A blog reader sent me an email today and wanted to share some astonishing photos of flying jets escaping the sound barrier causing the Prandtl-Glauert singularity. As much as I wanted to give him credit for this, he asked not to be named or linked.
At speeds near that of sound, the temperature and pressure variations occurring at every speed can also be exaggerated in steady level flight. The mechanism for this near-sonic exaggeration of the temperature variations is the so-called Prandtl-Glauert singularity which requires that pressure and temperature perturbations approach ± ¥ as the flight speed approaches the ambient sound speed.
More pictures with captions here, here, here and here.
I am no physicist, but these pictures are awesome. :)
[tags]jets, airplane, wings, flight, sonic speed, flying[/tags]
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