本文应用谱分析理论研究了剪切湍流场中的压力脉动，包括功率谱、均方值等。
The pressure fluctuations in turbulent shear flows are investigated with the theory of spectral analysis.
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.
本文在大量动态直剪试验的基础上，建立了散体在振动场作用下剪切试验的几个力学模型。
Based on a large number of dynamic shear tests, several mechanical models of dynamic shear test of bulk materials have been established in this paper.
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.
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.
多数实用燃烧装置的火焰建立在具有射流剪切层结构的流场中。
Most of the flames in practical combustors are established in flow fields of the structure of the shear layer of jets.
用双频光栅纹影剪切干涉法对无限热平板的自然对流温度场进行诊断。
This paper deals with the natural convection temperature field of unlimited heated Plate with schlieren shearing interferometry of double frequency gratings.
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.
弹性-粘塑性模型对反平面剪切扩展裂纹尖端的应力应变场进行了分析。
An elastic viscoplastic model is used to analyse stress and strain fields at the tip of a propagating crack under antiplane shear.
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。
The near wake flow fields are calculated by simultaneously solving the viscous shear layer and the inviscid rotational region.
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.
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.
针对瓦斯突出力学破坏过程，采用最大剪切应力理论首次提出了瓦斯突出地球物理场的能量标志。
The paper firstly put forward the energy indication of geophysical field of gas outburst in accordance with the mechanically destroyed process of gas outburst and the maximum shearing stress theory.
对新型高剪切均质机关键部分定转子间隙区、定子槽道区、转子槽道区的内部流场进行了理论分析。
Last, the flow fields of the key parts of the new-type high-shearing homogenizer, the clearance between stator and rotor, the troughs of stator and the troughs of rotor, were analyzed in theory.
利用旋转孔径技术和锥镜剪切技术进行白光散斑剪切照相，检测动态位移导数场。
Rotating aperture cone shearing white-light speckle photography for measuring dynamic derivatives of displacements is proposed in this paper.
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.
结果计算得到了人体主动脉弓内的血液流动在心动周期不同时刻的速度场、压力、壁面剪切应力的分布特征。
Results Distributions of blood velocity, pressure, wall shear stress (WSS) in the human aortic arch at different point during one cardiac circle were determined by calculation.
本课题以三角形排列的三螺杆挤出机三维流场为研究目标，研究内容包括速度场、压力场、剪切速率场等。
The three dimension flow field in the triple-screw extruder with triangle configuration is the research objects, including velocity field, pressure field and shear rate field etc.
指出地幔热流是控制区域性地热场的主要因素，岩浆热流控制了局部高地热场的分布，构造活动产生的剪切热流对俯冲带及剪切带的瞬时古地热场有重要影响。
The mantle heat flow controlled regional geothermal field, the magmatic heat flow controlled high geothermal field in the local areas, the shear heat flow created by tectonic activity made a not...
分析并比较了组合螺杆的熔体输送特性、速度场和剪切速率场分布规律。
Melt pumping characteristics, velocity and shear rate distribution profiles of the screw assemblies are analyzed and discussed.
采用FLAC - 3d模拟了端面效应对岩石试件剪切带图案、速度场和位移场的影响。
FLAC-3D is adopted to simulate the influence of end constraint on patterns of shear bands, velocity and displacement fields.
适当增加流道的长度，可以减小胶料出口处的速度场、剪切速率场的集中程度并使之趋于均匀，能够有效降低挤出胀大和模外熔体偏转流动现象。
The velocity field and shear rate distribution are reduced and uniform along with the proper increase of slip length. The die swell and the interface deflexion phenomenon will be reduced effectively.
作者从断裂力学观点研究了圆盘形纯剪切破裂产生的远场位移，导出了远场位移的解析表达式。
From the point of view of fracture mechanics, we studied the far displacement field produced by a disk-shaped pure shear fracture and obtained an analytic expression for that field.
结果展示了流场、壁面剪切应力及其梯度等血流动力学的时空分布情况。
The results depicted the temporal and spatial distributions of hemodynamic variables such as flow patterns, wall shear stresses and wall shear stress gradients.
从而本文揭示了幂硬化粘塑性材料反平面剪切动态扩展裂纹尖端场的渐近行为。
Therefore the asymptotic behaviour near a anti-plane share dynamic propagating crack-tip field in power-law-viscoplastic material is revealed.
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.
本文采用四边形面积坐标，利用假设剪切应变场方法和广义协调理论构造出一个具有12个自由度的四边形厚薄板通用弯曲单元TACQ。
In this paper, a new quadrilateral thin-thick plate bending element with only 12 degrees of freedom, TACQ, is developed by using the area coordinate method.
当核幔-地表小于6个分层时，本文能解析地给出了粘弹性地球环形场的特征松弛时间。并写出了地表剪切应力激发下的特征函数表达式。
The eigen-relaxation time and eigen-function for viscoelastic toroidal deformation can be analytically given when the total layer number is up to 6 between CMB and earth surface.
当核幔-地表小于6个分层时，本文能解析地给出了粘弹性地球环形场的特征松弛时间。并写出了地表剪切应力激发下的特征函数表达式。
The eigen-relaxation time and eigen-function for viscoelastic toroidal deformation can be analytically given when the total layer number is up to 6 between CMB and earth surface.
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