抬升高度与环境湍流有关,湍流强度越大,抬升越低。
The plume rise height is related to ambient turbulence. The greater the turbulence intensity, the lower the rise height.
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.
本文报导了湍流强度、速度松弛时间和雷诺应力对颗粒扩散的影响。
The effects of turbulence intensity, aerodynamic response time and Reynolds stress on the particle dispersion are presented.
结果表明在压缩过程中,从缸心到缸壁,切向湍流强度值大体相同。
The result shows that tangent turbulence intensity is nearly the same from the outer to the center of the cylinder in the compression stroke.
考察湍流强度、压力和流速沿流动方向的变化情况及流场分布情况。
Turbulent intensity, pressure and velocity along with the flow direction were investigated.
减阻杆削弱了旋风分离器内部流动的湍流强度,使湍流能量耗散减少。
The other is the action of weakening turbulent intensity by the Repds, which reduces the energy dissipation of the cyclone flows.
另外,文章还讨论了风廓线的变化以及地面粗糙度对湍流强度的影响。
In addition, in this paper, the changes of wind profile and effects of surface roughness on the intensities of turbulence arr discussed.
最后讨论了零内尺度模型下归一化强度协方差函数随湍流强度的变化情况。
Finally, the variation of the normalized covariance function of intensity with different strengths of turbulence under zero inner model is discussed in detail.
本文对流场、脉动速度、颗粒浓度、湍动能、湍流强度等的分布做了讨论。
Distribution of flow vector, fluctuating velocity, turbulent kinetic energy, turbulent intensity and particle concentration were discussed.
计算结果表明:随着热通量的增加,流场的速度、湍流强度和壁温均升高。
The simulation results demonstrated flow velocity, turbulence kinetic energy and wall temperature increased with increment of heat flux.
掌握复杂地形区域的风能分布和湍流强度特征对风电场的微观选址至关重要。
It is important to master the distribution of wind energy and the character of turbulence intensity in complex terrain for the micrositing of wind farms.
结果表明,使用湍流器能显著降低钢液的湍流强度,减少对浇注区液面的冲刷。
Results showed that the turbulence intensity in tundish obviously decreased by using turbulence inhibitor, and it was available to reduce the erosion on surface of tundish.
该实验通过对比的方法验证后向散射的到达角起伏是否可以反映大气湍流强度。
The experiment was used to validate that whether the back-scattering angle-of-arrival fluctuation can describe the atmosphere structure of refractive index Cn2 by method of contract.
湍流强度中心位置较低,而靠近壁面的位置较高,尤其是底部湍流强度更大一些。
The turbulent intensity was lower at the central part and higher near the wall, especially at the bottom.
研究认为,烟幕微粒的运动状态主要决定于烟幕云团与微粒的相对速度和湍流强度。
Investigation reveals that smoke particles kinestate is decided mainly by the relative velocity between smoke cloud and particles and the smoke cloud turbulent intensity.
大气相干长度是研究大气湍流强度、激光大气传输以及自适应光学的重要参量之一。
Atmospheric coherence length is one of important parameters of atmospheric turbulence, atmospheric propagation of laser and phase adjustment of adaptive optics.
讨论了不同湍流强度、波长和传播距离对强度协方差函数和归一化强度方差的影响。
The influence of turbulence strength, wavelength and propagating distance on the covariance function and normalized variance of the scattering intensity is discussed.
当抖动范围相同时,随着湍流强度的减弱或者传输距离的减小,抖动的破坏更加严重。
If the scope of jitter is definite, the affect of jitter will become worse with the decrease of the turbulent intensity or transmission distance.
湍流强度、速度方差和速度偏度在林冠与大气交界面处达到最大,同时剪切也达到最强;
The turbulent strength, velocity flux, and skew were the largest at forest-atmosphere interface, as well the wind shear.
对山体尾流中最大平均速度扰动和湍流强度扰动的衰减规律以及山体尾流结构进行了分析。
The decay laws of the normalized maximum perturbations in the mean velocity and turbulent intensity in the wake and the wake structure are discussed.
径向湍流强度测量结果显示,此时管中流动已是复杂的三维结构,而非轴对称的二维结构。
Results of turbulence intensity across the pressure node plane also show, the regular and symmetrical flow structures in the tube have been turned to turbulence.
以正六边形阵列为例,分析了在不同湍流强度或者传输距离时,抖动对远场造成的的影响。
The influence of jitter on far-field also been given with different turbulent intensity or transmission distance based on a hexagonal-shaped laser array.
逆温层内部湍流强度的时-空变化是不连续的,动量和热量的输送在时间上是阵性的,在高度上是分层的。
The time-height variation of turbulent intensity in the inversion layer is incontinuous, the transfer of momentum and heat is gusty with time and sandwich with height.
论述了浮选槽的结构特征以及浮选槽中浆流速度、湍流强度和流动方向等特征对浮选脱墨流体动力学的影响。
The effects of flow velocity, turbulence level and flow direction in the cell on hydrodynamics of flotation deinking were also discussed in this paper.
于2006年3月至6月,进行了城市环境下3.5公里激光传输实验,测量了接收光强起伏和大气湍流强度。
An experiment of laser propagation was carried out at the urban terrain range of 3.5 km during the period of March to May of 2006.
通过测量近地面层不同高度处温度、湿度、压强和风速等常规气象参数,结合模型可给出近地面层大气湍流强度。
Through measuring meteorological parameters including temperature, humidity, pressure and wind speed, atmospheric turbulence strength in the surface layer can be obtained.
对发射光束取不同形状和不同光束质量时,在不同湍流强度情况下的传输进行了计算,并对碎斑特征进行统计分析。
The characteristic of the cracked beam spot are studied statistically for different emitting beam shapes and beam qualities, and with different turbulent effects.
分析已有实验数据表明:在温度场存在的气粒两相流中,两相流场的湍流强度和湍动能将会增加而横向速度将会减小。
The results showed that the turbulence intensity and turbulent energy of the two-phase flow increased while the transverse velocity decreased in the presence of the temperature difference.
但是在湍流强度较强的情形下,相干合成远场光束质量退化致非相干合成的情形,与激光阵列的紧凑度和激光波长无关。
In strong turbulent atmosphere, the far-field beam quality degrades into the incoherent combining case without any relationship with the fill factor and laser wavelength.
全面地分析了矩形射流气相时均流场的速度、湍流强度的空间分布规律,并就部分数值模拟结果与实验结果进行了对比研究;
The distribution of the time-averaged velocity and turbulence intensity was studied, and some of the simulation results were compared with the experimental results;
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