牛顿流体

椭圆柱体在牛顿流体中运动的格子Boltzmann方法模拟

Lattice Boltzmann simulations of moving elliptic cylinder ina Newtonian fluid

用格子Boltzmann方法模拟椭圆柱体在牛顿流体中的二维运动

Lattice Boltzmann simulation of an two-dimensional moving elliptic cylinder in a Newtonian fluid

应用多重网格法，求解得到了指数率（PowerLaw）非牛顿流体在线接触时变变温条件下的弹流润滑数值解。

With the multi-level method , a numerical solution was obtained for the power law fluid in the EHL line contact considering the thermal and transient effects .

UV丝印油墨表现出非牛顿流体的特征，具有触变性，应力增长和动态粘弹性。

Lastly , all ink samples have the typical non-Newtonian behavior 、 thixotropy 、 overshoot and dynamic viscoelasticity .

随着温度的升高，稠度系数K减小，流变指数增大，更趋向牛顿流体。

With increase of temperature , the consistency index K declined , the flow index n increased and the ginger paste trend to Newton fluid .

结果表明：同常规PET相比，MTA合成的PET样品的熔体同属于假塑型非牛顿流体；

The results showed that : melt of PET synthesized with MTA is non - Newtonian pseudoplastic fluid .

平面非牛顿流体在m1时的径向流动

The radical flow of plane non-Newtonian fluid when m1

实验结果结果表明：湍动状态下，牛顿流体与非牛顿流体宏观流动的差别主要在于CMC水溶液粘度增大而引起的主体流动减弱。

The main difference is that the velocity of CMC solution is weakened because of high viscosity .

在交错网格中，用MAC方法求解非牛顿流体的二维不可压NS方程。

Two dimensional incompressible N S equations for non Newtonian fluid was solved by using MAC method in staggered grids .

室内实验中观测了CO2泡沫压裂液的形成、动态变化、泡沫结构，测定了CO2泡沫压裂液的流变性，发现其属于假塑性非牛顿流体。

So laboratory measurement and study are made on preparation of CO2-foam fracturing fluid , rheological measurement and friction computation methods in this paper .

体系在相反转点前为W／O结构，其粘度几乎不随剪切应力的改变而改变，表现为牛顿流体行为；

The viscosity of the system before the phase inversion point is almost constant independent on stress , which is the characteristics of Newtonian fluid .

以上随体Maxwell流体为非牛顿流体介质，探索了一种用谱方法解析处理水平圆管内非牛顿流体非定常流动的方法。

In the present investigation , the unsteady flow of upper-convected Maxwell fluid in a horizontal circular pipe is studied by spectral method .

在所研究的浓度范围内（4～8%），甲壳素黄原酸酯溶液均属于切力变稀非牛顿流体，且随着甲壳素浓度的增加和温度的降低，n值不断减小。

The rheological properties of 4-8 % chitin xanthate solution are investigated for the first time : the chitin xanthate solution belongs to shear-thinning fluid . non-Newtonian Index increases with increasing solution temperature and decreases with concentration .

液晶（LC）高分子是在一定条件下能以液晶相态存在的高分子，是一种各向异性的粘弹性非牛顿流体。

Liquid crystalline polymer ( LCP ) is a polymer that exists in liquid crystalline phase in some conditions . It is an anisotropic viscoelastic non-Newtonian fluid .

结果表明：在母粒制备中，共混体系均为切力变稀非牛顿流体，随着成孔剂含量的增加，共混体系表观粘度ηa随的γw增大而下降，并趋于缓慢；

The results show that the blend system is a shear-shining and non-Newtonian liquid , and the higher _w , the lower η _a and being slowness with the increasing pore-forming agent .

数值模拟时，流场的基本方程为不可压缩牛顿流体的Navier-Stokes方程（N-S方程）。

In the simulations , the incompressible Navier-Stokes ( N-S ) equations are used as the basic control equations to describe the turbulent channel flow .

对喂料进行流变学分析，得出该喂料是一种非牛顿流体，符合MIM工艺的要求。

For rheological analysis of feeding , it was proved that the feed is a kind of non-newtonian fluid , reached MIM process requirements .

p-Laplacian方程组在非牛顿流体问题，非线性弹性问题及冰川学等研究中有应用，并且在方程的理论研究中受到重视。

System of p-Laplacian equations has application in the study of non-Newtonian fluid , nonlinear elasticity and glaciology .

用回转兼上下动搅拌器混合高粘度牛顿流体和非牛顿流体时，在层流域测定了功率数KP、混合时间TM和Metzner常数KS。

The power consumption Kp , mixing time Tm and Metzner constant K (?) of a rotating impeller with up-and-down motion were measured for mixing highly viscous Newtonian and non-Newtonian fluids under a laminar regime .

研究结果表明：醇溶木质素溶胶粘度的对数（lgη）与浓度正相关，表现出非牛顿流体特征。

The result indicated that the logarithm of viscosity of alcohol - ( soluble ) lignin sol was positively correlated with concentration and exhibited pseudoplastic characteristics .

MR流体具有的独特性质在于：在强磁场的作用下，可由牛顿流体变为粘塑流体，而变液阻尼器则具有结构简单、体积小、工作连续可逆，能耗小等优点。

MR fluid has its unique property : It can become from Newton flu-id to viscoplastic fluid under the action of strong magnetic field , the rheological fluid damper has the advantages of simple structure , small volume , reversible and continuous work and less energy consumption .

利用格子Boltzmann方法分别模拟了在同等初始条件下释放的单个带电和不带电弹性哑铃在牛顿流体中的运动。

Based on the lattice Boltzmann method ( LBM ), the sedimentations of a single charged and un-charged elastic dumbbell in a Newtonian fluid under the same initial conditions have been simulated .

CCSD在亚浓溶液中呈现非牛顿流体中剪切稀化的特性，CCSD分子间存在疏水性胆固醇基之间的非极性―非极性相互作用力。

CCSD solution exhibits a pseudoplastic fluid behavior , and the intermolecular non-polar / non-polar interactions between cholesteryl groups exists in its semidilute regime .

采用经典Galerkin有限元法和Newton-Raphson迭代法，配合适当的边界条件实现了微流道中牛顿流体和剪切变稀流体前沿喷泉流动的数值仿真。

Numerical Simulation of Fountain Flow for Newtonian and non-Newtonian Fluid Front in micro-channel was realized by using general Galerkin finite element method and Newton-Raphson iteration method with appropriate boundary conditions .

树脂流动阶段的模拟是根据牛顿流体在多孔介质中的渗流理论，应用Darcy定律并使用有限元/控制体技术建立起来的；

The formulation for the flow model is given using the finite element / control volume ( FE / CV ) technique based on Darcy 's Law of creeping flow through a porous media .

计算结果表明，铁磁流体润滑的平板滑块的性能与牛顿流体或Bingham塑料润滑的平板的性能显著不同。

The calculated results show that the performance of the ferrofluid lubricated plane sliders is different obviously from the performance of plane sliders lubricated with Newtonian fluid or Bingham plastic .

建立了振动力场作用下单螺杆挤出机计量段物理模型，在Stokes假设基础上，得到了螺槽内牛顿流体速度分布的解析解。

The model of the metering zone of the single screw extruder in a vibration force field is set up . Based on Stokes assumption , the approximate analytical solution of Newtonian fluid velocity is obtained .

梅兹纳（Metzner）常数是计算非牛顿流体的搅拌功率时必须的基础数据。

Metzner constant is the basic data that apply to the evaluation of Mixing Power of non-Newtonian fluid .

根据牛顿流体在二维平板间的流动模型推导出了压裂液在裂缝面上的压降方程，利用ANSYS自带的语言编写了命令流，实现了程序的自动运行。

The hydraulic pressure expression on the fracture face along the fracture length was deduced based on Newtonian fluid flowing between two-dimensional parallel plates model . A command file was written using ANSYS Parametric Design Language ( APDL ), making the simulation process carry out automatically .

ER智能材料是一种可控流体，它在电场的作用下可从牛顿流体变为剪切屈服应力较高的粘塑性体，且这种转变连续，可逆，迅速。

ER intelligent material is a kind of controllable fluid . It can be transformed from the Newton fluid into the viscoplastic solid with a finite yield shear stress when an electric field is applied , and the transformation is continual , reversible and rapid .