Free stream Mach number range is 1.6 to 8, and altitude range is on-the-deck to 175kft. CFD predictions show that at a fixed altitude Power-On -Power-Off differences decrease with increasing Mach number. Predictions also indicate that in general axial force coefficient for Power-On is less...
By definition, at Mach 1, the local flow velocityuis equal to the speed of sound. At Mach 0.65,uis 65% of the speed of sound (subsonic), and, at Mach 1.35,uis 35% faster than the speed of sound (supersonic). Pilots of high-altitudeaerospacevehicles use flight Mach number to express...
利用一个核心加热器，可以有效地避免空气成分在较高马赫数时发生冷凝。The dynamic performance of a ram air system will vary with mach number and altitude and this tends to follow the aerodynamic characteristics of the missile .像导弹空气动力特性一样，冲压空气式系统的动态特性随马赫数和...
If the mach number is >> 1, the flow speed is much higher than the speed of sound - and the speed is hypersonic. Example - Calculating an Aircraft Mach Number An aircraft flies at speed 500 mph at an altitude of 35000 ft. The surrounding temperature is -60 oF. The speed of sound ...
“for defining the minimizing equivalent area distribution based on flight Mach number and altitude, and the aircraft’s length and weight.” In other words, it was not only possible to mitigate an aircraft’s sonic boom by altering its shape, you could also use a mathematical model to ...
With the target appearance and flight Mach number and altitude related 翻译结果5复制译文编辑译文朗读译文返回顶部 With goal contour, flight Mach number and flight altitude related 相关内容 a台秤名字 Platform scale name[translate] a我亲爱的小兔兔,你告诉我应该咋么办? Does my dear small rabbit rabbit...
Mach number The influence of thecompressibilityis represented byMach number,Ma, defined as: (3.174)Ma=UUs, whereUis the representative flow velocity andUsis the sound speed. As described inEq. (3.174),Mach numberis a nondimensional number which indicates the ratio of flow velocity to sound speed...
5. The dynamic performance of a ram air system will vary with mach number and altitude and this tends to follow the aerodynamic characteristics of the missile .像导弹空气动力特性一样,冲压空气式系统的动态特性随马赫数和高度的变化而变化。 6. This fusion phenomena is called the " mach effect ....
Fig. 1. Mach number in transonic airflow around an airfoil; M<1 (a) and M>1 (b).When an aircraft exceeds Mach 1 (i.e. the sound barrier) a large pressure difference is created just in front of the aircraft. This abrupt pressure difference, called a shock wave, spreads backward and...
Mach number is used to classify the flow regimes based on the effects of compressibility and shock waves on the flow.How to Convert MachTo convert mach to other units of speed, we need to multiply by the local speed of sound in the medium, which depends on the temperature and pressure ...