1) trailing vortex
尾涡
1.
Rigid trailing vortex model consistent with Goldstein hypothesis is often employed in propelles lifting line (lift surface) calculation on the condition of light load,but presents certain errors on the condition of heavy load.
与Ｇｏｌｄｓｔｅｉｎ假设一致的刚性尾涡是螺旋桨升力线（面）计算中的常用模型，适于轻负荷工况，但在较大负荷工况时则有一定的误差。
2.
And ensemble average was made in order to find the spatial evolution of the propeller wake,including tip vortex and trailing vortex sheet,in the region from the training edge to 2.
介绍了试验设置以及方案,通过对轴平面不同相位下螺旋桨尾流场的测试,分析了梢涡、尾涡的结构,以及梢涡、尾涡在尾流中生成、演化过程,试验还研究了螺旋桨尾流场随进速系数变化产生的变化情况。
3.
The evolutionary process of trailing vortex structure was analyzed.
利用数字式粒子图像测速系统(DPIV)开展了摆动柔性鳍的尾流场测试,分析了尾涡结构的演变过程。
2) wake vortex
尾涡
1.
In order to augment run-way capacity while maintaining safety,wake vortex separation can be reduced based on dynamic prediction of its dissipation.
研究了一种尾涡消散动态预测算法,该算法考虑了真实大气的大气分层、湍流、侧风、迎面风、风切变以及地效影响,并用一阶后向差分对该算法进行了离散化改进;在改进算法的基础上,对进近阶段尾流的消散在Matlab中进行了仿真计算;计算结果复现了尾涡的下沉现象和侧风对尾涡传输的线性累积效应。
2.
The wake vortex patterns,the distributions and the time series of dispersion functions of particles with different Stokes numbers were obtained.
数值结果揭示出了液固两相圆柱绕流尾迹中的颗粒扩散分布与颗粒的St数和尾涡结构密切相关:1)中小St数(St=0。
3.
The large eddy simulation methods can be used to analysis and calculate the decay and transport rules of wake vortex in near ground phases,but it′s too complex and difficult to use.
采用大涡模拟方法可以分析和计算近地阶段尾涡消散和运动规律,但模型繁琐、计算复杂。
3) wake
[英][weɪk] [美][wek]
尾涡
1.
Large-eddy simulation of particle wake effects;
单颗粒尾涡特性的大涡模拟
4) cochlea-channeled stern
涡尾
1.
The relationship between the resistance performance of a shipform with flat bow and cochlea-channeled stern and that of conventional shipforms is investigated.
探讨了平头涡尾船型阻力性能及其与常规船型阻力性能的联系。
2.
The performance of the flat bow and cochlea-channeled stern ship based on measured data and by statistical graphs and theoretical analysis is compared with that of conventional ships made at home and abroad.
根据多条平头涡尾船实船测试数据,并从图表统计及理论分析上将平头涡尾船与国内外优秀实船作了对比。
5) flow wake
绕流尾涡
1.
According to the characteristics of the flow field, it was found that the stick generated a strong flow wake in the cyclone separator, and different shapes of flow wake resulted from different types of the stick.
利用激光多普勒测速仪(LDV)对装有减阻杆的旋风分离器内流场进行了详细测量,根据流场分布的特点发现在减阻杆后存在明显的绕流尾涡区。
6) influence of the trailing vortex
尾涡影响
补充资料：尾涡
分子式：
CAS号：
性质：又称尾涡。不同颜色的两层粒子处于临界流化状态时，观察床层内气泡的上升过程。可发现气泡底部的低压区有夹带粒子向上运动的能力，即在上升气泡的下部存在着一个以同样速度，随着气泡一起上升的颗粒群，称为气泡尾涡。尾涡中随气泡到达床层表面的颗粒，在气泡崩破时散落在床层表面，尾涡是床内颗粒激烈运动的主要来源。
CAS号：
性质：又称尾涡。不同颜色的两层粒子处于临界流化状态时，观察床层内气泡的上升过程。可发现气泡底部的低压区有夹带粒子向上运动的能力，即在上升气泡的下部存在着一个以同样速度，随着气泡一起上升的颗粒群，称为气泡尾涡。尾涡中随气泡到达床层表面的颗粒，在气泡崩破时散落在床层表面，尾涡是床内颗粒激烈运动的主要来源。
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参考词条