在此基础上，提出了基于近壁区相干结构流动参数的新型大涡模拟壁面模型。
Based on the coherent structures, a new type of wall model for large-eddy simulation (LES) was established.
转子尾迹在静子通道内追赶上从前一转子叶片通道内下来的叶尖泄漏涡，二者的相互作用和掺混导致静子尖区更为复杂的二次流动。
The wake is mixing with the last rotor tip leakage vortex in the stator passage, leading to more substantial fluctuations in the flow field.
同转子尾迹相比，转子叶尖泄漏涡对静子尖区的影响更为明显和深远。
The rotor tip leakage vortex has a stronger influence on the downstream endwall flow than the rotor wake.
诊断分析中发现暴雨落区和低层正涡度、水汽、压能、湿焓、位涡等有很好的对应关系。
The precipitation area has a good relationships with low level positive vorticity, water vapor, pressure energy, moist enthalpy, potential vorticity etc.
物理上看，在一个特定的临界行波速下会形成自发的周期性分离再附流，每个波谷的分离区捕获一个稳定的涡环。
Physically, at a special critical wave speed the flow may have a naturally periodical separated-reattached pattern, with each wave trough capturing a stable vortex ring.
角区旋涡及泄漏涡影响区域紊流强度较高，其中径向分量最高，远大于轴向和切向分量。
The radial component is the highest of the three turbulence intensities in the corner vortex or leakage vortex region.
与副热带锋区上急流相关的平流非线性作用在水热收支与涡度平衡中占优势。
Nonline advection which is connected with jet of subtropical frontal zone occupies a main place in heat and moisture budgets and vorticity balance.
用频域相干分析法间接地证实了锥形涡的存在，并指出它是造成此类结构角区附近负压显著偏大的主要原因。
Furthermore, it is verified that the peak suctions are highly correlated with the conical vortices by coherence functions of fluctuating pressures.
对流层低层干位涡场特征表现为，风暴区形成干位涡等值线密集区和风场切变的耦合。
The dry PV field in the lower troposphere shows that the coupling of the dense PV isoline zone and the wind shear was formed in the storm area.
细涡丝在涡辫区的三维演化形成趋向流场最大拉伸变形方向的流向涡结构。
The thin vortex filament deforms three-dimensionally in the braid and generates stream-wise vortex structures which incline to the region maximum deformation direction of the flow field.
在这一区域内有一对最小气压中心，一个与最大涡度中心相重合，另一个则在更向北3公里左右处。
Within this area is a double minimum in pressure with one center collocated with the vorticity maximum and the other about 3 km farther north.
在叶栅下游，由于径向正压梯度的影响，低能气体沿尾流区向轮毂输运，引起下通道涡的迅速消散与衰减。
Due to the influence of radial positive pressure gradient, low-energy gas moves along trailing area to hub. That causes rapid dissipation and weakening of downstream passage vortex.
对分离区大小、分离涡强度的影响还需进一步的实验研究。
As to the size of separation zone and intensity of separation vortex, further study is needed.
结果表明： 北京地区高低层配置符合干侵入三维模型， 中层以上的干区与水汽图像的暗区相吻合， 同时配合有自高纬向低纬传播的高位涡带， 北京地区干侵入特征明显。
The main results are as follows: The dry zone and high potential area above middle-level corresponded well with dark zone in WV image, which showed the dry intrusion was obvious.
实验结果表明，燃烧器区射流一出口就出现了贴壁，燃烧区及燃尽区壁面附近涡量强度和湍动度都很高。
The results of an experimental investigation indicate that there emerges a wall attachment phenomenon as soon as the jet flow at the burner zone reaches its outlet. Furt...
实验结果表明，燃烧器区射流一出口就出现了贴壁，燃烧区及燃尽区壁面附近涡量强度和湍动度都很高。
The results of an experimental investigation indicate that there emerges a wall attachment phenomenon as soon as the jet flow at the burner zone reaches its outlet. Furt...
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