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SBIR effort to enhance measurement of hypersonic wind tunnel velocities demonstrated at Tunnel 9

Pictured is an example of an image produced using the Krypton Tagging Velocimetry technique used to measure velocity in a hypersonic wind tunnel such as Arnold Engineering Development Complex Wind Tunnel 9. The single “write line” in the image is the initial fluorescence created by a laser pulse “pumped” into a wind tunnel filled with Krypton gas (~1% seeding in volume). The multiple “read lines” show the dissolution of the write line over time. (U.S. Air Force photo)

PHOTO BY: U.S. Air Force photo
VIRIN: 210512-F-F3405-0003.JPG
FULL SIZE: 0.06 MB
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This photograph is considered public domain and has been cleared for release. If you would like to republish please give the photographer appropriate credit. Further, any commercial or non-commercial use of this photograph or any other DoD image must be made in compliance with guidance found at https://www.dimoc.mil/resources/limitations, which pertains to intellectual property restrictions (e.g., copyright and trademark, including the use of official emblems, insignia, names and slogans), warnings regarding use of images of identifiable personnel, appearance of endorsement, and related matters.

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