不同造型跨坐式单轨车的气动性能比较

Comparison of the Aerodynamic Performance of Different Straddle-type Monorail Vehicle Head Shapes

气动力学特性在很大程度上影响着跨坐式单轨车的性能。基于数值模拟计算方法对某跨坐式单轨车原车型、新车型的气动力学特性进行模拟分析,计算得出原车型、新车型的风阻系数;并结合两种车型的外部流场结构进行了比较分析,从而验证流线型的新车造型更为合理。

The features of straddle-type monorail vehicle are affected largely by the aerodynamic characters. Based on CFD method, the aerodynamic performance on different head shapes of the original and the monorail vehicles version is simulated and analyzed. The wind drag coefficients of two head shapes of monorail vehicle are achieved, which combined two kinds of external flow field structures and proved the rationality of the streamline shape of new monorail vehicle.