Physics Asked on April 14, 2021
In learning about aerodynamics for aviation, it has struck me to what extend it is based on a variety of assumptions and presentations, that may one day have served to create a notion of what happens, but don’t really clarify the origin of processes such as airlift, drag, turbulence or compressability.
Also are things seemingly missing that one would logically expect to be part of aerodynamics.
What is particularly missing are the physics of sound and turbulence, sound undoubtedly being a dynamic component of what happens in air and turbulence being considerably less useless and unpredictable than its given credit for.
Is there a version of aerodynamic rules in which the entire physics of sound is integrated?
Yes. The physics of sound wave propagation in air is explicitly included in trans-sonic and supersonic aerodynamics. The relative importance of sonic effects in aerodynamics is indicated by the so-called Mach number which is the ratio of the vehicle velocity to the local speed of sound; for values of the Mach number equal to ~1, the analysis must include what are called compressibility effects.
Answered by niels nielsen on April 14, 2021
The field of aeroacoustics concerns the propogation of sound waves.
Answered by Nick on April 14, 2021
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