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- shock wave drag 波阻,激波阻力
- The drag of aftbody keeps constant in low subsonic flow, but increases in transonic flow due to the shock wave. 在低亚音速范围,后 体阻力基本不变化,随着马赫数增加至跨音速,出现激波阻力。
- A roughly spherical, expanding shock wave is visible in X-rays. 利用X光波段,可以观测到一个大致上呈现球形膨胀的震波。
- This would produce shock wave owing to splice of compress wave. 随着激光的持续辐照,陆续传入靶内的压缩波会形成一个阵面陡峭的激波。
- Meanwhile, the spectrum is also related to the shock wave velocity. 光谱的结构特征也依赖于激波的速度。
- The dust re-radiates the shock wave's energy as infrared light. 尘埃在红外波段重新发射着激波的能量。
- Scientists are now studying how the shock wave was formed. 科学家正在研究这种冲击波是如何形成的。
- 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。
- 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。
- Shock waves of revolution shattered the government. 革命的冲击波使政府垮了台
- 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。
- Hence disturbances tend to grow, giving rise to the formation of a shock wave. 因此,扰动就趋于增强而引起冲击波的形成。
- The peculiarities of shock wave induced chemical reactions were discussed. 文中简单介绍了冲击波引起的化学反应的某些特点。
- 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。
- As soon as news of the tragedy was announced, shock waves spread rapidly to all parts of the country. 这可悲的消息一发表,震憾人心的冲击波迅速传遍全国各地。
- This oblique configuration redistributes the shock waves that pile up in front of a plane at Mach speeds and cause drag. 这种倾斜的外形把超音速飞行时集中在飞机前部并形成阻力的冲击波重新分布。
- 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。
- 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 murder sent shock waves through the whole community. 凶杀案震惊了整个社区。
- Stomp. Shock waves in the ground knock your foes prone. 重踏术:沿地面传播的冲击波击倒你的对手。