drag-lift coefficient的意思|示意

After aerodynamic optimization of an unmanned vehicle with the methods mentioned above, the lift coefficient has an increase of 21 % and the ratio of lift to drag has an increase of 6. 7%.

通过优化无人机外形取得了有意义的结果，优化后升力系数增加了21%，升阻比提高了6.7%。

The drag coefficient derived from filed measurement was 15 percent less than that of wind tunnel test. On the contrary Reynolds number has a minimal effect on lift force and moment coefficient.

结果表明：雷诺数对阻力系数影响较大，现场实测值比风洞试验所得值小约15％，对升力系数及力矩系数影响较小。

Also the effect of different ice shapes on lift and drag coefficient were assessed. The results indicate that the glaze ice has the most adverse impact on airfoil aerodynamic performance.

另外还计算了不同的冰形对机翼升、阻力的影响，结果表明瘤状冰对机翼气动特性的影响最大。

The change rules of aerodynamic parameters including lift coefficient, drag coefficient and pitch moment coefficient have been analyzed when Angle of attack and fuel flow rate is changed.

考虑了不同飞行攻角、不同燃料流率下气动参数，包括升力系数、阻力系数和俯仰力矩系数的变化规律。

When the ratio of height to width increases, the lift coefficient aggrandizes, and the drag coefficient diminishes.

其高宽比增加，升力系数增大，阻力系数减小。

The unique aim of aerodynamic designer is always to enhance lift coefficient and reduce drag coefficient.

增升减阻一直是空气动力设计工作者追求的目标。