| 1. | The flat shape of a solar car can reduce aerodynamic drag
太阳能车的扁平的形状可以降低空气阻力。 |
| 2. | Adf aerodynamic drag factor
空气阻力系数 |
| 3. | " the function of the fairing is to reduce aerodynamic drag to enhance fuel efficiency
发言人续说：整流罩的作用是减低风阻以节省燃料。 |
| 4. | The analysis of aerodynamic drag data shows that air drag coefficient reaches 0 . 539
空气阻力试验数据分析表明，模型的空气阻力系数为0 . 539 。 |
| 5. | Close windows when travelling at high speed this will decrease aerodynamic drag and lower fuel consumption
高速行车时应关窗，可减低气流阻力，减少耗油量。 |
| 6. | Trailing edge of fork crown and frame down tube present a virtual continuous surface to the wind . reducing aerodynamic drag
前叉肩部的延伸边缘和车架的下管形成一个虚拟的连续迎风面，从而有效地减少风阻。 |
| 7. | Motor vehicles need energy to accelerate ( overcome inertia ) , to push the air out of their way ( aerodynamic drag ) , and to overcome the friction from tires , wheels and axles ( rolling resistance )
带发动机的车辆需要能量进行加速(克服惯性阻力) ，推开路上的空气(空气动力学拖曳力) ，并克服轮胎、车轮和车轴的摩擦力(滚动阻力) 。 |
| 8. | The 3d turbulent flow fields around high - speed trains of four kinds of model uain have been calculated by 3d parallel compute program coded with the algorithms presented in this thesis . from the calculation results , the aerodynamic drag of different types of model trains are obtained , some characteristics of the flow field over the high - speed train are analyzed preliminarily such as pressure distribution and diversification , velocity distribution and diversification , and the affections of different train head shape to pressure . velocity , pressure gradient and the like
用三维并行计算程序模拟了四种不同高速列车车型的外流场，获得了不同车型的运行阻力；详细分析了列车附近流场的压力分布及其变化情况，讨论了列车头型对列车通过时产生的压力波动的影响；分析了四种车型外部流场的速度分布规律及其变化情况，分析了列车头部形状对它们的影响。 |
