时均速度,mean velocity
1)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。
英文短句/例句
1.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
2.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
3.Their speed averaged out at 45miles per hour.他们的行车速度平均为每小时４５英里。
4.Our speed averaged out at 50 km an hour.我们的平均速度是每小时50公里。
5.The average velocity result shows the average magnitude of velocity of the polymer inside the mold cavity over time.平均速度?显示塑料在模腔内随时间而变的速度值（平均是指厚度上的平均）。
6.Some improvement in efficiency can be gained at high speed by reducing viscosity and at low speed by increasing viscosity.在高速时降低粘度，在低速时增大粘度，均可提高效率。
7.mean avoiding speed平均避碰速度平均规避速度
8.The average rate of rise during the first minute or so is approximately 260 miles per hour.第一分钟左右的平均上升速度约为每小时260哩。
9.Find the magnitude of the average acceleration during the interval.求在这段时间间隔内平均加速度的数值。
10.Typhoon mean wind speed of different time-distance and its intensity estimate based on wind speed data of boundary layer of typhoon "Vongfong"“黄蜂”边界层风速分析——台风平均风速的时距选取与强度估计
11.points of mean axial fluid velocity平均轴向流体速度点
12.average angular velocity of main shaft of machinery机械主轴的平均角速度
13.mean fully developed braking deceleration MFDD充分发出的平均减速度
14.instantaneous state of velocity瞬时速度, 速度的瞬时状态, 速度瞬时值
15.The average speed was only 15 kilome-ters.平均时速仅15公里。
16.The speed exceeds the average speed by a factor of 3.5.该速度超过平均速度两倍半。
17.each vehicle is driven an average of 10,000 miles per year at an average highway speed of 59 miles per hour.平均每辆车每年以每小时59英里的速度开1万英里。
18.but its average speed in service is only 249.4 kph.但是，它在使用中的平均速度则仅为每小时249. 4公里。
相关短句/例句
particle time-averaged velocity颗粒时均速度
1.The measurement ofparticle time-averaged velocity was completed by using a PV4A optical fiber probe in a cold model set-up o.根据互相关测速技术提出了一种测量颗粒时均速度的新方法,与Aguillon和Nieuwland提出的方法相比,本方法不仅考虑了采样时间内向上及向下运动颗粒微元体的速度和数量变化,而且还考虑了所测颗粒微元体的浓度变化。
3)time mean speed时间平均速度
1.This paper has proposed a method to estimate traffic density using the output(traffic flow andtime mean speed) of fixed traffic detectors.本文提出了一种利用定点检测器数据(流量和时间平均速度)来获取交通流密度的方法。
4)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。
5)velocity uniformity速度均布
1.Optimal design forvelocity uniformity among unequal-width microchannels;非等宽微通道阵列速度均布的优化设计
6)average velocity平均速度
1.A new method ofaverage velocity extraction and its application;一种新的平均速度提取方法及其应用
2.The time-depth conversion method in common use in coalfield 3D seismic prospecting is: Firstly use borehole site target layer plumbing depth divide by half of target layer reflection time,calculating the each borehole coal seamaverage velocity,and then using interpolation method plotting out velocity distribution plan of surveying area.煤炭三维地震勘探对煤层作时深转换时常用的方法是:首先利用钻孔处的目的层铅垂深度除以钻孔处目的层的反射时间值的一半,算出各个钻孔处煤层的大平均速度,然后利用内插法绘制测区速度分布平面图。
延伸阅读
均时法见全息干涉法。
