高射流压力和射流角增加羽流涡度，激波位置较高。
The vortices of the plume and the height of the jet interaction shock increase with increasing incidence Angle and jet pressure.
不同二次流与叶片颤振的相关性中尖部漏流涡对叶片气弹稳定性的影响较大。
The tip leakage vortex may have greater effect than other vortexes, that is consistent with the experimental results.
模拟获得了三维潮流水平与垂直分布结构以及若干个潮致余流涡的水平分布状况。
The horizontal and vertical structures of tidal currents were obtained and the inter-tidal Eurlarian residual circulation was analyzed.
利用非定常流函数涡量方程数值模拟圆柱突然起动尾流涡旋的形成及周期性脱落过程。
The unsteady equations of stream and vorticity functions were used for numerical simulation on the process of the vortex formation and periodic shedding from an impulsively started circular cylinder.
而交流电所产生的电磁力对于绕流涡街、升力、阻力的控制作用，则与所使用的频率有关。
The control effect of electromagnetic force on cylinder wake, lift force and drag force , which was caused by alternating current, is related to its frequency.
计算结果表明，漏流涡对叶片气弹稳定性影响较大，大涡量的漏流涡能抑制叶片颤振发生。
The results show that the tip leakage flow vortex has a great effect on the blade aeroelastical stability and large tip leakage vorticity may restrain blade flutter.
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.
以空气和水为介质，以三角柱为旋涡发生体，在内径为50mm的水平管和垂直上升管中分别进行实验，分析雷诺数和体积含气率对气液两相流涡街稳定性的影响。
Experiments were performed in horizontal and vertical conduits with diameter of 50 mm respectively, adopting air and water as flow media and a triangular prism as the vortex-forming body.
他盯着看她指尖上的涡纹和流纹。
作用在任意运动物体（系）上的力和力矩可以分别表示成流场中动力学涡量的一阶矩和二阶矩随时间的变化率。
The force and moment exerted on the solid body are expressed as the rate of change of the first-and second-order kinetic vorticity moments, respectively.
利用涡结构对光波通过高速流场的光学传输特性进行建模，就必须进行涡结构的识别。
It's necessary to recognize the different vortices, when aero-optical distortion caused by hypersonic flow is studied using vortex structure as the turbulence model.
发现了进气道出口的旋流与对涡，并对其形成的原因做了初步分析。
The circumferential rotational flow and pair whirls at the exit of the inlet were also found, and subsequently, the causes were analyzed.
结果显示：涡管流函数是时间的周期函数，并被表征为一系列在涡核内均匀分布螺旋涡丝流函数的叠加。
The result showed that the stream function of vortex tube was expressed as the superposition of the stream functions of vortex filament within the vortex core.
本文从对几种建筑物模式的风环境进行数值模拟出发，给出了几种常见建筑模式的流场和涡量场。
The wind environment of some building models numerically simulated and the stream and vortex fields of the flow around some common buildings are given.
研究雾状流条件下，离散液相对涡街流量计测量误差的影响。
The measuring error of vortex street flowmeter was investigated in condition of mist flow.
根据流体力学原理，用离散涡方法建立了在复平面上模拟喷嘴出口流场的一套完整模型。
On the basis of fluid mechanics, a comprehensive model for simulating flow field at nozzle exit is developed by using desecrate vortex method.
利用附加的小辅助件，改变翼面上方的流场，使机翼前缘肌体涡推迟破裂。
The leading edge vortex breakdown can be delayed using supplements to change the flow field over upper surface of the wing.
与常规叶片相比，二次流损失较小的后部加载叮型所构成的叶栅内的通道涡在结构上较为稳定。
Compared with conventional blade, the passage vortex structure is more stable in cascade with aft-loaded blade which secondary loss is small.
为证实这一现象，我们通过对中尺度暖涡流场结构分析，提出了中尺度暖涡诱导陆架上升流的必然性。
The structure of mesoscale warm eddy was analyzed in order to verify this phenomenon. The necessity of shelf upwelling induced by mesoscale eddies was thus confirmed.
计算了圆柱的升阻力系数、尾涡脱落频率等描述绕流问题的主要参量。
Such parameters of flow characteristics are investigated as lift and drag coefficient and vortex shedding frequencies.
采用流函数-涡量法对粘性不可压缩流体的二维瞬态流动进行模拟计算。
The stream function-vorticity method has been used to simulate two-dimensional transient state of incompressible viscous flow.
结合探针信号的自相关函数，研究流场湍流结构，发现近尾可能存在大涡拟序结构，而在远尾则没有湍流。
By studying the autocorrelation function of the probe signal, it is found that the large eddy quasi ordering structure likely exists in near wake, but there is no turbulence in far wake.
计算了雷诺数为8.9 ~ 1000.0时圆球绕流受到的阻力，分析尾涡形状及长度随雷诺数的变化规律。
The drag on the sphere was calculated for Reynolds numbers8.9to1000.0, and the shape and length of the wake behind the sphere were investigated.
本文建立的水轮机固定导叶和活动导叶后卡门涡频率预估模型，可在设计阶段进行叶片绕流卡门涡频率的预估。
The shedding frequency computation model built in this paper can be used to predict the shedding frequency of the Karman vortices for designing hydraulic turbines.
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.
绘制了速度矢量分布图，和流函数，涡量，两个分速度及压强的等值线分布图。
The diagram of distribution of speed arrow, constant lines of flow-stream function, vortex, two speed parts and pressure were studied.
计算结果表明，旋风分离器内部的流场分为两部分：螺旋通道内比较稳定的流场和筒体中心区域的复合涡结构流场。
It is shown that there are two regions in the cyclone, the steadily tangential flow in the spiral channel and the combined vortex flow in the centre.
本文建立的水轮机固定导叶和活动导叶后卡门涡频率预估模型，可在设计阶段进行叶片绕流卡门涡频率的预估。
The vortices shedding frequency calculation model proposed by this paper can be used to predict the shedding frequency of the Karman vortices for hydraulic turbines design.
采用数值模拟的方法，研究了流道内上下两肋片均布置有涡产生器的扁管管片式散热板芯的传热与阻力特性，并与流道单面布置涡产生器的换热板芯进行了对比。
The characteristic of heat transfer enhancement and the fluid flow of the fiat tube bank fin exchanger which has vortex generators on both sides of the fin were investigated by using numerical method.
运用数值方法模拟了细长体在不同攻角条件下亚音速绕流的背涡结构，探讨了非对称涡流的气动力特性。
Subsonic vortical flows over a slender body at different angles of attack were simulated numerically, and the aerodynamic characteristics of asymmetric vortical flow were also investigated.
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