shear layer
[流] 剪切层
2025-08-14 19:35 浏览次数 7
[流] 剪切层
shear r layer剪切层
Shear-layer cavity flow剪切层腔流体
supersonic shear-layer超声速剪切层
jet shear layer射流剪切层
turbulent shear layer湍流剪切层
shear-layer instability剪流层不稳定性
compressible shear layer可压剪切层
a kind of kelvin type vortex formed by the roll up of the jet shear layer is observed in the experiment.
实验观察到射流迎、背流剪切涡层卷起形成类开尔文涡列。
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。
the near wake flow fields are calculated by simultaneously solving the viscous shear layer and the inviscid rotational region.
本文采用联立求解粘性剪切层和有旋无粘区的方法计算了再入钝头体层流近尾流场。
the influence of grid turbulence on the shear layer of a jet and the premixed flames embedded in it was investigated in the present study.
本文研究网格湍流对射流剪切层以及建立在其中的预混火焰的影响。
to offer a theoretical foundation for chemical equipment design, three-dimensional numerical simulations are made for compressible turbulent mixing shear layer based on large eddy simulation(les).
为了加深对复杂流动混合现象的认识,为化工设备设计提供理论基础,用大涡模拟方法对可压缩气体混合层进行了三维数值模拟。
the free shear layer is a typical flow phenomenon which includes transition and turbulence. the plane jet is a type of free shear flow more complicated than the plane mixing layer.
自由剪切流是一种典型的包含转捩和湍流的流动现象,而平面射流是一种比平面混合层复杂的自由剪切流。
in this paper, the shear layer oscillation mechanism is analyzed producing and impacting which aiming at the flow circs of the jet flow simulation.
本文针对伺服阀前置级射流流场的流动情况,分析了产生和影响剪切层振蕩的机理。
tsl coordinates. boundary conditions. shear layer categories.
薄剪力层座标,边界条件,剪力层种类。
when the stress of composites with multiple broken fibers is studied, it is considered for matrix to sustain axial load. shear layer lay between fiber and matrix.
在研究多纤维断裂的复合材料板的应力场问题时,考虑了基体承受拉应力以及纤维断裂对整个复合材料板的应力场的影响,在纤维与基体之间存在剪切层。
among them, the isolation of base shear and the upper shear layer structure under earthquake, when compared with no isolation have decreased.
其中,隔震结构的基底剪力、上部结构的层间剪力在地震作用下,比不隔震时均有所降低。
the influence of passive control method of grid turbulence, on the shear layer of a jet and related premixed flames was investigated.
研究了网格湍流的被动控制方式对射流剪切层以及相关预混火焰的影响。
with the motion of separating vortices, some of them flow downstreamly as a free air bubbles, and some move to the shear layer flow region entrained by cavitating vortices.
部分气泡被旋涡空化团所包含,因此在通气条件下,空化涡中包含有空化泡和空气泡。
in supersonic free-vortex aerodynamic window (adw), high energy laser beam is exactly output through a shear layer of supersonic free-vortex jet, and the laser beam is interfered by shear layer.
在超声速自由旋涡气动窗口应用中,高能激光束实际上是透过超声速自由旋涡射流的剪切层输出的,激光束会受到剪切层的退化畸变。
first of all, control of the shear layer of jets by grid turbulence was studied for isothermal flows.
首先,在冷态流动中完成了利用网格湍流控制射流剪切层的实验研究。
the mechanism of the self-sustaining pressure oscillation derived from the free shear layer between jet edge and downstream disturbing objects is investigated and some experiments are made.
研究了喷口边缘自由剪切层在下游扰流物干涉下产生自激振蕩的机理,并进行了相应的实验。
the plate in the cavity isolates the shear layer and the cavity, and therefore reduces the coupling between the cavity pressure fluctuations and the shear layer.
腔内平板将剪切层与空腔隔开,减弱了剪切层振蕩与空腔压强脉动的耦合作用;
「this shear layer flaps and up and down like a flag in the wind, 」 rowley said.
这一剪切层像风中的旗帜一样上下飘动。
the velocity ratio of a free shear layer has an important influence on the spatial developments of large scale coherent structures in the layer.
自由剪切层的速度比对层中大尺度相干结构空间发展有重要影响。
the experimental investigations were performed on the impinging shear flow that is comprised with a jet shear layer impinging a plate parallel to the jet.
本文对撞击剪切流,即射流剪切层撞击顺流放置的平板的流动,进行了实验研究。
in the presence of the flow deflector, the generating of the vortices and the separating of the shear layer are avoided thereby the energy loss of the jet nozzle is reduced considerably.
由于喷头中有了导流体,避免了涡流的产生与剪切层的分离,从而大幅度地减少了喷头的能量损失。
the vortex structures under some instances are analyzed. the difference with time-mean velocity field and free shear layer is discussed, and a reasonable description of the topological …
本文分析了各种情况下旋涡结构特点、讨论了与时均流场和自由剪切层的区别,还给出了二维后向台阶流的拓扑结构。
the experimental studies for large eddy structures in reattached shear layer over two-dimensional backward-facing step flow are made with flow visualization techniques.
在空气流动中利用流场显示技术对二维后向台阶流动的分离和再附着剪切层中的大涡结构作了实验研究。
in this paper, the investigation of the variations of the peak power and phase angle of a laser beam passing through a turbulent shear layer is discussed.
本文论述一个由流体力学和光学联系起来的新课题——激光通过湍流剪切层后的相位变化及峰值功率变化。
most of the flames in practical combustors are established in flow fields of the structure of the shear layer of jets.
多数实用燃烧装置的火焰建立在具有射流剪切层结构的流场中。