粘滞力

径向粘滞力对含三维磁场等温薄盘不稳定性的影响

The effect of radial viscous force on an isothermal thin disk with three dimensional magnetic fields

用考虑溶剂的粘滞力和热浴随机力作用的分子动力学（MD）方法模拟了聚电解质和两性聚电解质溶液的渗透系数。

Using molecular dynamics ( MD ) simulation considering viscous force from solvent and stochastic force from heat-bath , the osmotic coefficients of polyelectrolyte and polyampholyte solutions are obtained .

测定了金包覆的Si3N经OH和NH2基功能化的金样品之间的粘滞力，得到了作为溶液pH值函数的粘滞力曲线（力滴定曲线）。

The curves of the adhesion force as the function of the solution pH values ( force titration curve ) was obtained .

径向粘滞力对薄盘稳定性的影响

The Effect of Radial Viscous Force on the Stability of a Thin Accretion Disk

表现为刚度上升，形变消耗功和表面非特异性粘滞力降低。

Meanwhile , the stiffness elevates , but Deformation Consumed Work and non-specific adherent force decrease .

当粘滞力起主导作用时，流量当通过主要部分的压力降或正好。

When viscous forces predominate the flow is proportional to the pressure drop across the element .

径向粘滞力是一种在全盘区起作用的致稳因素。

Radial viscous force is a stable factor acting on the whole disk , affecting the instability .

同时，管道正常运营期间还受到管道内压、外压、管内流体粘滞力和土体摩擦力等环境荷载的作用。

The complicated environmental loads may subject submarine pipeline to excessive axial stress , and even to failure sometimes .

本文还对径向粘滞力对盘的稳定性的影响作了物理解释，并发现径向粘滞力的引入不会引入新的稳定或不稳定模式。

It is also found that the introduction of radial viscous force will not give rise to any new mode .

基于粘滞力假说，存在边界润滑、混合润滑密封理论。

There is cavitation and flash based on surface tension and boundary lubrication and mixed film lubrication based on sticky strength .

并且观察到在重力、粘滞力和毛管力作用下，油、气、水运动的特征及纵向分布特点。

The movement and vertical distribution of gas , oil and water controlled by gravity , viscous force and capillary force were observed .

磁场、径向粘滞力和修正的α型粘滞对吸积盘不稳定性的影响

The Affections on the Instabilities of Accretion Disks by Magnetic Fields , the Radial Viscous Force and the Modified α - Tin Viscosity

所以，在波浪物理模型试验中不能简单地采用重力相似准则也不能采用粘滞力相似准则来确定风速比尺。

Based on the similarity law of wave action and sediment motion , the similitude criterion for the sandy beach model is derived .

当中间层为粘性液体如石蜡基中性油时，粘滞力对粘着特性的影响较大；

When the middle liquid layer is a high kinematic viscosity liquid , such as neutral paraffine , the viscous force greatly affects the adhesion characteristics .

该模型考虑了水影响下的水泥后期水化和孔隙水的粘滞力对饱和混凝土弹性模量的影响。

The influences of cement further hydration and water viscosity in pores and cracks on the elastic modulus of saturated concrete are taken into account in the model .

土壤粘附强度主要由毛细管作用力和界面水膜粘滞力构成，固体表面性质对其产生影响。

The soil adhesive strength is mainly composed of capillary pressure and viscous resistance of the water film , which are affected by the nature of solid surface .

着重研究了径向粘滞力对含径向对流吸积盘的径向-环向不稳定性的影响。

We find that the introduction of radial viscous force have no influence on stability of viscous and thermal modes , but more influence on the stability of acoustic modes .

以此方程对实验测量结果进行非线性拟合，得到了水流速度与时间的关系函数，摩擦系数与侵蚀强度的关系式及流体粘滞力与泥沙含量的关系式。

By nonlinear simulation of the experiment data , we obtained functions between velocity of flow and time , the friction coefficient and erosion intensity , and the viscosity force and sediment concentration in flow .

提出并建议以粘滞力或界面能作为判断原子力显微镜疏水性作用力曲线测量准确性的可能标准之一。

In terms of our research results , we proposed and suggested " the adhesion force or the interface energy " as the at least one of the criterions of the hydrophobic interaction force curves measured by AFM .

但通道尺寸过小和流速过低的情况下，微多孔表面对气泡产生较大的粘滞力，从而对传热产生不利影响。

When the channel size was too small and the flow rate was too low , a greater adhesion force on the bubbles generated in the micro-porous surface , which had an adverse affect on the heat transfer .

分析了裂缝性油藏注气开采过程中的流体动力学行为，对各种驱动因素包括粘滞力、毛管力、重力及分子扩散等作用下的油气流动规律进行了描述。

Fluid dynamical behaviors , induced mainly by viscous forces , capillary forces , gravity and diffusion , are analyzed for the gas injection process in a fractured reservoir . Especially , molecular diffusion is focused on . 3 .

利用灰色理论，对影响桩基础极限承载力的因子：桩周土容重、压缩模量、粘滞力、内摩擦角以及桩长和桩径进行灰色关联分析。

The influencing factors of ultimate bearing capacity of pile foundation are analyzed by Grey Sys - tern Theory suth as bulk density of soil around pile , soil compression modulus , cohesion , internal friction angle , pile length and pile diameter .

当重力与粘滞力之比超过150时，淤泥的粘性和初始堆积形状的影响即可忽略。

When the ratio of gravity to viscous resistance is over 150 , i.e. the ( ppp ) r > 150 , the influences of viscidity of ooze and initial fill form of the ooze-rock can be all neglected in the back flow of the ooze-rock .

本文利用过渡矩阵，先把Navier-Stokes方程中的粘滞应力张量由笛卡儿坐标系变换到球坐标系，然后对Navier-Stokes方程进行球坐标列矢量变换。

Puts forward a simple method using the transitional matrix . Firstly transforms Cartesian coordinates of stress tensor , which in Navier-Stokes equation , to spherical coordinate , then does vector transform of spherical coordinate to Navier-Stokes equation .

在实验数据中考虑空气粘滞阻尼力的影响，可使实验误差从4.3%降低到0.3%。

If the viscosity resistance is made allowance for experimental data , the experimental error can be reduced from 4 . 3 % to 0 . 3 % .

这些公式由于去掉了普朗特关于粘滞应力较小及总应力沿管径不变的假设，因而理论上比普朗特的圆管紊流公式更为合理。

Because Prandtl 's two hypotheses the viscous stress is less and the total stress is not variable along the radial are canceled in these formulas . the formulas are theoretically more rational than Prandtl 's turbulent formulas in pipe .

本文对海洋平台结构地震反应运动方程中的非线性流体阻力项，按振动一周力作功相等的原则，等效为线性的粘滞阻尼力。

In this paper , the nonlinear fluid drag term in motion equation of an offshore structure subjected to an earthquake is replaced by a linear viscous damping according to the principle that all works done by different forces are equal within one complete cycle of steadystate forced vibration .

即叠层橡胶支座采用弹性恢复力模型和粘滞阻尼恢复力模型；

The elastic hysteresis model and the viscous damping hysteresis model were used for laminated rubber bearing ;

滑板摩擦隔震支座采用双线性库仑摩擦阻尼恢复力模型和粘滞阻尼恢复力模型。

The bi - linear coulomb damping hysteresis model and the viscous damping hysteresis model were used for sliding friction isolating bearing .

有三种摩擦状态：干摩擦、滑动摩擦和粘性摩擦。滑板摩擦隔震支座采用双线性库仑摩擦阻尼恢复力模型和粘滞阻尼恢复力模型。

" There are three classes offriction : dry , greasy , and viscous . " the bi-linear coulomb damping hysteresis model and the viscous damping hysteresis model were used for sliding friction isolating bearing .