The results indicate that the preconditioned adjoint equation method can solve the low Mach number aerodynamic inverse design efficiently.
计算结果表明所发展的方法可很好地用于低马赫数时的气动反问题设计。
参考来源 - 低速叶型气动反问题设计方法The aviation bomb is flying in the high density atmosphere layer. Its fight Mach number is generally 0.9.
航弹主要是在稠密的大气层中飞行,巡航马赫数一般在0.9附近。
参考来源 - 某型号制导航弹气动外形设计及机弹分离气动特性研究·2,447,543篇论文数据,部分数据来源于NoteExpress
N the ratio of the speed of a body in a particular medium to the speed of sound in that medium. Mach number 1 corresponds to the speed of sound 马赫数; 在特殊媒介中的物体对在此媒介中声速之比率,马赫数1相当于声速 (Often shortened to Mach)
It shows the indicated airspeed and the Mach number.
它显示了飞行速度和马赫数。
The hot air permitted higher speeds before the critical Mach number was exceeded.
热空气可使之在超过临界马赫数之前达到更快的速度。
A power correlation between expansion ratio and Mach number at the nozzle outlet was found.
并给出了膨胀比与喷嘴出口马赫数之间的幂指数关系。
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