momentum exchange

Latest Development of Momentum Exchange Technology with Multi - degree of Freedom

多自由度动量交换技术研究的新进展

Momentum Exchange Between Gas and Solids in Fast Fluidized Bed

快速流态化气固两相间的动量交换

Land surface process include water , energy and momentum exchange which happened between land surface and atmosphere .

陆面过程是指发生在控制地表面与大气之间水分、热量和动量交换的过程。

Wave-particle momentum exchange rate from electrostatic instability in the plasma sheet boundary layer

等离子体片边界层中静电不稳定性产生的波-粒动量交换率

A study on typhoon movement ⅲ . effect of the horizontal momentum exchange between typhoons and environment

台风移动规律的研究Ⅲ.台风与外界水平动量交换的影响

Also sea ice acts as a membrane between ocean and atmosphere which decreases the heat and momentum exchange .

同时，海冰在海洋和大气之间形成一层薄膜，能够阻碍海气之间的热量和动量交换。

The angular momentum exchange among atmosphere , ocean and lithosphere is different in southern hemisphere and northern hemisphere .

大气、海洋与固体地球的角动量交换在南、北半球有不同的形式。

The momentum exchange coefficient was mainly affected by wind speed , but the association between the both differed with wind speed size .

动量交换系数主要受风速影响，但在不同风速区间相关关系有异。

Effects of the inter-phase momentum exchange were examined with the emphasis on the influence of drag and lift forces .

通过对气泡和液体在流场中的受力分析，详细讨论了阻力、升力等相间作用力对气泡分布和流体流动的影响。

Finally , the relationship between the turbulent heat and momentum exchange coefficient and the diurnal variation of the Richardson number is discussed .

文中还对湍流热量交换系数、湍流动量交换系数与理查孙数的日变化关系进行了讨论。

During the vibration of structure , the momentum exchange and the vibration energy consumption occur through the collision and friction between particles to achieve the objective of damping .

当结构振动时，颗粒之间通过不断撞击和摩擦，进行动量交换，并消耗结构的振动能量，从而达到减振的目的。

The findings bring new lights in the fluctuating nature of momentum exchange coefficients and integral time and length scales . These turbulent properties should not be assumed constant .

这将为波动特性的动量交换系数及积分时间和长尺度提供新的信息，这些湍流特性不应被视为不变的。

The interaction between jets and linear waves make the jets swing ; and make the momentum exchange strongly between the jets and the water around the jets .

表面波的影响使得射流轴线扭曲摆动，加强了射流与周围水体的动量交换。

As a conclusion , the drag reduction grooved surface weakens the near-wall momentum exchange , and decreases the overall turbulent Reynolds shear stress above it .

由此可以认为：沟槽的抑制作用抵消了沟槽峰部的增强效果，使得近壁区内动量交换水平减弱，从而，减阻沟槽面的雷诺切应力在总体上表现为减小。

Several of the focuses of CFD model in packed-bed reactors were studied , namely , the momentum exchange coefficient , the capillary pressure and the void fraction .

近年来填充床反应器CFD数学模型韵几个研究重点是动量交换系数、毛细管压力以及床层空隙率的非均匀分布性。

Studies showed the main factors of influencing flow distribution were the diameters of the intake pipe and the main pipe , the branch flow coefficient C and the momentum exchange coefficient k.

研究结果表明，影响流量分配的主要参数为入口管和总管直径、支管流量系数C和动量交换系数k。

Two coupled Navier-Stokes equations are used to describe the flow of powder phase and binder phase , with a term of the momentum exchange to represent the interaction between two phases .

使用耦合的N-S方程，来描述金属粉末相和粘结剂相的流动，并用一个动量交换项表示两相间的相互作用。

Single Gimble Control Moment Gyro ( SGCMG ) is a momentum exchange device of spacecraft , which is suitable for three-axis attitude control and quick movement of large spacecraft .

单框架控制力矩陀螺（SGCMG）是一种重要的航天器动量交换装置。

After a floodplain in multiple channel , momentum exchange of flow in floodplain results in the resistance of main channel increasing , which is also an important factor resulting in a higher rising rate of water level .

复式河槽在洪水漫滩后，由于滩槽水流的动量交换，引起主槽的阻力增大，也是导致水位涨率增大的重要原因。

In this paper , a simple dynamical model for simulating continental drift is formulated based on the angular momentum exchange between inner solid core and outer liquid core during the early stage of the Earth formation .

基于地球形成早期阶段固体内核和流体外核角动量交换关系，首先给出了描述大陆漂移的一个数学模型，然后从这一模型出发得到一个最简动力学模式。

The calculation result of passed flow rate in pipe section of pipeline network is significantly influenced by the momentum exchange and the local energy losses at junctions for the pipeline network comprised of the pipes of larger diameter and shorter length .

对于管径较大、管段长度较短的管网，结点处的动量交换和局部能量损失显著影响管网中管段通过流量的计算结果。

A coupling model both mass and momentum exchange between canopy layer ( CL ) and atmospheric boundary layer ( ABL ) is developed in the paper . Diurnal variations and vertical distributions both mass and wind speed in CL are simulated with the model .

本文设计了一冠层（CL）和大气边界层（ABL）之间物质和动量交换的耦合模式，并对CL内风速、物质随高度分布和日变化作了数值模拟。

Accommodation coefficients characterize the transport in gas-solid interfaces quantitatively that the values closer to unity represent more complete momentum and energy exchange .

协调系数可以定量描述气固界面的输运现象，其数值越接近于1，气体与壁面的动量与能量交换越充分。

Momentum Strategies and Foreign Exchange Market Efficiency

动量策略与外汇市场效率研究

The limited competition , unperfect judicial and administrative supervision system makes the stock exchanges lack the impetus to supervise and curb the momentum of the stock exchange conscious control .

竞争的缺失以及司法、政府监督制度的不健全，使得证券交易所缺乏监管的利益驱动，抑制了证券交易所自觉监管的动力。