mean velocity
英 [miːn vəˈlɒsəti]
美 [miːn vəˈlɑːsəti]
平均速度；平均流速
双语例句
- Significances of Cerebral Blood Flow Resistance and Mean Velocity Changes in Infants of Diabetic Mothers
糖尿病母亲足月新生儿脑血流阻力与平均速度变化的意义 - All particles reduce the jet velocity half-width, but the effects on the streamwise mean velocity profiles are complicated.
所有的颗粒都降低了射流速度半宽，但对流向平均速度剖面的影响比较复杂。 - Mathematical modeling about the material moving on the layered surface was established to find out the method to calculate the mean velocity and the jumping times of material.
建立了物料在层状工作面上的运动模型，提出了物料运动平均速度和跳动次数的计算方法。 - By numerical solutions, analyses the variation regularity of the mean velocity correction coefficient and flow rate correction coefficient with the height above the point heat sources and the distance between adjacent sources.
通过数值计算，分析了平均速度修正系数、流量修正系数随高度和热源间距的变化规律。 - Two data processing methods, one analogue method and the other digital, were employed in order to obtain the profiles of mean velocity and turbulent intensity.
通过模拟法和数字法处理数据，得到了回流区的平均速度和湍流度分布，还从数字数据处理器得到了速度概率分布和概率密度函数。 - Meanwhile, with the increase of the mean velocity of abrasive, the wall sliding velocity will increase.
同时壁滑速度随磨料平均速度增加而增大。 - Method of estimating mean velocity of the blood flow with Doppler Ultrasound
超声多普勒技术中血流平均速度的估计方法 - These included leukocyte rolling number, adhesion number, mean velocity of blood flow and venular shear rate.
观察指标包括白细胞滚动数、粘附数、平均血流速度和壁切率。 - The computed mean velocity along the symmetry line and the aerodynamic forces are compared with experimental results. The results are in agreement with the experimental results.
计算得到的沿对称线的时均顺流向速度与文献上的实验结果进行了比较，结果吻合较好，同时还对绕方柱流的流场结构进行了分析研究。 - The variation of microscopic particle velocity distribution function and sequential macroscopic variations of characteristics including mean velocity of particles, peculiar velocity of particles and vertical distribution of particle amount per unit volume are discussed respectively.
本文分别对微观的颗粒速度分布函数变化和由此衍生的诸如颗粒平均速度、颗粒脉动速度和单位体积颗粒数垂线分布等宏观变量的变化进行了系统比较。 - By processing and calculating the particle images, phase-averaged and mean velocity fields are obtained, and the velocity distribution profiles are also presented.
在对粒子图像进行处理和计算后，得到了相平均速度场和系综平均速度场，并给出了速度分布剖面图。 - This study indicates that Manning's roughness coefficients do not be constant for an open channel. In the case of uniform flow, the roughness coefficients decrease with increasing of either water depth or mean velocity of cross section;
本文的研究表明：对于指定的明渠，曼宁糙率系数不为常数，均匀流的糙率系数随着水深和断面平均流速的增大而减小； - The effects of pressure gradient and streamline curvature on the distributions of mean velocity and turbulent values are discussed in this paper.
讨论了压强梯度和流线曲率对壁面律、尾流律以及湍流应力和混合长分布的影响。 - The decay laws of the normalized maximum perturbations in the mean velocity and turbulent intensity in the wake and the wake structure are discussed.
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。 - Detailed mean velocity distribution of a rotating U-bend duct was measured with LDA.
为了深入了解旋转涡轮叶片内冷通道中的流动特性，用激光多谱勒测速仪（LDA）测量了旋转U型通道中的平均速度分布。 - Vertical profiles of mean velocity were observed experimentally, vertical distributions of shear velocity and turbulence intensity were analyzed, and eddy viscosity and Prandtl mixing length were evaluated both theoretically and empirically.
实验观测了含植物河流中流速垂向分布，分析了剪切应力和紊动强度的垂向变化，并以经验和理论公式估计了涡动黏滞系数和普朗特混合长度的数值。 - In the CGT region, the relation between turbulent Reynolds stress and mean velocity gradient is nonlinear.
CGT区域内雷诺应力与平均速度梯度呈非线性关系。 - The results show that the heat transfer boundary conditions have a small effect on the distribution of non-dimensional mean velocity in the measured field, whereas different heat transfer boundary conditions have a certain effect on the distribution of turbulent intensity.
测试结果表明：传热边界条件对被测区域的无量纲平均速度的分布影响很小，而传热边界条件不同对湍流度的分布有一定的影响。 - The mean velocity and time passing the horizontal entrained bed of the particles and Argon gas were obtained and the difference between the granules and the gas movement in mean velocity was analyzed.
计算出了颗粒和氩气的平均速度以及流经水平携带床的时间，对颗粒与氩气的跟随性进行了分析。 - From this approximate solution the shearing component of the Reynolds stress is found to be directly proportional to the gradient of mean velocity.
从这样的近似解得出的Reynolds剪应力是和平均流速的坐标梯度成正此。 - A time-domain estimation method of mean velocity for Doppler Ultrasound blood flow signal is described.
论述了超声Doppler血流平均速度时域估计的方法。 - The turbulent flow of plastic fluids in smooth pipes has been studied by using the stochastic theory of turbulent flow, and the formulas have been presented for evaluating the time average velocity in the whole section of pipes, mean velocity and friction factor.
本文应用随机湍流模型对塑性流体在光滑圆管内的湍流流动规律进行了研究，得到了包括近壁区域在内的断面时均速度分布和平均速度、沿程阻力系数的计算公式。 - Mean Shift Based Clustering Analysis of Multi-spectral Remote Sensing Imagery The distributions of mean velocity and r. m.
基于均值漂移法进行多光谱遥感聚类研究雾粒时均速度从数量级及分布趋势上与数值模拟结果均一致。 - The SiO_2-crystalline structure is analysed and the relation between mean Velocity and energy of electron is discussed according to the energy band theory in this paper. The micromechanism of crystal conducting and isolating is explained.
利用能带理论，分析了SiO2晶体结构和晶体中电子平均速度与能量的关系，解释了晶体导电、绝缘的微观机理； - A hot-film anemometer was used in the measurement of local gas-holdup, liquid mean velocity and turbulence parameters in gas-liquid stirred tanks.
开发应用了热膜风速仪测量搅拌槽内气-液两相流的局部气含率、液体的时均速度及湍流参数，从国内外已有的文献看，只有Lu做了类似的工作。 - Numerical results of the mean velocity and turbulent kinetic energy profiles were compared with those both calculated by the standard k-ε model and obtained from the experiment.
将计算得到的平均速度分布和湍动能分布与标准k-ε模式的计算结果以及实验数据进行了比较。 - Hot wire anemometry was used to measure the instantaneous flow velocities at the plane of 10D downstream of the main cylinders, and the mean velocity profile and Reynolds stress distributions were obtained.
采用热线风速仪测量了并列双圆柱下游10倍直径处截面上的瞬时速度，得到了平均速度剖面和雷诺应力分布，同时测量了并列双圆柱的表面压力分布。 - It is to measure local velocity distribution and mean velocity in pipe and porous media.
该平台可以用于确定单管及多孔介质内局部速度分布和计算平均速度。 - Mean velocity profile and turbulence characteristics of wind in mountainous areas are analyzed. And a comparison is made between the provisions about wind load in mountainous areas in load codes of China, the USA and Japan.
第二，阐述了山区风的特点，分析了山区平均风速剖面的特性，对山区脉动风的湍流特性进行了介绍，并对中美日三国荷载规范中关于山区风荷载的规定进行了对比分析。