时均流速,Mean Velocity
1)Mean Velocity时均流速
1.The velocity distribution inside and above the submerged vegetation can be divided into three zones from the bed surface to the water surface,The experiment results show that the mean velocity are increased humdrum,and then keep invariability,the velocity distribution reobey semi-logarithm distribution;The maximum of turbulent intensity in long.通过室内水槽模型试验,探讨了有低矮植被生长的河道糙率变化、时均流速的垂线分布以及紊动强度的垂向变化规律。
英文短句/例句
1.Experimental study of the velocity profile at 90° open channel confluence90°支流入汇区域时均流速分布特征试验研究
2.and the average flow velocity of rising tide is generally bigger than that of ebb tide.涨潮平均流速一般大于落潮平均流速。
3.points of mean axial fluid velocity平均轴向流体速度点
4.The average speed was only 15 kilome-ters.平均时速仅15公里。
5.Research about the characteristic of drag reduction over riblets surface based on average velocity profile in the turbulent boundary layer基于湍流边界层时均速度分布的脊状表面减阻规律研究
6.Wang Ping: The Bohai Straits is 109 kilometers wide, and the average speed of the ocean current is 6 sea miles per hour. Sometimes it can reach 9 sea miles per hour.王平：渤海海峡宽109公里，海流速度平均每小时6海里，水流最强时可达每小时9海里。
7.Relationship between Average Velocity and Radius in Round Pipe Fluid Flow;圆管流体平均流速与管道半径的关系
8.time non-equilibrium factor of passenger flow客流时间不均衡系数
9.In a uniform flow, the velocity is constant everywhere.在均匀流动中，速度处处相同。
10.Research on incipient velocity of nonuniform sediment on slope of bend river bank河湾坡岸非均匀沙起动流速公式探讨
11.These transient amplitudes depend on the rms current interrupted, the point on the sine wave when the interruption occurred, the speed of the disconnection etc.这些电涌的幅值取决于中断电流的均方根值、断发生时在正弦波上所处的点、断的速度等。
12.Velocity Distribution of Steady Uniform Flow in Open Channel with Trapezoid Cross section梯形断面明槽中恒定均匀流的流速分布
13.Calculation of the Longitudinal Depth Averaged Velocity Distribution of Curved Conduit Flow弯道水流纵向垂线平均流速分布的计算
14.His average speed had been 301 miles per hour.他的平均时速实际是301英里。
15.Their speed averaged out at 45miles per hour.他们的行车速度平均为每小时４５英里。
16.Our speed averaged out at 50 km an hour.我们的平均速度是每小时50公里。
17.Exploring the relation between average speed and instantaneous speed using "Llongwill~(TM)"利用“朗威Llongwill~(TM)”探究瞬时速度和平均速度的关系
18.After hydrogen injecting,firstly,a combustion flow pattern developed in the combustion chamber with the flow velocity being supersonic on average.注入氢后,首先在燃烧室内形成平均流速是超声速的燃烧流动。
相关短句/例句
TMFV时间平均流速
1.Doppler ultrasound was used to measure SMA blood flow hemodynamic parameters including: PSFV (cms),TMFV (cms), EDFV (cms), RI .方法将40例单纯早产的早产儿按喂养耐受情况分为观察组(喂养耐受,11例)和对照组(喂养不耐受,29例),两组新生儿采用多普勒超声测量第1次喂养前后SMA血流动力学参数,即收缩期峰值流速(PSFV)、时间平均流速(TMFV)、舒张末期流速(EDFV)、搏动指数(PI)、阻力指数(RI),并记录足量喂养时间。
3)mean velocity时均速度
1.The experimental results including themean velocity field, fluctuating velocities and turbulent kinetic energy show that the structure of the velocity field varied with different immersing depths of the impeller in the stirred tank.利用三维激光多普勒测速系统(3D-LDV)对搅拌槽内的流场进行了湍流测量和分析,同时给出了在搅拌桨不同浸入深度时搅拌槽内的时均速度场分布、脉动速度和湍流动能等实验结果。
4)average flow velocity平均流速
5)mean velocity平均流速
1.The f-Re relationship and formula formean velocity in smooth region of turbulent open channel flow with hyperconcentrated sediment;高含沙明渠紊流光滑区f－Re关系与平均流速公式
6)average velocity平均流速
1.The influence of aeration onaverage velocity ofself-aerated chute flow;明渠水流自掺气对断面平均流速的影响
2.Research on application of fuzzy optimization neural network model to debris flowaverage velocity forecasting;模糊优选神经网络模型在泥石流平均流速预测中应用研究
3.Based on the Nikurades velocity distribution formula in the round pipe fluid flow,combining with the experiment results of fluid mechanics,the relationships between theaverage velocity and radius of round pipe are given,which offers the basis for the design of the flow meter applying Pitot pipe theory.根据尼古拉兹的几种流速分布计算公式,结合试验比较,推导出各种流态中平均流速与圆管半径的函数关系,从而为应用毕托管原理设计管道流量计提供依据。
延伸阅读
均时法见全息干涉法。
