File:Shock wave above A320 wing (2).webm

Original file(WebM audio/video file, VP8/Vorbis, length 29 s, 1,280 × 720 pixels, 1.19 Mbps overall, file size: 4.08 MB)

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English: Shock waves are visible above the wing of an A320 family airliner during a regular flight. The shock waves appear as faint vertical "creaks" or "wrinkles" in the video, and move back and forth a few centimeters along the top surface of the wing. They are in fact changes in air density over a very narrow amount of space, causing optical refraction.
Shock waves are a normal occurrence above airliner wings, particularly during flights made at speeds in high transonic regime. They may not always be observable, depending on flight cruise, atmospheric and light conditions.
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Source Own work
Author Olivier Cleynen
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File history

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Date/TimeThumbnailDimensionsUserComment
current19:02, 30 August 201329 s, 1,280 × 720 (4.08 MB)Ariadacapo (talk | contribs)Hopefully better version, re-encoded from source file
18:16, 30 August 201329 s, 1,280 × 720 (1.96 MB)Ariadacapo (talk | contribs)User created page with UploadWizard

Transcode status

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Format Bitrate Download Status Encode time
VP9 720P 434 kbps Completed 13:03, 19 October 2018 44 s
Streaming 720p (VP9) Not ready Unknown status
VP9 480P 209 kbps Completed 13:03, 19 October 2018 30 s
Streaming 480p (VP9) Not ready Unknown status
VP9 360P 149 kbps Completed 13:02, 19 October 2018 18 s
Streaming 360p (VP9) Not ready Unknown status
VP9 240P 126 kbps Completed 13:02, 19 October 2018 14 s
Streaming 240p (VP9) 38 kbps Completed 22:47, 15 December 2023 1.0 s
WebM 360P 550 kbps Completed 19:02, 30 August 2013 31 s
Streaming 144p (MJPEG) 690 kbps Completed 13:00, 17 November 2023 2.0 s
Stereo (Opus) 86 kbps Completed 13:00, 17 November 2023 1.0 s
Stereo (MP3) 124 kbps Completed 13:00, 17 November 2023 2.0 s