动量传输

目前高炉条件下，填充床内液体动量传输现象的研究结果或者存在工程应用上的障碍，或者存在模型内容上的缺陷。

With regard to the existent mathematical model describing the liquid momentum transport within the packed bed utilized in iron-making process , there are some obstacles in engineering design , or some severe limitations in mathematical descriptions .

其次，在弱非线性理论可应用的范围内，扰动所引起的动量传输、平均经圈环流以及基流的改变都可以较方便地用按谱函数展开的方法求得。

Besides , in the range of validity of weakly nonlinear theory the momentum transport , the mean meridional circulation and acceleration ( or deceleration ) of the mean flow caused by the disturbance is easily calculated by using the spectral function method .

动量传输的基本方程与应用

Fundamental equations of momentum transmission and Application

凝固过程中，过冷熔体强迫层流影响热量传输、质量传输和动量传输过程。

Undercooled melt forced laminar flow effect on heat transmission , mass transmission and momentum transmission during solidification .

对运动引起的动量传输和能量传输，采用源项法分别在动量方程和能量方程中加以处理；

A source term method was used to deal with changes of momentum and energy in respective governing equations .

高炉侵蚀归根结底是动量传输、热量传输和质量传输这三传的问题。

The erosion of blast furnace is a problem of three kinds of transfer ( momentum transfer , heat transfer and mass transfer ) .

本文利用仿真程序分析了双辊快速凝固过程的一些主要工艺参数与凝固壳层的关系，以及金属薄带的形成与热量传输和动量传输的关系。

With help of the computer simulation program , effects of main process parameters on solidification layer of metal strip have been studied . Also the relation of heat transfer and momentum transfer have been studied .

冰晶是典型的凝固组织，因其非平衡组织结构涉及到热量、质量和动量传输以及界面动力学和毛细作用效应相耦合的自由边界问题。

The phase-field model was introduced because of its non-equilibrium from its typical structure , involving energy , quality and momentum transfer , as well as the interface kinetics and the problem caused by capillarity effects coupled with the free boundary .

在理论上考虑了原子级联碰撞过程中的能量和动量传输的不对称性，给出了一个与实验结果相符的同位素溅射角分布表达式。

The reason was considered to oe the energy and momentum asymmetry between light and heavy isotopes in the collision cascades . A simple formula of the angular distribution of isotopic sputtering which fits the experimental result is given in this paper .

分析结果表明，颗粒碰撞压力的波动规律与气泡的运动密切相关，所测颗粒碰撞压力是由气泡运动所引起的尾涡颗粒动量传输的结果。

Analysis shows that the fluctuation of the particle impact pressure has close relationship with the motion of bubbles . The particle pressure measured in experiments is the result of the momentum transfer of a body of solids in the wake of a bubble striking an object .

光束偏移对轨道角动量信息传输系统的影响

Influences of misaligned optical beam carrying orbital angular momentum on the information transfer

结果表明，冠层上动量通量向下传输，而冠层内大多向上传输；

The results show that above the canopy kinetic momentum was transported downwards , while within the canopy it was transported upwards .

激光熔池的温度场分布强烈影响能量、动量和质量传输过程，它直接影响激光再制造的冶金性能和表面质量。

Temperature distribution in laser molten pool would strongly affect the transmission , and then influence its metallurgy performance and surface quality .

边界层对流在热量、水汽、动量以及气溶胶的传输中起着重要作用。

Boundary layer convection plays a significant role in transport of heat , moisture , momentum and aerosols .

介绍环境流场中的动量及纯量传输，主要著重于河川和湖泊系统的探讨。

Introduction to momentum and scalar transport in environmental flows , with emphasis given to river and lake systems .

直拉法是生长单晶硅的一种重要方法，直拉法晶体生长过程既有物质的传输，也有动量和热量的传输，坩埚内熔体的流动、传热及传质直接影响硅单晶的质量。

Czochralski crystal growth , associated with the process of momentum , heat and mass transfer , is an important method of producing single crystal silicon . The momentum , heat and mass transfer of the melt in the crucible have a direct effect on silicon quality .

在这些基础上叙述了动量、热量和质量传输的模型，证明Prandtl湍流混合长度理论是分子动量传输的模型。

It is proved that prandtl 's mixing length theory is based on the molecular momentum transport mechanism .