1)  wake coefficient
尾流系数
2)  wake
尾流
1.
Concentration field in near wakes;
岛屿尾流近区浓度的分布特性
2.
One-dimensional wavelet transformation analysis on specialty of scattered light from ship wakes;
尾流散射光性质的一维小波变换分析
3.
An overview in the research of the optical properties of air bubbles in the wake;
气泡尾流光学特性研究的发展评述
3)  wake flow
尾流
1.
PIV measurement of wake flow of an airfoil near free surface and the POD analysis;
近自由表面翼型尾流速度场的PIV测量及POD分析
2.
An investigation on determination of proper towing distance between the autoboat and the dumb ship by numerical simulation on the wake flow of the propeller;
由推进器尾流计算确定动力艇合理牵引间距研究
3.
The result indicates that the flow field is much more complex than normal case;the airforce which wake flow acts on the extendible cone change significantly during the scparation,the value provides reference to the driving force design of extensible framework.
研究表明,展开过程中,流动情况较普通喷管更复杂,尾流作用在延伸锥上的气动力变化剧烈,其数值对展开机构的驱动力设计提供了依据。
4)  wakes
尾流
1.
Numerical Simulation of Bubble Distribution Characters in Ship′s Far Field Wakes;
舰船远场尾流气泡分布特性的数值模拟
2.
The characteristic parameters of the submarine boundary layers and wakes are obtained.
建立了三维湍流边界层及尾流的动量积分方程,通过算例将计算结果与Gadd的结果进行比较和分析,验证了该方法的可靠性。
3.
Air bubble screen in ship wakes makes seawater in wakes optical characteristic more different with others,which can be used to track,identify and orientate objects in the seawater.
舰船尾流场中气泡幕的存在,使得舰船尾流区域的海水的光特性与周围海水的光特性有很大差异,利用尾流场光学特性的异变,可作为水下航行体跟踪、识别和定位目标的重要手段。
5)  bubble wake
尾流
6)  exhaust plume
排气尾流
1.
The k-ε eddy dissipation model was used for the numerical simulation of the dispersing characteristics of vehicular exhaust plume under idle condition.
利用k-ε湍流模型对怠速条件下汽车排气污染物在排气尾流中的扩散特性进行了研究。
参考词条
补充资料:缩流系数
分子式:
CAS号:

性质:当流体在管内流经一个突然缩小的截面(例如流经孔板或变径管)时,由于惯性的作用,流体经此缩孔后,其流动截面并不能立即与下游的管截面相等,而是在一定距离内继续收缩,然后才逐渐扩大到下游的整个管截面。流体在这个从收缩到扩大的过程中,在孔口下游某处,流动截面最小,此处称为“缩脉”。缩脉的直径Dc不仅比管径D小,而且也比孔口直径D0小。缩脉截面积与孔口截面积之比称为缩流系数Cc可用下式表示:Cc=(Dc/D0)2。在利用孔板流量计测量流量时,以及在计算流体的能量损失时,都应计入缩流系数的影响。

说明:补充资料仅用于学习参考,请勿用于其它任何用途。