Analysis has been made on the velocity distribution within the boundary layer nearby the floor.
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3. 近壁区处理分别采用两层和三层壁面函数。
The three-layer and two-layer wall function were applied to prediction of flow in the near wall region.
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4. 与电子的近壁传导行为密切相关的因素是鞘层。
Sheath was found to be a very influential factor to electronic conduction behavior near the wall.
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5. 在近壁区范围内，采用壁函数技术解决壁面效应问题。
In the areas close to the boundary, the technique of wall function is adopted to solve the effect of the wall surface.
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6. 由于考虑粘性，近壁面区域速度矢量分布也发生变化；
Considering of viscosity, the distribution of the velocity vectors near the wall changes obviously;
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7. 研究了管道中近壁区颗粒的轴向速度、湍流强度和径向速度。
The axial velocity, fluctuation velocity, the turbulence intensity, and transverse velocity of the fine particle were studied.
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8. 但是LES方法对网格的要求是非常严格的，尤其是近壁面处。
LES, however, has a strict demand for grids, especially near rigid walls.
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9. 电子近壁传导是影响霍尔推力器工作性能的关键物理过程之一；
The mechanism of electron near wall conduction (NWC) is one of the most important physics problems for thruster performance.
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10. 研究表明，近壁效应及蒸发对颗粒热泳的附加影响是不容忽视的。
The present analysis shows that the influence of the near-wall effect and the evaporation on the particle thermophoresis can not be ignored.
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11. 单股和双股射流塘底脉动压强系数与近壁紊流强度的关系可用对数曲线表述。
The relationship of the fluctuating pressure coefficient on wall and the turbulent intensity near the wall can be described with logarithmic curve.
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12. 在此基础上，提出了基于近壁区相干结构流动参数的新型大涡模拟壁面模型。
Based on the coherent structures, a new type of wall model for large-eddy simulation (LES) was established.
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13. 近壁传导、鞘层以及两者之间的关系一直是各国学者关注和讨论的热点问题。
Near wall conduction, sheath, and the relation between them are a hot topic to be concerned and discussed by Scholars.
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14. 近壁对总压测量影响不大。速度梯度和近壁对测量误差的影响还与来流方向有关。
The effects of the velocity gradient and wall-proximity on the measuring errors are related to the flow direction.
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15. 计算得到了冷却效率云图、冷却效率径向平均值以及近壁面处流场和温度场分布。
The film cooling effectiveness contour, laterally averaged film cooling effectiveness, and the flow and temperature distributions near the surface have been obtained.
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16. 采用激光诱导荧光技术显示流场。以每秒25帧的CCD摄象机记录近壁流动结构。
The LIF technique is used for the visualization of the flow patterns which are recorded by a CCD camera at the speed of 25 frames per second.
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17. 在风洞中对水下航行体模型尾部壁面脉动压力与近壁湍动速度进行同步测试及处理分析。
The wall pressure fluctuations and near-wall turbulent flow were jointly measured at the stem of an underwater vehicle model in CSSRC Wind Tunnel.
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18. 最后，在外加径向磁场和轴向电场的条件下，模拟计算了矩形沟槽鞘层的近壁传导特性。
At last, we simulate the characteristic of near wall conductivity of the sheath with groove by locating the groove sheath model in the axial electric field and the radial magnetic field.
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19. 近壁区内颗粒主要显示下降运动以及偶然的上升，尤其是在流化数较大时颗粒下降运动更明显。
The granule movement detected in the wall vicinity showed prevailingly rising and occasionally falling, especially at high velocity of gas.
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20. 网格的划分采用非结构性网格，湍流模型为SA湍流模型，在近壁处采用壁面函数进行修正。
A finite volume method with unstructured meshes and s a turbulence model were employed in the calculation.
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21. 喷入电弧等离子体射流对等离子体反应器流场的影响区域是近轴区，对过渡区和近壁区没有影响。
The arc-plasma jet in jested into the reactor exerted influences on the flow field in the hear-axis zone, while no influences in the transition and the near-wall zones.
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22. 利用流动稳定性理论中的一般共振三波的概念，提出了湍流边界层近壁区域相干结构的理论模型。
The theoretical model of the coherent structure in the wall region of a turbulent boundary layer was proposed, using the idea of general resonant triad of the theory of hydrodynamic stability.
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23. 模拟结果显示改进后的转子能有效提高近壁面处的平均径向速度和切向速度，强化液层间的混合。
As a result, the modified rotor could effectively increase the mean radial and tangential velocity near the evaporating wall of WFMD and strengthen the mixing of liquid layers.
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24. 本文应用二维激光多普勒测速仪（LDV），对二元通道内近壁间歇性反流特征做了尝试性测量。
The investigation of the upstream-downstream intermittent reversing flow in the near wall of a 2-D channel is attempted with a 2-D laser doppler velocimeter (LDV).
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25. 与DNS的统计值相比，除了近壁区之外，在流场的大部分区域，模拟值与精确的统计值基本一致。
It is found that generally the simulated values are in agreement with the DNS data in most flow regions, except in the near-wall region.
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26. 它是在航行器周围的海水中激发出电磁力，使用电磁力来推动近壁海水运动，从而推动航行器前进。
The Lorenz force is induced around the navigation and propel the near-wall seawater, thus the navigation may be propelled by this way.
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27. 对于其他形状钝体的壁面干扰现象，以及水下潜器的近壁面运动，该计算方法和结果亦具有参考价值。
The numerical method and results can also be used for other blunt body-wall interaction cases and near wall moving cases of an unmanned underwater vehicle(UUV).
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28. 圆柱尾迹与边界层相互作用，改变了近壁区域多尺度相干结构的平均演化过程，也即速度的变化过程。
The conditional average phases of the multi-scale coherent eddy structures in the logarithmic area are changed by the cylinder wakes, which means that the variety of the velocity is changed.
The motion equations of a bubble near a plane wall have been established with the lift force and wall effects on the drag force taken into consideration.
The results of the research show that three-dimensional wall jet can improve the velocity of water near the wall greatly, so it is possible to apply to the actual dredging work in the pipeline.
