The viscous force and the inertia force were interacted alternately,which drived micro-fluid flow,thus the mid-flow sprayed out.
提出数字化无阀微泵内的微流体概念,该微流体受外加周期性扰动,其边界流和中间流间产生速度差异,由于粘性力、惯性力交替作用,使微流体运动,中间流克服表面张力的作用得以喷射出去,实现数字化无阀微泵泵送。
The studies analyzed the relative importance of the inertial force to the viscous force and the flow and heat transfer in natural convection in a square cavity with Ra ranging from 1 to 108.
为了澄清微尺度自然对流与宏观大尺度的联系和区别,用数值模拟的方法研究了不同尺度(瑞利数Ra=1～108)下方腔自然对流中惯性力与粘性力之比。
The normal viscous force between two arbitrary rigid spheres with an interstitial power law fluid was studied in order to establish model for wet granular materials using the Discrete Element Method.
为了建立湿颗粒系统的离散元模型 ,研究了两刚性圆球颗粒间的幂律流体在挤压流动时产生的法向粘性力 ,并导出了任意球颗粒间的压力分布和法向粘性力的积分表达式 ,并可证明此粘性力表达式可以退回到牛顿流体情形。
The conclusion is that sheering and radial stress are dominant in viscosity shearing force, and that Reynolds stress is larger than viscosity stress in turbulent flow, and the multiple is the Reynolds number.
由分析可知在粘性应力中,切向和径向剪切应力占主导地位;而在湍流条件下,雷诺应力是粘性应力的若干倍数,此倍数在量级上即为雷诺数。
A study on anti blending surface for decreasing viscosity resistance;
疏水性壁面降低粘性阻力的探讨
Comparing with hydrodynamics and based on the second Newton s law,traffic pressure,viscosity factor and viscosity resistance which could be easily to calculate were proposed.
与流体力学对比,根据牛顿第二定律,提出了计算简便的交通压力、粘性阻力系数及粘性阻力,定义来自下游交通波的干扰为交通流的粘性,波速与最大波速之差为沿程粘性阻力系数,沿程粘性阻力与车道长度、流量沿车流方向的变化率、沿程粘性阻力系数成正比,模型能够得出交通流参数之间的关系。
Comparing with hydrodynamics and the second Newton s law, traffic pressure, viscosity factor and viscosity resistance are proposed which can be easily to calculate.
通过对交通流参数的微分分析,建立路段交通流的运动微分方程和欧拉方程,与流体力学对比,根据牛顿第二定律,提出计算简便的交通压力和粘性阻力系数及粘性阻力,定义来自下游交通波的干扰为交通流的粘性。
Based on the computational methods of wave statistic characteristics in the long-term distribution,viscous resistance in waves for hull,and Green function in the frequency for motion and loads a procedure to select sea-state,to determine the transition drag of hull,and to predict motion and wave loads for FPSO transition is developed and used to a FPSO transit work.
应用作业海域波浪短期统计特征长期分布计算法、粘性阻力和风浪中阻力增加计算以及运动与荷载的频域Green函数的计算方法,提供了FPSO迁航海况选择、迁航阻力确定和船体运动与遭遇波浪荷载预报的计算方法和应用实例。
Firstly, the formulas of the viscous torque and inertial torque acting to 1C in the Guo(1989) are deduced again, and some flaws in the deduction are corrected.
具体内容包括:重新推导了Guo(1989)中作用在内核上的粘性力矩和惯性力矩的公式,改正了其中一些推导错误;将Guo(1989)与Mathews等人(1991)研究内核转动的两种不同方法进行了比较,建立了二者之间的关系:将Guo(1989)所给出的粘性外核的流动与Busse(1970)及Kakuta等人(1975)所给出的无粘性外核的流动进行了比较;作为对Guo(1989)的补充,推导了核幔界面处的边界层流动及作用在地幔上的粘性力矩。
Influence of Discretization Scheme and Grid Number on Viscosity Resistance in High-speed Transitional Craft
离散格式和网格数量对过渡型艇粘性阻力的影响
The Dynamic Analysis of Structures with Nonlinear Viscous Dampers;
含非线性粘滞阻尼器结构的动力分析
Experimental Study on the Dynamic Behaviors of Viscous Damping Wall;
粘滞阻尼墙及其动力性能的实验研究
STUDY ON THE REYNOLDS STRESS MODELE FOR DRAG REDUCING VISCOELASTIC FLOWS
粘弹性减阻流动的雷诺应力模型研究
"Viscous friction is the fiction, or resistance to relative motion, between adjacent layers of liquid. The resistance of motion between these oil layers is called viscous friction. "
粘性是液体流层问相对运动而产生的摩擦力或阻力。油层间所产生的运动阻力称为粘性摩擦力。
Experimental Study on the Dynamic Behaviors of Frame Structure with Viscous Damping Wall;
设置粘滞阻尼墙的框架动力性能试验研究
A Theoretical Study of the Indentation Resistance to a Conveyor Belt
粘弹性带-刚体托辊系统起动阻力理论分析
Dynamic Modeling and Engineering Application of the Visco-Elastic Damping Components
粘弹性阻尼减振元件的动力学建模及工程应用
coefficient of kinetic viscosity
动力粘性系数，动力粘度
The influence of air and adhesive medium resistance on the motion of Coriolis projectile is presented by solving dynamic equation of projectile.
通过动力学方程的求解讨论了空气阻力以及粘性介质阻力对科氏抛体问题的重要影响。
the bi-linear coulomb damping hysteresis model and the viscous damping hysteresis model were used for sliding friction isolating 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。
Numerical Simulation of the Viscous Flow over the Submarine and Method Research on Predicting Its Vsicous Resistance;
潜艇粘性流场的数值模拟及其阻力预报的方法研究
Corneal Hysteresis and Corneal Resistance Factor in Pre-and Post-Phacoemulsification;
白内障超声乳化手术前后角膜粘滞性和角膜阻力系数的变化
The Mechanical Property of Damper-added Structures under Taft Earthquake Wave
Taft地震波作用下粘滞阻尼减震结构的力学性能分析
Analysis of dynamic characteristics and control performance of structures with pseudo-negative stiffness and viscous dampers
拟负刚度与粘滞阻尼混合减振结构的动力特性与减振效果分析
The damping provided by the ER damper has the properties of both the Coulomb damping and the viscous damping.
电流变阻尼器提供的阻尼具有库仑阻尼和粘性阻尼的特点。
viscous-drag gas-density meter
粘滞阻力气体密度测量器
Prognosis of adhesive ileus treated by enterolysis plus medical chitin degraded membrane
粘停宁对粘连性肠梗阻松解术后预后的影响