File:Cx de la sphère selon le Reynolds.png
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Summary
[edit]DescriptionCx de la sphère selon le Reynolds.png |
Français : Cx de la sphère selon le Nombre de Reynolds (Reynolds basé sur le diamètre).
Le Cx est ici défini comme le quotient de la traînée par la Pression Dynamique de l'écoulement et la surface frontale de la sphère. La droite de la courbe met en lumière "la crise du Cx de la sphère" : il y a bien une brusque chute du Cx pour une faible augmentation du Reynolds. A gauche, pour les très faibles Reynolds, la courbe du Cx vient tangenter à la droite bleue, représentative du régime de Stokes. Cette courbe du Cx a été tracée d'après les équations analytico-empiriques de Clift, Grace et Weber, équations qui dressent le bilan des mesures de traînée de sphères en souffleries, en chute "aérienne" ou en décantation dans divers fluides . |
Date | |
Source | Own work |
Author | Bernard de Go Mars |
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Annotations InfoField | This image is annotated: View the annotations at Commons |
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 09:30, 24 June 2014 | 1,212 × 749 (64 KB) | Bernard de Go Mars (talk | contribs) | User created page with UploadWizard |
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File usage on Commons
The following 10 pages use this file:
- File:CX SPHERE.png
- File:Coefficient de traînée de trois sphères, Eiffel 1912.png
- File:Cx de la sphère selon le Reynolds.png
- File:Drag coefficient of a sphere as a function of Reynolds number.png
- File:Drag coefficient on a sphere vs. Reynolds number - main trends-ru.svg
- File:Drag coefficient on a sphere vs. Reynolds number - main trends.svg
- File:Drag sphere nasa.svg
- File:Dragsphere nasa.jpg
- File:Smooth sphere drag coefficient.svg
- Template:Other versions/Drag coefficient on a sphere vs. Reynolds number
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Horizontal resolution | 37.79 dpc |
Vertical resolution | 37.79 dpc |
File change date and time | 09:23, 24 June 2014 |
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