The shear flow of two melts approximately obeyed the power law.
两试样熔体的剪切流动大体上服从幂律。
Combining with three nodes isoparametric axial force element, the new element can be used to accurately calculate the shear flow action between bar and skin in thin-wall structure.
它与三节点等参轴力杆单元组合时可以精确地模拟薄壁结构中杆与蒙皮之间的剪流作用。
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.
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。
The compound of Alkali Surfactant Polymer (ASP) is a kind of viscoelastic fluid, its rheological behavior can be formulated by power law model in simple shear flow within medium shear rate.
就其流变性而言,聚合物溶液和碱—表面活性剂—聚合物(ASP)复合体系均属粘弹性流体,但在中等剪切速率的简单剪切流动条件下,其流变性可用幂律模式描述。
Forcing a cool material to flow can generate excessive shear energy and localized degradation in the screw's flow channel.
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。
Even though MFR values are measured at an unrealistically low shear rate, it might seem that the test would accurately rank different materials for comparative ease of flow.
尽管MF R值是在低剪切速率下测定,与事实不符,但是可以从中准确地区分出不同相对流动性的好坏。
Through solving the blood flow equations for local vessel expansion region, the analytical expressions of blood flow velocity, pressure and wall shear stress were then obtained.
接着,通过求解局部扩张血管段内的血液流动方程,导得血液流速、压力和血管壁切应力的分析表达式。
The role of shear strain rate of an environmental flow in typhoon propagation is investigated using a shallow water model.
利用浅水波正压模式研究了环境流场切应变率对台风移动的影响。
According to the relationship between energy dissipation rate and shear rate, average shear rate to evaluate the shear action for annular pipe flow is obtained by using energy dissipation rate.
根据能量耗散率与剪切率的关系,采用体积平均能量耗散率计算环空管流的平均剪切率,以此来评价环空管流的剪切作用。
Grid-experiments are performed to investigate metal flow and deformation in the shear-extrusion process of tubular components with branches.
通过网格试验研究分析了枝叉管形件剪-挤工艺过程的金属流动情况及其变形规律;
The results show that the mayonnaise processed by high pressure is a shear thinning flow.
结果表明,高压处理后的蛋黄酱是剪切稀化流体。
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.
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。
The diameter, flow, shear rate, draw ratio, pressure difference and degree of profile in different configuration of capillary hole were calculated.
计算不同叶长,叶宽,孔数的喷丝板毛细孔的当量直径,单孔流量,剪切速率,喷头拉伸比,三叶异形孔压力降和异形度。
The interface between two molten polymers, as well as the distribution of flow rate, shear rate and shear stress were obtained by using an iterative calculating scheme .
分析了狭缝口型中的一维复合共挤出流动,叠代计算得到两相界面位置以及速度、剪切速率和切应力的分布。
The results showed that soil detachment rate increased with the increase of flow shear stress, their logarithm was linear.
试验结果表明,土壤剥蚀率随着水流剪切力的增加其对数呈线性关系。
Objective To investigate the effects of steady shear flow on the deformation properties of an adherent leukocyte and its nucleus.
目的研究稳定剪切流动对黏附于血管表面的白细胞及其细胞核变形的影响。
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.
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。
The average shear rate obtained with this method is a more reasonable measurement of the average shear history of fluid in turbulent pipe flow.
对于湍流,按本方法计算的平均剪切率能合理地度量流体的平均剪切历史。
The flow and the shear stress distribution of the channel were computed by limited volume method.
采用有限元分析方法分析通道内的流型和剪切力分布。
The results show that the wavy interface and vortex street are caused by the velocity distribution of shear flow and periodic disturbance at the interface.
研究表明波状界面和涡街是由界面处的剪力流速度分布和周期性扰动所造成的。
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.
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。
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.
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。
This paper discusses the stability of internal inertial gravity wave in the heterogeneous stratified atmosphere when basic flow appears to be weak vertical shear by the WKB method.
本文应用WKB方法研究了在弱非均匀层结大气中,当基本气流具有弱垂直切变时,重力惯性内波的稳定性问题。
The effective shear stress not only generalizes the flow intensity but also summarizes the flow intensities of mean flow velocity, stream power and unit stream power.
这一有效切应力不但是对切应力类水流强度指标的总结,还可以概括平均流速和水流功率等水流强度指标。
Our results show that: (1) The Reynold's number of external shear flow plays a crucial role in leukocyte deformation.
结果表明:(1)外界流场雷诺数是引起细胞变形的重要原因。
The influence of shear flow along the magnetic field accompanied with a plane current layer on the tearing instability is analyzed.
在电流片两侧的基态速度场与磁场相互平行的位形下,讨论了速度切变对撕裂模不稳定性的影响。
If sandpits are near bridge location, its evolution when subject to suitable shear stress of the flow will rapidly cause the bridge foundation instability.
采沙坑距大桥较近时,在水流剪应力作用下沙坑演变可很快造成大桥基础变浅,影响大桥的正常安全运用。
The rotational dispersion coefficient of the fiber in the turbulent shear flow of fiber suspension was studied theoretically.
对纤维悬浮剪切湍流中纤维旋转扩散系数进行了理论研究。
Objective To investigate the effect of vasal viscoelasticity on wall shear stress of pulsatile flow under the influence of Rolling Massage.
目的研究血管粘弹性对脉动血流在扌衮法推拿作用下切应力的影响。
Most of the flames in practical combustors are established in flow fields of the structure of the shear layer of jets.
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。
应用推荐