动量传递

以动量传递与热量传递的模拟理论为基础，由试验结果的关联得到了动量传递粗糙度函数（R函数）与热量传递粗糙度函数（G函数）的表达式，并与前人工作进行了比较。

The correlations of momentum transfer roughness function ( R - function ) and heat transfer roughness function ( G - function ) are developed on the basis of momentum and heat transfer analogy from the present data and are compared with the results of previous investigators .

本文提出两个表征凝结换热的系数即相对速率B和动量传递系数U，以及综合传质、蒸汽流速和热物性的系数ω来描述凝结换热的机制。

Two major parameters that govern the condensation heat transfer the relative velocity ratio B and the momentum transfer factor U along with a comprehensive factor ω that includes mass transfer , the vapor velocity and the thermophysical properties , are proposed to describe the condensation mechanism .

介绍了Ekman螺线的动力学结构，分析研究了风应力及海水内部的动量传递形式。

In this paper , the dynamical structure of Ekman helical line is introduced , and the wind stress and the form of momentum transfer in sea are analyzed .

采用Munk-Anderson修正的κ-ε模型模拟水库重力下潜流，发现该修正模型过高地估计了水库的紊动强度，使垂向动量传递加大，流速误差明显增加。

2 , Application of the modified k-e model by Munk-Anderson equation to gravity flow in reservoir shows that the modified model overestimates the turbulent intensity in reservoir .

碰球展品演示的是弹性碰撞和动量传递的原理。

Here the principles of elastic collision and dynamic transmission are demonstrated .

热管生物反应器动量传递研究

Study on Momentum Transfer in Heat Pipe Bioreactor

扭转对称光束的产生及其变换过程中的轨道角动量传递

Generation of twisted stigmatic beam and transfer of orbital angular momentum during the beam transformation

柔性长鳍波动推进动量传递的有效性分析

Analysis of the Validity of Momentum and Energy Transferred to the Surrounding Water by Long-based Flexible Fins

研究了滩地区动量传递系数沿垂线的分布规律；

The turbulence intensity and the coefficient of momentum transfer profile in this zone are also considered .

降膜结晶分离过程热、质及动量传递的数值模拟（Ⅰ）分区域统一模型用精馏-降膜结晶耦合技术提纯对二氯苯

Numerical modeling of coupled momentum , heat and mass transport in falling film crystallization process (ⅰ) continuum model

当你翻开每一页书时，你在进行动量传递。你的动能有一部分引起书页加速，从静止到翻转。

Some of your kinetic energy has caused the page to accelerate from rest and to flip over .

分析了一个运动的三能级原子与一个驻波激光场在斜交相互作用时的动量传递行为。

A momentum transfer of a moving three level atom interacting slantingly with a standing wave laser field is analysed .

注入离子的动量传递产生了对细胞的直接作用，其能量沉积显示着对细胞的间接作用，而且随着注入剂量的增大，两种微生物细胞受到直接和间接作用损伤的程度也逐渐加剧。

The level of damage of cells by implantation ion was gradually increased with the increase of the implantation dose .

此模型考虑了气液间的曳力作用（动量传递）、热传递效应和液滴破裂影响。

This model considers the role of drag ( momentum transfer ), the heat transfer effects and impact of droplets rupture .

颗粒碰撞是快速颗粒流的动量传递，能量传递及耗散的主要机制。

Particle collisions are the main mechanism of the momentum transfer , the energy transfer and the energy dissipation for rapid granular flows .

其中，用动理学方法可直接推导出泡径变化引起的质量、动量传递，并推导出相间碰撞积分项。

The mass and momentum transport caused by the various bubble sizes , and the collision integral term were calculated using the kinetic method .

光镊技术是利用光子的动量传递所产生的梯度力捕捉细胞、病毒、生物大分子等。

Optical tweezers utilizes gradient force derived from photon momentum transfer to trap particles , such as cells , bacteria and other biological macro-molecules .

建立了电磁离心凝固过程熔体动量传递、传热和传质耦合数学模型，模拟计算了熔体在不同感应强度下的流动速度。

A fully coupled fluid flow , heat and solute transport model is developed to predict velocity of melt flow during electromagnetic centrifugal casting .

通过对塔板上气、液两相间的动量传递进行分析，讨论了动量传递对液面落差和清液层高度的影响。

In addition , the momentum transfer on the V-grid tray and its effect on clear liquid height and hydraulic gradient cross tray are discussed .

通过分析化工过程中的传递现象，总结了动量传递、热量传递和质量传递过程的一些类似性，并且讨论了这些类似性的理论和应用价值。

By analyzing the transfer phenomena in chemical engineering , some affinities of three transfers and their theoretical and practical value were discussed in this paper .

目前分析只考虑了由传质和蒸汽速度引起的动量传递对凝结产生的影响。

The present analysis takes into account the effects of momentum transfer that results from mass transfer and vapor flow on the interfacial shear and hence condensation .

进行了非均质流固体粒子加速过程中的清水与固体粒子的速度变化、动量传递、相关质量计算等基本分析。

The basis analysis on the change in momentum , velocity and other related factors of solid particles in settling slurry over the acceleration time is carried out .

换热设备中污垢的形成是一个极其复杂的能量、质量和动量传递的物理化学过程。

Complex energy , mass and momentum transfer occurs in the formation of the fouling of heat exchangers , accompanied with a variety of physical and chemical processes .

掌握动量传递，热量传递及质量传递的基本理论以及典型食品工程操作的基本原理和基本规律。

Grasp the elementary theory of momentum transmission , the thermal transmission and the mass transfer as well as the typical food engineering operation basic principal and basic rule .

动量传递和能量传递的相似之处在某些细节上已作了研究，而且现在此相似之处也可以扩大为包括传质在内了。

The analogy between momentum and energy transfer has already been studied in some detail , and it is now possible to extend the analogy to include mass transfer .

刘海莉最后用力阶段右脚落地缓冲过大，缓冲阶段过渡到蹬伸阶段时间过长，影响到动量传递的时间和制动效果。

During the final thrust phase , the time her right foot landed for buffering and transiting to stretch lasted too long , so the momentum transmissibility and braking was impacted .

热量、质量和动量传递是能源利用中的重要环节，传递过程性能的提高对节能减排意义重大。

Heat , mass and momentum transport processes are the three important parts in energy utilization . Transport performance improvement is of great significance to the energy conservation and emission reduction .

对卡门常数和普朗特混合长度进行了理论计算，并据此分析和论证了普朗特混合长度假说与动量传递理论和卡门关于紊流局部运动相似理论以及泰勒的涡旋传递理论的科学性和实用性。

Based on these calculations , the authors analyze the science-practical nature of the Prandtl Mixing Length hypothesis , the momentum-transport theory , the Karman Similarity theory and the Taylor Vorticity Transport theory .

将滩槽交界的动量传递描述为一表观应力，这个表观应力可以看作是交界面处的脉动函数并将其定量化。

The momentum transfer at the main channel flood - plain interface can be described as an apparent shear stress which can be quantified as a function of the local turbulence at the interface .

基于动量传递和热量传递的相似性，陈群等对不可压缩流体的流动过程进行推导，提出了针对不可压缩流体的场协同减阻模型和方程。

Based on the analogy between momentum transport in fluid flow and heat transport in convective heat transfer , Chen et al . made a derivation of the N-S equation of the incompressible fluid .