湿位涡对西南涡的斜压性加大有重要的贡献。
Wet potential vorticity had a great contribution to the stronger baroclinicity of the southwest vortex.
对多纵向涡对管内湍流换热和流阻特性进行了数值分析。
The characteristic of turbulent heat transfer and flow resistance with multi-longitudinal vortexes in tube is numerically analyzed.
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.
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.
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.
结果发现在冲击面附近的射流横截面上，伴随着两个反向旋转涡对的出现，形成了主流速度的两个偏心峰值。
It has been found that at the jet flow cross-section near the impingement surface accompanied by the appearance of two counter-rotating vortex pairs there emerge two eccentric peak values.
在估算紧密编队飞行中长机翼尖涡对僚机的影响时，本文在所用到涡模型中也考虑了由空气粘性引起的涡流随时间的衰减效应。
We also consider the effect of vortex decay over time caused by the viscidity of atmosphere in our vortex model in estimating the vortex effect experienced during the close proximity formation flight.
通过节段的静力和弹簧悬挂动力试验，对H型吊杆的驰振和涡激振动性能进行分析。
On the basis of static aerodynamic force tests and dynamic response tests, the galloping and (vortex-induced) oscillation performances of H-shaped booms were investigated.
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。
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).
在了解原型发动机数学模型和控制规律的基础上，对涡轴发动机加速过程的最优控制问题进行了研究。
Based on the engine mathematical model and engine control law, the optimal control for turbo shaft engine acceleration is investigated.
在考虑瞬态过程中动量扩散速度基础上，用拉普拉斯变换法对无限长平板突然起动瞬态动量定解方程进行了求解，并按涡量定义求出涡量分布函数。
Based on the limited momentum propagation velocity, this paper presents the solution of the transient momentum equation by Laplace transform. The distribution functions of velocity and eddy are given.
测试系统采用PC计算机、电涡传感器，声卡，建立了乳化液泵振动信号的信号采集系统并对测点的安放进行了说明。
With PC, eddy current sensor and sound card, a vibration signal collecting system was designed. Laying position of the sensor was explained.
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.
采用离散涡方法对平面射流流场进行了数值模拟。
The flow field of planar jet is simulated by discrete vortex method.
计算结果表明，神经网络模型能够准确预测桨叶负扭度对直升机涡环状态的影响。
The result shows that the model of neural network can predict the effect of blade negative-twist on helicopter vortex-ring state.
用拟谱方法对混合层四涡合并的规律进行了数值研究。
The merging of four vortices in mixing layers are simulated numerically with the pseudo spectral method.
通过对比分析对由于西南涡而产生的重庆区域性暴雨有了更进一步的认识。
To the Chongqing regional rainstorm had the further understanding through the contrast analysis as a result of the southwest vortex.
研究了自由涡射流对透射激光产生的气动透镜效应，给出了计算结果。
The aerodynamic lens effect of laser beam through aerodynamic window is investigated and the conclusion is provided.
采用大涡模拟方法对一条双机双桨船舶机舱火灾进行数值模拟。
In this paper, the large eddy simulation method is used to simulate fire in a ship engine-room.
为此，搭建了微机并行计算平台，解决了大涡模拟对计算资源要求；
Therefore, the paper establishes the parallel computing platform and meets the demand of computing resources for large eddy simulation.
在发动机台架上对微型涡喷发动机进行的起动过程控制和转速闭环调节试验表明，该控制软件在时间精度和可靠性方面能够满足发动机控制的要求。
Engine tests of starting procedure control and rotation speed in closed loop have proven that the time precision and reliability of this software meet the demands of engine control system well.
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.
应用紊流大涡模拟方法对建筑物环境风场进行了数值模拟。
The large eddy simulation approach is applied to airflow field around buildings.
对某型涡喷发动机节流过程中压气机的气动不稳定问题进行了分析研究。
The compressor's aerodynamic instability problem of a certain turbojet engine in the process of the throttling operation was experimentally studied.
张力腿平台的垂荡引起张力周期性变化，对张力腿的涡激横向振动起参数激励的作用，使其动力响应更为复杂。
Periodical variations of tether's tension caused by heaving oscillation of TLP play the role of a parametric exciter to vortex-induced vibration, and make it more complicated.
对某涡喷发动机压气机的气动失稳过程进行了相关积分分析。
The process of loosing compressor aerodynamic stability in a turbojet engine was analyzed using the correlation integral method.
直升机涡环状态边界的确定对直升机飞行安全具有重要意义。
To predict helicopter vortex ring state boundary is necessary for flight safety.
一些学者已通过平流层和对流层耦合机制的研究探索极涡变化对低层环流的作用。
The mechanisms coupling the stratosphere and troposphere have been studied by some scientists for understanding the effect of the polar vortex change on the lower circulation.
本文采用双流体大涡紊流模型对静水中泥沙云团下落过程进行了研究。
Two-fluid large eddy turbulence model is applied to research the movement of the sand clouds in quiescent water.
本文采用双流体大涡紊流模型对静水中泥沙云团下落过程进行了研究。
Two-fluid large eddy turbulence model is applied to research the movement of the sand clouds in quiescent water.
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