A. 初始抖振速度(Initial buffet speed)是指当气流分离开始引起飞机振动的速度,通常出现在临界马赫数之后,因此不是最高无超音速流的速度。B. 临界马赫数(Critical Mach number)是飞行速度达到使机翼某点局部气流首次达到音速时的马赫数,此时整体飞行速度仍低于音速,机翼上未出现超音速流,故此速度为理论上的最高限制。C. ...
What is the highest speed possible with out supersonic flow over the wing?A. critica mach No.;B. initial suffer speed;C. transonic index 相关知识点: 试题来源: 解析 A. critica mach No.; 题目询问在没有超音速气流流过机翼时的最高速度对应的选项。关键点在于:临界马赫数(Critical Mach Number)是...
The speeds of ten particles are ( in m/s) 6.00, 5.00, 8.00, 10.0, 10.0, 14.0, 14.0, 18.0, and 20.0 m/s (i) What is the average speed, (ii) What is the rms speed and (iii) What is the most probable speed of the particles? View Solution A passenger train takes 3 hours less...
From supersonic speed to a bus _ what a Concorde flight!
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What is the speed of light in miles per hour? An object travelling at 10 m/s accelerates at 10 m/s^2 for 8 s. What is the final velocity of the object and how far does it travel during the 8 s? A cheetah can accelerate from rest to a speed of 26.0 m / s in 4.25 s. What...
A sonic boom is the sound made by the shock wave produced by an object exceeding the speed of sound. This sound is commonly said to resemble the... Learn more about this topic: Doppler Effect | Definition, Causes & Examples from
Next Gen Stats Insight for Bengals-Chargers (via NFL Pro): Justin Herbert reached a max speed of 20.5 mph on his 30-yard scramble in the first half, which is his second-fastest speed as a ball carrier during his career and the third-fastest speed this year by a quarterback. NFL Resear...