File:Langevin Frame Cyl Vorticity.png
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Langevin_Frame_Cyl_Vorticity.png (400 × 400 pixels, file size: 37 KB, MIME type: image/png)
  | This image was uploaded in the PNG image format. However, it contains visible lossy compression artifacts. These artifacts may have come from the JPEG format, from saving a single colorful image as GIF instead of PNG or from saving an animated GIF using the incorrect settings (See also Dither). If possible, please provide a superior version of this file, derived from a non-lossy source (or with artifacts removed). If applicable, please replace all instances of the artifact version throughout Wikimedia projects, tag the old version with one of these templates, and remove this tag. For more information, see Commons:Preparing images for upload and Commons:Media for cleanup.
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Summary
| Description |
English: This figure illustrates the nonzero vorticity of the timelike congruence of world lines of Langevin observers, who rotate about the axis r=0 in cylindrical coordinates with angular velocity ω.
In the figure, the red curve represents the world line a fiducial Langevin observer, together with two gold light cones with three frame vectors (the fourth frame vector is inessential and has been suppressed). The blue dashed curves represent the world lines of neighboring Langevin observers, which twist about the red curve. The cyan curve shows that the spatial frame vectors are rotating to radial symmetry, so the Langevin frame is spinning as well as non-inertial. This figure was created by User:Hillman using eog to convert to png format a jpg image exported from a Maple session. |
| Date | 17 May 2006 (original upload date) |
| Source | Transferred from en.wikipedia to Commons. |
| Author | Hillman at English Wikipedia |
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{{vector version available|new image name}}.
It is recommended to name the SVG file “Langevin Frame Cyl Vorticity.svg”—then the template Vector version available (or Vva) does not need the new image name parameter. |
Licensing
Hillman at the English-language Wikipedia, the copyright holder of this work, hereby publishes it under the following license:
  
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This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license. Subject to disclaimers. | |
| Attribution: Hillman at the English-language Wikipedia | ||
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| This licensing tag was added to this file as part of the GFDL licensing update. |
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Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License. Subject to disclaimers. |
Original upload log
The original description page was here. All following user names refer to en.wikipedia.
| Date/Time | Dimensions | User | Comment |
|---|---|---|---|
| 2006-05-17 23:28 | 400×400× (37779 bytes) | Hillman | This figure illustrates the nonzero ''vorticity'' of the [[congruence (general relativity)|timelike congruence]] of [[world line]]s of ''Langevin observers'', who rotate about the axis r=0 in cylindrical coordinates with angular velocity ω. In th |
File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 14:58, 10 February 2016 | | 400 × 400 (37 KB) | wikimediacommons>Wiki LIC | Transferred from en.wikipedia |
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