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Connection between rear-end extensions and yaw response of a passenger vehicle

机译：乘用车后端延伸与偏航响应之间的连接

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This paper aims to investigate the sensitivity of the rear-end design to the yaw response of a passenger vehicle. To accomplish this, rear-end extensions are attached to the base perimeter of a sport utility vehicle (SUV). The intention of the extensions is to improve and to smooth out the pressure recovery such that a more stable wake is created. The extensions facilitate the implementation of configuration changes with respect to design, inclination angle and length. To control the separation conditions of the flow entering the near-wake, two different designs are studied. The yaw response is analysed through the global forces and flow field measurements presented as surface pressure distributions and wake plane measurements of local drag. The results show that the rear-end can be designed as to control the yaw response so the aerodynamic drag is minimised and passenger vehicle stability is maintained.
机译：本文旨在研究后端设计对乘用车的偏航响应的灵敏度。 为了实现这一点，后端延伸部附着在运动型多功能车辆（SUV）的基部周边附接。 延伸的意图是改进并平滑压力恢复，使得创造更稳定的苏醒。 扩展有助于实现配置，倾斜角度和长度的配置改变。 为了控制进入近似尾尾的流量的分离条件，研究了两种不同的设计。 通过作为表面压力分布的全球力和流场测量来分析偏航响应和局部压力的唤醒平面测量。 结果表明，后端可以设计为控制偏航响应，因此最小化空气动力学阻力，保持乘用车稳定性。

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