TRANSONIC
Transonic
In aeronautics, transonic refers to the condition of flight in which a range of velocities of airflow exist surrounding and flowing past an air vehicle or an airfoil that are concurrently below, at, and above the speed of sound in the range of Mach 0.8 to 1.0, i.e. 600–768 mph . This condition depends not only on the travel speed of the craft, but also on the temperature of the airflow in the vehicle's local environment. It is formally defined as the range of speeds between the critical Mach number, when some parts of the airflow over an air vehicle or airfoil are supersonic, and a higher speed, typically near Mach 1.2, when the vast majority of the airflow is ...The above text is a snippet from Wikipedia: Transonic
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transonic
Adjective
- just below, or just above the speed of sound (0.8 < Ma < 1.2 approximately)
- passing from subsonic to supersonic, or vice versa
The above text is a snippet from Wiktionary: transonic
and as such is available under the Creative Commons Attribution/Share-Alike License.