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File:Schlieren photograph of T-38 shock waves.jpg

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Summary

Description
English: Schlieren photography (from the German word for "streaks") allows the visualization of density changes, and therefore shock waves, in fluid flow. Schlieren techniques have been used for decades in laboratory wind tunnels to visualize supersonic flow about model aircraft, but not full scale aircraft until the 1990s. Dr. Leonard Weinstein of NASA Langley Research Center developed the first Schlieren camera, which he calls SAF (Schlieren for Aircraft in Flight), that can photograph the shock waves of a full-sized aircraft in flight. He successfully took a picture which clearly shows the shock waves about a T-38 Talon aircraft on December 13, 1993 at Wallops Island. The camera was then brought to the NASA Dryden Flight Research Center because of the high number of supersonic flights there.
Date
Source https://www.nasa.gov/centers/dryden/multimedia/imagegallery/Schlieren/EC94-42528-1.html
Author Leonard Weinstein / NASA
Other versions
A different technique used by NASA to photograph the same phenomenon 21 years later

Licensing

Public domain This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.)
Warnings:
This image or video was catalogued by Langley Research Center of the United States National Aeronautics and Space Administration (NASA) under Photo ID: EC94-42528-1.

This tag does not indicate the copyright status of the attached work. A normal copyright tag is still required. See Commons:Licensing.
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13 December 1993

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Date/TimeThumbnailDimensionsUserComment
current12:07, 20 April 2012Thumbnail for version as of 12:07, 20 April 20122,997 × 2,403 (4.27 MB)AriadacapoNew upload (previous was thwarted by server error)
12:08, 20 April 2012Thumbnail for version as of 12:08, 20 April 20122,997 × 2,403 (4.27 MB)AriadacapoNew upload (previous was thwarted by server error)
12:00, 20 April 2012Thumbnail for version as of 12:00, 20 April 20122,997 × 2,403 (4.27 MB)AriadacapoConverted to grayscale
12:58, 15 June 2008Thumbnail for version as of 12:58, 15 June 20082,997 × 2,403 (4.51 MB)Finavoncaption cropped
17:04, 11 October 2006Thumbnail for version as of 17:04, 11 October 20062,997 × 2,800 (4.56 MB)Uwe W.Schlieren photograph of T-38 shock waves at Mach 1.1, 13,000 feet Photo Number: EC94-42528-1 Photo Date: December 13, 1993 Formats: 513x480 JPEG Image (143 KBytes) 1096x1024 JPEG Image (678 KBytes) 2997x2800 JPEG Image (4,664 KBytes) Photo Description: Th

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