aerodynamic surface

The aerodynamic forces on any control surface produce a moment about the hinge.

在任何操纵面上的空气动力均产生围绕其铰链轴的力矩.

Calculations and analyses are made on surface pressure, velocity distribution as well as aerodynamic resistance, using Computational Fluids Dynamics software CFX, 3D viscous incompressible Reynolds averaged Navier stokes equations and turbulence model k ε double equation.

运用流体动力学数值计算软件CFX，采用三维粘性不可压缩雷诺平均应力方程和k-ε双方程湍流模型，对200km/h电动旅客列车进行了表面压力、速度分布及空气阻力的计算分析。

Aerodynamic Design by Jointly Applying S2 Flow Surface Calculation and Modern Optimization Methods on Multistage Turbine

联合应用现代优化方法与S2流面计算进行多级涡轮的气动设计

This showed that the researches of the freezing process and the impacts of the shap changes in ice surface on the aerodynamic characteristics of the wings were very important.

由此可见，研究翼面的结冰过程和结冰后翼面外形变化对机翼气动特性的影响十分重要。

The concept "aerodynamic roughness length" defined by Bagnold is an important parameter for wind erosion research. It has been widely applied in sand bed, vegetation conditions, snow bed and water surface.

由Bagnold提出的空气动力学粗糙度概念，是描述各种表面空气动力学特征的重要参数，已被广泛应用于沙面、植被覆盖表面、雪面、水面等。