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- The wave drag coefficient also increases with increasing upswept angle at transonic speed. 在跨音速时,波阻系数也与上翘角有关,上翘角增加会导致波阻系数进一步加大。
- Calculation of thickness wave drag coefficient for hypervelocity sweepback space debris 超高速后掠飞片的厚度波阻系数计算
- thickness wave drag coefficient 厚度波阻系数
- wave drag coefficient 波阻系数
- Ratio of lift coefficient to drag coefficient. 升力系数与阻力系数的比值。
- The drag coefficient varies with the shape of the object. 拖曳系数随物体的形状而异。
- An Analytical Model of Mountain Wave Drag for Wind Profiles with Shear and Curvature. 有切变和曲率风廓线的山地波阻力的分析模式。
- In many cases an overall drag coefficient is given so that the net force on the surface can be determined. 在许多情况下,总的拖曳系数是已知的,因而可以确定作用于表面上的净力值。
- The wave drag increases with increasing upsweep angles and decreases with increasing flatness of the aftbody. 上翘 角增大,后体激波阻力增加;后体越扁平,后体激波阻力略有减小。
- The lift and drag coefficient of flapping-wing MAV in different motion modes are calculated. 计算了扑翼微飞行器在不同运动模态下的升阻力系数;
- The friction drag coefficient increases with increasing afterbody fineness ratio and decreasing Reynolds Number. 后体摩擦阻力系数分别随后体的长细比的增加和雷诺数的减小而增加;
- Canard wing increases lift coefficient with the penalty of the increase of drag coefficient. 低于主机翼的鸭翼将加强前掠翼布局的缓失速特性。
- In transonic flow, a simple empirical formulation is given to predict the wave drag of upswept aftbody, which extends the usable range of Mach number. 在跨音速范围,给出了一种简 单的上翘后体波阻的估算方法,拓宽了马赫数的适用范围。
- Such parameters of flow characteristics are investigated as lift and drag coefficient and vortex shedding frequencies. 计算了圆柱的升阻力系数、尾涡脱落+频率等描述绕流问题的主要参量。
- Cavity length depth ratio strongly influences flow field、total pressure recovery、drag coefficient. 凹腔长深比对流场特性、总压恢复、燃烧室阻力影响显著。
- The results also show that both gravity wave drag and envelope orography have smaller influence on model results in the beginning of simulation, but greater in the later stage. 不论是地形重力波拖曳还是包络地形,在模式积分的初期,它们的作用并不明显,随着积分时间的增长,它们对模拟结果的影响程度增大。
- Smoother vehicles may have drag coefficients of the order of 0.55. 光滑飞行器的阻力系数可能为0.;55量级。
- As the tradition method can only estimate the addition of wave drag from subsonic to supersonic, and can not calculate the change of drag when Mach number increases. 由于传统的工程计算方法只能估算旋成体从亚音速到低超音速的波阻增加量,不能计算阻力随马赫数增加而引起的变化。
- The aerodynamic drag coefficient of a bus body model is measured in the wind tunnel with the acoustic excitation technique applied. 本文利用内部声激励技术,在风洞中对某厢式客车车身模型进行空气阻力系数的测试。
- Ben designed the fairing shell to have a drag coefficient that would allow me to achieve at least 50 kph on less than 130 watts of power. 本设计的整流罩外壳有阻力系数,使我实现至少50公里不到130瓦的功率。