The effect of the Crack on the Aerocrete Surface on Structure Performance

The structure is susceptible to wind and easily leading to aerodynamic instability, galloping.

由于结构与风力的气动耦合作用，结构易产生一种失稳式振动，即驰振。

With the development of material and construction technology, by using new structural design method the aerodynamic instability of structures could be avoided.

伴随着材料和施工工艺的发展，新的桥梁结构设计方法已经基本可以避免结构气动失稳的发生。

Time domain method of aerodynamic instability on large-span roof structures with cables and membranes

大跨索膜结构空气动力失稳的时程分析法

Research for a Rapid Detection Method of the Aerodynamic Instability Inception of a Compressor

压气机气动失稳先兆检测快速算法的研究

Experimental investigation on aerodynamic instability of axial flow engine

某型轴流发动机气动不稳定试验

Research on Aerodynamic Instability of Cable-dome Structure Considering Transformation of Structure

考虑索穹顶结构构形变化的空气动力失稳分析

Application of Probability Density Function Analysis in the Monitoring of Engine Aerodynamic Instability Precursor

概率密度函数分析监测发动机气动不稳定征兆

Control Instability and Aim Target with External Force Wind-induced aerodynamic instability for closed membrane roofs

利用外力法进行失稳控制与目标瞄准封闭薄膜屋盖的风致气动力失稳分析

Study on Dynamic Analysis and Wind-Induced Aerodynamic Instability for Membrane Structures

薄膜结构的动力分析和风致气动力失稳研究

The research on MU aerodynamics plays an important role on reducing aerodynamic resistance, enhancing aerodynamic performance, saving energy and saving transportation cost.

动车组空气动力学的研究对于降低动车组的气动阻力、提高它的气动性能、节省动力能源、降低运输成本都具有极其重要的作用。

The aerodynamic resistance is modeled based on the free molecular flow theory. The effective area is calculated using the collection theory.

应用自由分子流理论建立气动阻力的模型，并利用集合理论计算气动阻力在空间站各组件上的有效作用面积。

Wind tunnel tests aimed at improving the aerodynamic resistance characteristics of the Steyr van body truck

改善STEYR系列厢式货车气动阻力特性的风洞试验研究

It is now common practice to test scale models of bridges in wind tunnels for aerodynamic resistance.

现在的通常作法是按比例缩小的桥梁模型放在风洞里检测它们的空气动力抵抗力。

Measurements of the Aerodynamic Resistance Study on Aerodynamic Sealant

空气动力学阻抗的测量研究

Relationship between Shape Parameters and Aerodynamic Resistance Characteristics of STYER Mail Truck

斯太尔邮政车外形结构参数和气动阻力特性关系的研究

Experimental Study on Reducing Aerodynamic Resistance of Vans with Cover in a Wind Tunnel

厢式货车导流罩减阻节能的风洞实验研究

To reduce the aerodynamic resistance coefficient is one of the effective way to save energy.

汽车节能的主要途径是降低气动阻力系数。

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。

Aerodynamical parameters in longitudinal model of a certain type of helicopter are identified in the paper.

直升机气动参数辨识是气动参数辨识研究的热点和难点之一。本文主要进行了某型直升机纵向模型的气动参数辨识研究。

Determination of Parameters of Aerodynamical Rice Seedling Throwing Device

气力式水稻抛秧装置参数的确定