本文针对非设计工况下叶栅的分离流动进行研究。
This paper focuses on the unsteady characteristic of cascade separation flow under off-design condition.
用实验方法研究了压气机叶片前缘分离流动结构。
The test model used in this study consists of circular leading edge and elliptic leading edge.
进行了大气压等离子体激励抑制分离流动的试验研究。
Experimental investigation of atmosphere plasma actuation based flow separation suppression is performed.
这种分离流动是导致大上翘角后体阻力增加的主要原因。
The drag increasing of the larger-upswept afterbody is due to the afterbody separation.
侧重分析了叶轮内部分离流动和射流尾迹区的形成和特点。
The numerical simulation demonstrate the details of the flow separation, the wake formation and the secondary flows development.
本文对坑的三维分离流动做了低速粘流与无粘流的相互作用计算。
The coupled calculation for the viscous-inviscid interaction of three dimensional separated flow over dents at low speed has been made in the present paper.
计算了在振荡来流中绕圆柱的分离流动,得到了一些跟实验可比的结果。
The separated flow around a circular cylinder in oscillatory flow are investigated. Some results, being comparable with experiments, are achieved.
研究表明,分离流动对矢量喷管的性能参数尤其是有效矢量角具有较大影响。
The results show that flow separation has much effect on the performance parameters, especially the efficient deficient angle of the nozzle.
实验结果表明用外部声激励的方法可以控制小展弦比扩压器内的复杂分离流动;
The study shows that complex flow separation in the diffuser can be effectively brought under control by external acoustic excitation.
应用二维激光多普勒仪测量了二元曲壁非对称扩张通道内的湍流附面层分离流动。
The separating flow in a turbulent boundary layer was surveyed in a 2-d curved-wall diffuser by employing 2-d laser Doppler velometer.
综述了二维后向台阶、翼型以及轴墩称钝体等典型分离流动激振控制的实验研究。
Experimental investigations of control of separation flows of several typical geometry configurations have been reviewed, such as, 2d backward facing step, airfoil, axisymmetric bluff body, etc.
本文对后台阶分离流动中涡结构的演变进行了大涡模拟,研究了流场结构的变化规律。
In this paper, the evolution of eddy structures in the backward-facing step flow was studied by using large eddy simulation.
在分离流动计算中,尤其可以显示出它独特的优越性,本文的两个分离流动算例说明了这一点。
This outstanding advantage is shown particularly in computation of separated flow. Two examples are demonstrated in this pa…
以势流理论为基础,本文用不可压流涡段所产生的扰动流场的线性叠加,计算涡分离流动的流场。
Based on the potential theory, a linearity combination of the disturbance flow field generated by the uncompressible vortex part was applied in the computation of separate vortex flow.
在风洞用电子扫描阀进行测压 ,研究了绕平板扰流片和锯齿扰流片分离流动的壁面压力分布 。
Wall pressure distribution induced by the saw-tooth flap has been investigated with electronic pressure scanner in wind tunnel.
根据计算结果对大负攻角条件下叶栅二维分离流动的特点以及攻角对叶栅气动特性的影响进行了分析。
According to the obtained results, the behavior of the separation flow and the effects of negative incidences on the aerodynamic characteristics of cascade are analyzed.
小径高比的叶片采用静叶片的正倾斜的方法能够有效地控制流道内部的径向二次流和叶栅顶部的分离流动;
The method of forward leaning stator blade, which can effectively control the radial second flow and the top separate flow, is applied to the design of the small diameter-height ratio blade.
计算结果与风洞实验的对比表明,文中所采用的数值方法可以有效的模拟翼身结合处粘性分离流动,具有一定的工程实用价值。
And the viscous separation flow of wing-body trailing edge conjunction can be effectively simulated. Therefore these algorithms are valuable for the engineering applications.
目前,转轮内流场的研究还只是基于通过数值模拟对速度场和压力场进行观察和分析,但对于各种分离流动机理性研究还做得不够深入。
Nowadays, the research for inner flow field in runner still depends on the observation and analysis for velocity and pressure distribution obtained from numerical simulation.
她用一张图描述了数据流动的复杂性,她哀叹图书馆的数据在很大程度上和出版商的数据分离了,它们之间间隔着不能相容的格式和编目实践。
Her blob diagram conveyed the complexity of data flow, and she bemoaned the fact that library data was largely walled off from publisher data by incompatible formats and cataloging practice.
“流动打工者造成家庭成员分离的现象在其它国家也有,其中首推菲律宾,但他们的范围较小,而且大多都是跨国打工,”他说。
"The migrant worker phenomenon has led to separation of families in other countries, most notably the Philippines, but that's on a much smaller scale, and mostly cross-border," he says.
由于冰架的分离,海湾周围大多数冰川的流动明显变快了。
The loss of the shelf caused the flow of most of the glaciers around the bay to accelerate significantly.
科学家表示,这一研究结果能够用于防止固体与液体的分离,或者精准调解工程建设中需要的液体流动性。
The scientists say this effect could be used to keep solids from separating out of liquids, or to fine-tune the viscosity of a liquid in engineering.
我觉得如果健康保险与雇佣关系分离我们会有更有活力的劳动力市场,如果雇主没有行政和现金流动的负担会更好的。
I think we would have a more dynamic labor market if health care were decoupled from employment, and employers would be better off if they didn't have the administrative and cash-flow burden.
此时会产生一个柱状火。 这个柱状火正是从一个流动的颤抖的火球中分离出来的。
Thatcreated a column of fire which then detached itself to form a floating, quiveringfireball.
高尔夫球表面的小突起,也能起到促使分离的作用,但突起对流动的干扰有些难以控制,造成一些侧向力(也可以叫升力)。
Golf surface of small, yea, also can have prompted separation function, but the bumps of the flow interference some difficult to control, causing some lateral force (also can call lift).
在重力式油水分离场中,剪切流场主要存在于各种聚结填料中和器壁的流动边界层内。
In the gravity type oil water separating field, the shearing field mainly exists in all kinds of collison packing and flow boundary of vessel.
不同于传统的房子,这座建筑的上部分和下部分是分离的,并且它长长的线性流动像散开的轴线向外伸展。
Unlike that of conventional house, this building's upper and lower parts are divided and its long lines of flow extend like unraveling spools of thread.
这与球体绕流(即绕球体的流动)的湍流转捩及分离流现象有关。
The ball and the flow around namely the flow around the sphere of turbulent flow and unprecedented turn phenomena.
结果表明,无过载离心叶轮内部流动既没有出现分离,也没有明显的尾迹区存在。
The result shows that there exists neither flow separation nor apparent wake flow within an non-overload centrifugal impeller.
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