汽车空气动力学

借鉴目前在汽车空气动力学方面的研究经验，总结摩托车空气动力学研究内容、评价方法、研究手段。

According to the experience of automobile aerodynamics , we concluded the research content , evaluation method and the means of working .

CFD在汽车空气动力学研究中的应用

Application of CFD Methods in Auto Aerodynamics Research

汽车空气动力学与车身造型研究最新进展

The Latest Progress in Research of Automobile Aerodynamicist and Coachbuilding

这些问题的有效解决都离不开汽车空气动力学的研究。

Effective solution to these problems cannot leave the research of vehicle aerodynamics .

地面效应是汽车空气动力学研究的主要难点之一。

The ground effect is one of the main difficulties in road vehicle aerodynamics .

另外，由于汽车空气动力学与汽车节能、安全和排放密切相关，并对汽车动力性、经济性和操稳性有直接的影响，因此汽车设计与汽车空气动力性也密不可分。

Moreover , because of the automobile aerodynamic and automobile energy , safety and exhaust have closely related , and have direct influence on them .

本文首先介绍了汽车空气动力学特性对汽车的各方面性能的影响以及汽车流场的特征。

In this paper , firstly , the aerodynamics influence on the performances of the car and the characters of the airflow around car-bodies are introduced .

随着高等级公路的快速发展和燃油价格的不断上涨，商用汽车空气动力学性能越来越受到人们重视。

With the development of the highway and the price of the fuel oil being higher , the aerodynamics performance of commercial vehicles has attracted more and more attention .

提出一种在非均匀参数空间上生成表面数值网格的方法，开发了相应的表面网格生成软件SGRID，并应用于汽车空气动力学计算机仿真中具有复杂几何外形的车身表面网格生成。

A method based on a non uniform parameter space is presented for surface numerical grid generation on any curvilinear surface . The corresponding software is developed and used successfully in the surface grid generation of automotive body with complex geometric configuration in the automobile aerodynamic computer simulation .

本文阐述了汽车空气动力学特性研究的背景和意义，以及进行空气动力学模拟研究的发展和应用现状，研究了汽车外流场数值模拟的理论基础。

The background and the meaning of automobile aerodynamics were introduced firstly by this thesis , and it can be concluded that Computational Fluid Dynamics ( CFD ) analysis is an important method in automobile aerodynamics research . The theory basic of the car external flow field was studied .

汽车的空气动力学特性是汽车高速、安全行驶的前提。

The aerodynamic stability in cars is the premise of high-speed , safe driving .

汽车的空气动力学方案；设计简洁而别致的家具。

The aerodynamic design of an automobile ; furniture of simple but elegant design .

在其他种类的赛车比赛中，我们看到过壮观的后空翻式车祸，这就是汽车的空气动力学特性并没有像预想的那样发挥作用的后果。

Other branches of auto racing have seenspectacular backflip crashes when the aerodynamics don 't work out as planned .

旋翼式飞行汽车的空气动力学特性对其动力性和燃油经济性有直接的影响，尤其是车身和桨毂产生的气动力。

The aerodynamics performance of rotor car have direct effects on the power performance and fuel economy , especially the body and the hub .

半挂汽车列车的空气动力学分析

Aerodynamic Analysis of Tractor - Semitrailer Combinations

结合作者进行的汽车造型概念设计，介绍了应用虚拟风洞进行汽车空气动力学数值模拟的研究过程。

In order to adapt to new modern car styling , the aerodynamic numerical simulations based on computational fluid dynamics ( CFD ) are applied to the process of car styling .

根据数值网格生成的基础理论，对方程进行详细的推导，从而提出基于椭圆型方程生成汽车三维流场气动网格的方法，为汽车流场的空气动力学分析提供了CFD网格。

The paper bases on the theory of numerical grid generation and discusses the equation , then induces the method of aerodynamic grid in automotive 3 D flow field which can provide the CFD grid for aerodynamic analysis of automotive outer flow field .

综述了汽车仿真技术中的几个关键力学问题，即疲劳寿命分析、系统动力学分析、NVH分析、碰撞模拟和乘员保护、汽车外流场空气动力学分析的研究内容、分析方法、现状及发展趋势。

Some key mechanics questions in auto simulation are summarized . That is analysis on system dynamics , NVH analysis , collision simulation and occupant protection , study content , analytical method , current status and development trend of air dynamics analysis in auto external flow field etc.