Numerical Research on Aerodynamic Characteristics of Lane-changed Overtaking Cars Based on Overlapping Grid

机译：基于重叠网格的车道改变超车空气动力学特性的数值研究

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The flow field of two cars was simulated numerically in the CFD commercial software of Cradle through computer when lane-changed overtaking based on the overlapping grid and the k-co SST Turbulence model, and then the aerodynamic characteristics of two cars were obtained. By comparison and analyses of the coefficients of side force and yawing moment and as well the flow field around two cars while two cars' relative positions varied, the flow mechanism and law of interference each other were investigated. The simulation results and the relevant conclusions not only can provide the theoretical foundation for the research of transient overtaking, but also provide the reference data for the Intelligent Drive System and can give a practical guidance for the driver as well.

机译：当基于重叠电网和K-CO SST湍流模型的车道改变的超车时，两辆汽车的流场在数量上模拟了通过计算机的CFD商业软件，然后获得两辆汽车的空气动力学特性。通过比较和分析侧力和偏逝时刻的系数，以及两辆车围绕两辆车的流场变化，彼此的流动机制和干扰规律。仿真结果和相关结论不仅可以为瞬态超车的研究提供理论基础，而且还为智能驱动系统提供参考数据，也可以为驾驶员提供实际的指导。

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来源
《International conference on industrial design and mechanical power》|2012年||共5页
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作者
Hu Xingjun; Liao Lei; Wang Jingyu; Zhang Zhi; Ren Fengtao;
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中图分类工程设计与测绘;
关键词
aerodynamics of road vehicle; lane-changed overtaking; overlapping grid; aerodynamic characteristics; computer simulation;

机译：公路车辆的空气动力学;车道改变超车;重叠网格;空气动力学特性;计算机模拟;

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Numerical Research on Aerodynamic Characteristics of Lane-changed Overtaking Cars Based on Overlapping Grid

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