进行了实验研究。
The experimental investigations were performed on the impinging shear flow that is comprised with a jet shear layer impinging a plate parallel to the jet.
利用理想磁流体力学模型对有轴向剪切流的Z箍缩等离子体不稳定性进行了分析。
A magnetohydrodynamic formulation is derived to investigate the mitigation effects of the sheared axial flow on the Rayleigh-Taylor (RT) instability in Z-pinch plasma.
总结了聚合物熔体在剪切流场壁面滑移研究的成果,提出了Z W模型的物理概念。
This paper sums the study results on wall slip of polymer melt in shear flow, which leads to the physical meaning of the developed Z-W model.
通过对简单的压力流和剪切流较精确的模拟,得出了流体在不同膜厚下的流动特性。
The flowing characteristics at different film thickness are gained by accurately simulating Poiseulle flow and Couette flow.
在重力式油水分离场中,剪切流场主要存在于各种聚结填料中和器壁的流动边界层内。
In the gravity type oil water separating field, the shearing field mainly exists in all kinds of collison packing and flow boundary of vessel.
当基态运动为剪切流(或较差旋转)时,这一性质将使不稳定波自动演化到准稳阶段。
When the motion of the basic state is the shear flow (or the differential rotation), this property means that the unstable waves would evolve automatically into the quasi-stationary stage.
我们还发现,含有较强快波分量的扰动可从磁层顶剪切流场中获得能量而得到线性放大。
We also find that the fluctuations with stronger fast mode oscillations can gain more energy from the background shear flow and get amplified as a result.
然后采用基于FW - H方程的剪切流噪声模型,求解了蒸汽流场内的噪声源幅度分布。
Subsequently, the distribution of noise emission sources within the flow field was found by using FW-H equations, based on a shear-layer noise model.
本研究采用浸入边界法模拟二维红细胞在线性剪切流中的形变,观测细胞的坦克履带式运动。
In this paper, the deformation of two-dimensional red blood cell in linear shear flow is simulated using the immersed boundary method to observe the tank-treading motion.
从简化的颗粒运动方程出发,分析了在剪切流场中颗粒脉动强度和流体脉动强度之间的关系。
The relationship between turbulent intensity of particles and those of the carrier fluid was studied theoretically based on simplified particle motion equation.
但对一些由剪切引起的流动,如平面平行剪切流,线性稳定性分析的结果与实验结果相差很大。
For other flows, notably those driven by shear forces, the predictions of eigenvalue analysis fail to match experiment, for example plane parallel shear flow.
基于此种实验研究框架,本文对轴对称自由剪切流、变密度轴对称射流以及圆柱尾迹进行了一定的研究。
The dynamics of axisymmetric free shear flows, axisymmetric variable-density jets and wakes of cylinders have been studied, to a certain extent, under this framework.
研究了利用陶瓷微孔膜管在高速剪切流剪切作用下形成微气泡的条件,流体物性对气泡粒径分布的影响。
This condition of using ceramic microporous tube to produce microbubbles by high-speed cross-flow and the effect of Liquid properties on the initial bubble size distribution were studied.
自由剪切流是一种典型的包含转捩和湍流的流动现象,而平面射流是一种比平面混合层复杂的自由剪切流。
The free shear layer is a typical flow phenomenon which includes transition and turbulence. The plane jet is a type of free shear flow more complicated than the plane mixing layer.
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 experimental results indicate that the turbulent near wake flow is dominated by the dynamic and kinematic characteristics of vortices at relatively high Reynolds number.
基于剪切功率的耗散机理,提出了一种计算振动剪切流场中聚合物熔体动态黏度的粘性耗散法,并建立了理论模型。
Based on dissipation mechanism of shearing power, a new method of modeling dynamic viscosity of polymer melts in vibrating shear flows was proposed in this paper.
研究较全面分析了气体压缩性、液体粘性、表面张力效应、液气密度比以及滑移速度等重要因素对气体剪切流稳定性的影响。
The effects of parameters such as the gas compressibility, the liquid viscosity, surface tension, density ratio , and velocity ratio, have been considered.
强迫一种冷的材料流动会产生极大地剪切能,并在螺杆的流道中产生降解。
Forcing a cool material to flow can generate excessive shear energy and localized degradation in the screw's flow channel.
经典成核理论假设气泡核的形成是在静态条件下发生的,它没有反映在口模流场中动态因素(拉伸、剪切等)对气泡成核的影响。
Because classical nucleation theory supposes that bubble formation is occurred under static state, it doesn't reflect the effects of dynamic factors on bubble nucleation, such as shear and elongation.
结果表明,由于雷诺胁强的径向变化,托卡马克等离子体可以自发地产生剪切极向流。
The results indicate that the sheared poloidal flow can be generated in the plasmas due to radial variations in Reynolds stress.
研究了在具有剪切本底流的非磁化等离子体中离子声波的激发及其与涡旋的转化。
Temporal evolution of the low frequency electrostatic perturbations in an unmagnetized plasma with strong shear flow is investigated.
结果表明,雷诺胁强的径向变化可以自发产生托卡马克等离子体的剪切极向流。
The results indicate that the sheared poloidal flow can be generated in tokamak plasma due to the radially varying Reynolds stress.
为了使加降凝剂的原油实现长距离的管输,就管流剪切速率进行了实验室模拟研究。
Laboratory simulating studies are made on shear rate of pipe flow for purpose of realizing long distance transportation of additive crude oil.
螺旋式罗茨泵在稳定过流剪切敏感介质压力脉动质量,减少噪音、振动,避免气蚀等方面有较大改善。
Helical Roots pump has great improvements on the face of stabilizing pressure pulse quality of passing cut sensitivity medium, reducing noises and vibration, avoiding vapor fret etc.
该矿床产于弧后扩张盆地的勉戈组流纹岩中,受韧性剪切带控制。
The deposit occurs in the rhyolite area of Miange Formation within the back_arc spreading basin and is controlled by a shearing belt.
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