aerodynamic resistance

In the end, the effect of coefficient of aerodynamic drag, rolling resistance coefficient and efficiency of powertrain on fuel economy are analysed.

最后，分析了风阻系数、迎风面积、滚动阻力系数和传动系效率对整车燃油经济性的影响，为ISG-MHV进一步的优化设计提供了依据。

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。

At the theoretical aspect, theoretical analysis and numerical simulation are carried to the aerodynamic quality ( dynamic resistance loss) of mufflers by the analysis of the internal flow field in mufflers.

在理论方面，从阻性消声器的内部流场分析入手，对消声器的空气动力性能（即动态阻力损失）进行理论分析及数值模拟。

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

Aerodynamic resistance is proportional to the second-order of speed, and aerodynamic noise increases quickly along with the seventh-order or eighth-order of speed.

气动阻力与速度的二次方成正比，气动噪音随速度七次或八次方而急增。

The aerodynamic resistance experienced as a car travels forwards.

赛车运行时所受到的空气动力阻力.

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。

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

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。

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

In this paper, the aerodynamic resistance characteristics of STYER mail truck with different shape parameters are experimentally studied in a wind tunnel.

通过风洞试验研究了斯太尔邮政车外形结构参数变化时的气动阻力特性；

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