Vortex structure in shear layer and the interaction among vortices are two important aspect of coherent structure …
平面混合涡结构的演化和旋涡相互作用的研究，是湍流拟序结构研究中的两个重要方面。
In addition, the vortex structure in high temperature superconductors has attracted significant interest for many years.
另外，多年来人们对高温超导体中涡旋结构性质的研究一直抱有很大的兴趣。
The structure of cold vortex cloud system is catalogued by two types, the simple vortex structure and the occluded cyclone structure.
冷涡云系的结构可归纳为单纯的冷涡结构和具有锢囚气旋结构两类。
Byemploying a vortex structure for cooling, the pump is free of splashing, low in temperature rising and durable for long-term operation.
采用漩涡式方法进行吸收冷却，具有无飞溅、温升低、保证长时间使用等特点。
Compared with conventional blade, the passage vortex structure is more stable in cascade with aft-loaded blade which secondary loss is small.
与常规叶片相比，二次流损失较小的后部加载叮型所构成的叶栅内的通道涡在结构上较为稳定。
The discrete vortex method was adopted to simulate and analyze the vortex structure and pressure distribution of the flow field at the nozzle exit.
采用离散涡方法模拟了两种不同形状哨嘴的喷嘴出口流场旋涡结构和压力分布。
It's necessary to recognize the different vortices, when aero-optical distortion caused by hypersonic flow is studied using vortex structure as the turbulence model.
利用涡结构对光波通过高速流场的光学传输特性进行建模，就必须进行涡结构的识别。
In the experiments on the labyrinth models 10 times greater than the prototypes, no unusual vortex structure was found, and no abnormal phenomenon happened either from the leakage measurements.
在对10倍于原型的试件进行的水流模拟试验中，未观察到异常的旋涡结构，在泄漏量测量中也未发现类似的“反常”现象。
Vortex-induced vibration is limited amplitude response, but it occurs at low wind speed with relative large amplitude, which will affect the strength and fatigue resistance of the structure.
尽管涡振是一种限幅振动，但由于其发生风速较低，振幅相对较大，会影响结构的强度和疲劳，因此大跨度拱桥的涡振响应研究具有重要的意义。
Besides, in case the vortex shedding frequency is equal to a vibration frequency of structure, the rod will occur the vortex shedding resonance or called vortex resonance.
并且当漩涡脱落频率与杆件的固有频率接近时，杆件会产生漩涡脱落共振或称涡激共振。
The dynamics characteristics of dual bluff body vortex and the best structure of dual bluff body vortex improving fluid oscillation are studied.
研究了双钝体旋涡脱离的流体动力学特性以及利用双钝体增强流体振动的最佳组合结构。
This article recommends the basic principle and test measure as well as the installation structure of vortex street flowmeter, solves the problems occurred on the jobsite application.
介绍涡街流量计的基本原理、检测方法及其安装结构，提出了现场使用中出现问题的解决方法。
Though the structure of vortex tube is simple, the mechanism of energy separation is very complicated, so the researchers have not come to a conclusion.
尽管涡流管结构十分简单，但涡流管内能量分离物理机制极其复杂，研究者至今尚未达成共识。
And the axial symmetric vortex analytical equation, which fits for its structure characters, is established and the solution is given.
建立了适合其结构特征的轴对称涡流解析方程，给出了方程的解析解。
A new kind of vortical structure, whose features are contrary to those of the hairpin vortex, was observed in the present experiments.
实验中发现一种新型涡结构，它的特征与典型的发卡涡正好相反。
The vortices in the vortex wave flow have particular moving structure, they develop downstream first, stay at the point for a short time, then move upstream.
涡旋波流场中旋涡有其独特的运动规律——先向下游移动，停留很短的时间后，然后向上游移动。
The results show that the PIV is a credible and accurate method to study the flow characteristics and is suitable to explore the complicated flow structure, such as vortex, turbulence, etc.
结果表明，PIV技术非常适于显示涡流、湍流等复杂的流动结构，是风洞实验中研究流动特性的一种非常有效、准确的方法。
The latent heat of condensation and the water vapor don't play decisive roles in formation of the vortex, but play key roles in vortex maintenance and structure characteristics evolvement.
凝结潜热、水汽对低涡的形成不具有决定性影响，但对低涡的维持以及结构特征演变起关键作用；
It has simple structure, good airtight performance with high vacuum degree, no vortex loss, low cost on production, and no need maintenance.
本发明特点在于结构简单，气密性好，真空度高，无涡流损耗，制作成本低廉，而且不需对其进行专门维护。
The fifth chapter at first generally introduced principle and structure of vortex precession flowmeter, expanded on the classical theory of vortex precession flowmeter, and discussed its limits.
论文第五章介绍了旋进旋涡流量计的有理和结构，阐述该流量计的经典理论，分析了经典理论的局限性。
As in the latter case we adopt the concept of vortex motion structure of turbulence to solve the present problem.
如同处理后一种流动问题一样，我们现在根据湍流是由涡旋所组成的概念来求自由湍流的后期运动解。
Besides, in case the vortex shedding frequency is equal to a vibration frequency of structure, the rod will arises the vortex shedding resonance or called vortex resonance.
并且当漩涡脱落频率与杆件的固有频率接近时，杆件会产生漩涡脱落共振或称涡激共振。
In the planar motion, the influence of the transverse finite strain on the response of the structure subjected to different vortex-shedding loads is analyzed.
在平面结构模型中，比较了横向有限应变在不同涡旋脱落载荷的作用下对结构响应的影响。
This means that grid turbulence can effectively suppress the large-scale vortex and coherent structure in the shear layer.
这意味着网格湍流能有效抑制剪切层中的大涡和拟序结构。
Abstract: the forecast of heavy rain induced by vortex is not only determined by the vortex movement track, but also closely related to its structure and revolution.
摘要对西南涡暴雨的预报不仅取决于对西南涡移动路径的把握，也与西南涡的结构及其演变密切相关。
The velocity vector and vortical contour in three different circumference positions were successfully acquired and the structure of the tip leakage vortex was clearly illustrated.
测量得到了三个不同周向位置下的涡量图和速度矢量图，并观测到了叶顶泄漏涡的涡旋结构。
Besides, a notable vortex rope and a reverse flow structure exist in the draft tube in smaller wicket gate openings, which can easily lead to the instability in operation of the pump-turbine.
此外，发现开度较小时尾水管内存在明显的涡带和回流涡结构，容易导致机组运行的不稳定；
This study is focused on the influence of the transverse finite strain on the response of the structure subjected to different vortex-shedding loads.
位于海洋环境的张力腿平台受到的载荷是相当复杂的，本文着重考虑在涡旋脱落载荷作用下，横向有限应变对结构振动响应的影响。
This study is focused on the influence of the transverse finite strain on the response of the structure subjected to different vortex-shedding loads.
位于海洋环境的张力腿平台受到的载荷是相当复杂的，本文着重考虑在涡旋脱落载荷作用下，横向有限应变对结构振动响应的影响。
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