The wake is mixing with the last rotor tip leakage vortex in the stator passage, leading to more substantial fluctuations in the flow field.
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。
Moreover, because the intensity of vortex shedding in the wake of the guide vane is too weak, it's frequency has no influence on the vibration characteristics of the low-pressure compressor rotor.
同时由于导流体尾迹内部脱落涡强度太低,其脱落频率也不会对发动机低压转子振动特性产生影响。
The generation, shedding and movement of the single pair vortex street formed in the wake are revealed and discussed.
文中介绍了应用超声涡街流量测量技术测量低速气体的一个实验,并对结果进行了分析。
The Bernoulli hump, Kelvin wake, vortex wake and internal wave wake, etc. are generated, as the submarine moves in the ocean. These wake signatures may be used in remote sensing of submarine.
伯努利“水丘”、开尔文尾流、涡尾迹、内波尾迹都起源于潜艇水动力学,对于潜艇的非声探测具有重要的应用意义。
Both lift line model and generalized wake model are founded in this paper. A method is given for calculating induced velocities by a wake vortex line which results in a rapid convergence.
建立了旋翼升力线模型和广义尾迹模型,在计算角迹涡线诱导速度时,采用了快速收效方法。
The results show that the vortex motion is unstable for small three-dimensional disturbances in the separated wake of a circular cylinder.
结果表明,圆柱分离尾迹中的旋涡存在三维不稳定性。
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。
A model is developed for the calculation of the initial rotor tip vortex core radius aiming at eliminating the empirical parameters of the tip vortex in rotor free-vortex wake analysis.
建立了一个旋翼桨尖涡初始涡核半径计算模型,用于消除旋翼自由尾迹分析中桨尖涡涡核半径依靠经验设定的现状。
In the experiment, a simplified aircraft model (with tail wing) is employed to construct a 4-vortex wake system consisting of a pair of tip vortices and a pair of counter rotating tail plane vortices.
试验采用简化的飞机模型(有尾翼),建立了包含一对翼尖涡及一对反向旋转的尾翼涡(通过以负迎角安装尾翼得到)的4涡尾流系统。
In the experiment, a simplified aircraft model (with tail wing) is employed to construct a 4-vortex wake system consisting of a pair of tip vortices and a pair of counter rotating tail plane vortices.
试验采用简化的飞机模型(有尾翼),建立了包含一对翼尖涡及一对反向旋转的尾翼涡(通过以负迎角安装尾翼得到)的4涡尾流系统。
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