File:Cpq et Cx de corps 2D à avant arrondi, d'après Hoerner.png
Cpq_et_Cx_de_corps_2D_à_avant_arrondi,_d'après_Hoerner.png (640 × 261 pixels, file size: 10 KB, MIME type: image/png)
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Summary[edit]
DescriptionCpq et Cx de corps 2D à avant arrondi, d'après Hoerner.png |
Français : Cpq et Cx de corps 2D à avant arrondi, d'après Hoerner
English: Cpq and Cx of 2D bodies with rounded front, according to Hoerner |
Date | |
Source | Own work |
Author | Bernard de Go Mars |
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Annotations InfoField | This image is annotated: View the annotations at Commons |
Ce corps montre un élancement L/h de 1,5.
Ce corps montre un élancement L/h de 2,5.
Ces corps 2D ont été testés entre parois.
Ces trois corps sont présentés par Hoerner dans la figure 63, p. 65 de la VF de son ouvrage Drag.
Prenant acte du fait que, pour les deux corps de droite, le est plus fort (en valeur absolue) que le , Hoerner commente :
"Il faut donc conclure que la traînée de la partie avant [de ces corps] est plutôt négative."
Par partie avant Hoerner veut signifier ici le bord d'attaque hémicylindrique et le corps médian formé des deux faces parallèles supérieure et inférieure (lesdites faces parallèles ne pouvant produire qu'une traînée de friction).
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current | 10:03, 12 December 2021 | 640 × 261 (10 KB) | Bernard de Go Mars (talk | contribs) | Uploaded own work with UploadWizard |
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Horizontal resolution | 37.79 dpc |
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Vertical resolution | 37.79 dpc |