File:Supersonic Bullet Shadowgraph.jpg
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Supersonic_Bullet_Shadowgraph.jpg (600 × 600 pixels, file size: 91 KB, MIME type: image/jpeg)
Image of a supersonic bullet created using a Shadowgraph. The V-shaped shockwaves are clearly visible; propagating from the front-most tip of the bullet is the "bow shockwave," behind which are various other shockwaves caused by the bullets driving bands -- raised bands around the bullet that form a seal with the barrels riflings. Trailing the bullet is a region of strong turbulence, which forms as air rushes in to fill the partial vacuum behind it.
Image from NASA: http://www.nasa.gov/mission_pages/galex/20070815/f.html courtesy of Andrew Davidhazy/Rochester Institute of Technology
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| Date/Time | Thumbnail | Dimensions | User | Comment | ||
|---|---|---|---|---|---|---|
| current | 21:38, 19 April 2013 | | 600 × 600 (91 KB) | Admin (Talk | contribs) | Image of a supersonic bullet created using a Shadowgraph. The V-shaped shockwaves are clearly visible; propagating from the front-most tip of the bullet is the "bow shockwave," behind which are various other shockwaves caused by the bullets dri... |
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