本文从控制和利用旋涡分离流的观点出发,说明了边条机翼的设计思想。
An idea for the aerodynamic design of a strake-wing is proposed from the control standpoint with utilization of vortex and separated flows.
旋涡和流动分离的控制一直是空气动力学研究的一个重要课题。
Vortex and flow separation control has been one of the important subjects in the field of aerodynamics.
计算获得了分离流、二次流和多尺度旋涡结构,表明SST模型能很好地预测尾水管内的湍流流动。
Finally, separation flow, secondary flow and multi-scale eddy structure are simulated, it indicates that SST model can give a good prediction of turbulence in the draft tube.
数值模拟清晰地显示了排气缸通道内的流场结构是以各种旋涡为主要特征,包括通道涡、分离涡和端壁涡等。
The computational results revealed a complex vortex system within the casing model, including a passage vortex, a separation vortex and an endwall vortex.
采用差分方法计算旋涡流场,进而分析三角翼上前缘分离涡的运动特点及其破碎机理。
The vortex flow field is calculated with difference methods, and the motion characteristics and the bursting mechanism of the leading-edge separated vortices of delta wing are analyzed.
结果表明,圆柱分离尾迹中的旋涡存在三维不稳定性。
The results show that the vortex motion is unstable for small three-dimensional disturbances in the separated wake of a circular cylinder.
本文还分析了前缘分离涡破裂前后的流动现象和旋涡横截面流线图谱的变化规律。
This paper also presents analysis of the flow features ahead and behind of the leading edge vortex breakdown and the topological features of section streamlines.
由泄漏流引起的回流、分离和旋涡等使静子中靠近轮毂处流场十分复杂。
Backflow, separation and vortices result from hub leakage lead to a complex flow structure near hub in the stator passage.
在PIV流迹显示试验中观察到在模型上下两侧发生流动分离,后方有两个大旋涡,且在两个旋涡中间回流处测点的风压系数大于附近测点。
In the PIV flow visualization experiment, flow separation takes place at the top and bottom edges and two large vortices behind the model that remain attached to the back of the model are observed.
旋涡式锅炉烟气净化器,由烟气通道,分离室,旋涡室,贮液箱等构成。
The utility model discloses a flue gas purifier for the vortex boiler, comprising a flue gas passage, a separation chamber, a vortex chamber, a liquid storing tank, etc.
本文提出了一种消除泵站水泵吸水管内旋涡和流动分离的圆锥形防涡装置。
In this paper, a conical swirl-proof device is proposed to prevent eddy and flow separation in the water - inhaling pipe of the pump.
本文提出了一种消除泵站水泵吸水管内旋涡和流动分离的圆锥形防涡装置。
In this paper, a conical swirl-proof device is proposed to prevent eddy and flow separation in the water - inhaling pipe of the pump.
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