particle collision

With the particle collision taken into account , the interaction of plasma with a fixed wall is studied by using a two-fluid model .

在考虑粒子碰撞的情况下，利用二流体模型研究了等离子体与器壁之间的相互作用。

The numerical results are in good agreement with previous experimental data . The effect of Saffman force and particle collision on the heavy particle dispersion is investigated numerically as well .

将数值计算结果与实验结果进行比较，同时考察了Saffman力和粒子碰撞对计算结果的影响。

Direct Numerical Simulation Method of Inter - particle Collision

颗粒碰撞的直接模拟算法

The electron free flying time is determined by the electron - neutral particle collision frequency .

电子的自由飞行步长由电子与中性粒子的碰撞频率来决定。

The particle collision frequencies and granular temperature as a function of particle concentration were obtained .

得到了颗粒温度随颗粒浓度的变化规律以及颗粒速度的概率密度分布。研究了气体表观速度和碰撞弹性恢复系数对两相流动特性的影响。

Research on particle collision applying PTV Technology

应用PTV技术对颗粒碰撞规律的研究

Particle collision experiments under different conditions are then carried out and interparticle forces are calculated using the above model .

在建立双球碰撞的运动学参数与动力学参数相互关系的数学模型基础上，设计了微球颗粒的碰撞实验并利用上述模型推演出了颗粒间作用力和碰撞能量损失等参数。

Now a computer model shows conclusively for the first time that a particle collision really can make a black hole .

而今，一个电脑模型第一次精确地显现出离子碰撞可以造出真正的黑洞来。

In algorithm , relaxation time parameter is introduced to deal with the process of particle collision , which is greatly simplified the calculation .

在算法上，引入弛豫时间参数有效处理粒子间的碰撞过程，使计算量大为简化。

Moreover , theoretical discussion indicates that the electron-neutral particle collision is the major factor that results in the absorption in the wide band .

并从理论上分析了带电子与中性粒子的造成这一现象的主要原因是碰撞吸收。

After comparison with the experimental results it has been found that with the change in the system air speed there exists a qualitative agreement between the particle collision frequency and the dust removal efficiency .

与实验结果对比发现，随系统风速的变化，颗粒碰撞频次与除尘效率之间存在定性的一致。

The analysis skill and the conclusion , especially the particle collision model and simulate result , are import reference for the method of material shatter , the design of the collided shatter machine .

本文的分析方法与结论，尤其是介质碰撞模型及仿真结果，对物料粉碎方法，对各种冲击式粉碎设备的研发，有重要指导意义。

In the respect of particle collision dynamics , several static / quasi-static contact mechanics models were introduced , which consist of linear , Hertz , DMT and BD models .

对于颗粒碰撞动力学，介绍线性、Hertz、DMT及BD等静态（或准静态）接触力学模型。

From the view of two phase flow theory , the numerical simulation of sediment cloud diffusion in quiescent waters with finite depth is carried out by using the two-fluid model which takes turbulence effect and particle collision into account .

本文从二相流理论出发，采用考虑了湍流效应和颗粒碰撞作用的双流体模型对有限水深静水中的泥沙云团扩散进行数值模拟。

This article briefly describes PVD TiN coating technology . It focuses on the effect of ion bombardment cleaning and heating , production application in terms of metal lattice theory , metal thermo-electron emission and theory of particle collision .

本文仅就多弧氮化钛涂层技术，以金属晶格理论、金属热电子学说和粒子间碰撞等理论，简述轰击清洗和轰击加热的作用及在实际生产中的应用。

A model for the rise velocity of a single deformed bubble in liquid solid fluidized beds was formulated , based on the analysis of the forces acting on a bubble . The model accounts for bubble particle collision interactions .

以气泡在上升运动过程中的受力分析为基础，建立了描述单个变形气泡在液-固流化床中上升速度的理论模型。

The properties of particles through the design to build the right wind , the movement pattern of particles and particle collision detection of objects to determine the motion of an object , the establishment of the wind-filed based on particle system models .

通过设计粒子的属性来构建合适的风场，分析粒子的运动方式和粒子对物体的碰撞检测来确定物体的运动方式，建立了基于粒子系统的风力场模型。

A second-order moment two-phase turbulence model for dense gas-particle flows ( USM - θ) model ), combining the unified second-order moment two-phase turbulence model for dilute gas-particle flows with the kinetic theory of particle collision , is proposed .

本文将统一二阶矩两相湍流模型和颗粒动力学理论结合，推导并封闭了稠密两相流考虑颗粒间碰撞的统一二阶矩两相湍流模型。

The dominant factors causing the effect of substrate-to-target distance on the thickness of coating are the distribution of magnetic field in the working chamber and the gaseous particle scattering collision during their movement .

磁场空间分布和粒子迁移中的散射碰撞是导致靶基距影响镀层厚度的主要原因。

When a particle comes into collision with a wall surface , fast rotation ( up to 1800 cycles / sec ) of the particle is induced by the friction on the wall surface .

当颗粒与壁面相碰时，由于壁面的摩擦力，造成颗粒高速旋转（可达1800n/s）。

A reasonable three-dimensions mathematical and physical model for two-phases flow in the gas-solid injector is developed , which not only takes into account the interaction between the particles and turbulence , but also considers the particle / particle collision .

模型中不仅考虑了固体颗粒与气相湍流间的相互作用，还考虑了颗粒间的碰撞。

The study of particle correlation in high-energy collision

高能碰撞中的粒子关联研究

Compensated particle in cell-Monte Carlo collision model with wide time step limit

一种补偿时间步长限制的粒子模拟-蒙特卡罗碰撞模型

On transport equation of particle spectra in multicomponent collision cascades

关于多元靶碰撞级联粒子谱的输运方程

Scattering : in physics , the change in direction of motion of a particle because of a collision with another particle .

散射：物理学中一个粒子与另一个粒子碰撞时运动方向发生改变的现象。

However , the effect of high particle concentration on particle collision should be taken into account in the dense gas-solid two-phase flow .

然而，在高颗粒浓度下颗粒碰撞对的确定需要考虑高颗粒浓度存在的影响，同时在高颗粒浓度流化床气固两相流动中，需要考虑气体粘性的作用。

In the high dense particle phase , the collision processes of discrete particles are simulated by rigid sphere model which uses the optimized technology to reduce computer workload on the occurrences of searching collision .

采用硬球模型处理高浓度颗粒相中离散颗粒间的碰撞过程，并提出搜索颗粒碰撞事件的优化技术，以减少计算机计算颗粒间碰撞事件的工作量，为数值模拟奠定了坚实的理论基础。

The radial distribution function is introduced in order to take into account the effect of the uneven local particle concentration on the particle collision probability .

采用了引入径向分布函数的颗粒间碰撞概率的计算方法，考虑局部颗粒浓度不均匀性对颗粒碰撞概率的影响。

The sub-cell technology is applied to save computational time and reduce uneven local particle concentration on the particle collision probability in computational cell .

应用了子网格技术进行颗粒碰撞对的抽样，采用此技术可以减小计算工作量并且减小计算网格内颗粒浓度不均匀性对颗粒碰撞概率计算的影响。

Local eddy also have a great effect on particle motion as well as particle collision , sediment and accumulation etc.

局部的旋涡也会对颗粒的运动以及颗粒的碰撞沉积、聚集等造成较大影响。