Différences
Ci-dessous, les différences entre deux révisions de la page.
Les deux révisions précédentes Révision précédente Prochaine révision | Révision précédente | ||
public:modeles:rotor_04:accueil [2024/07/24 16:52] – [Diagramme de Campbell] rafaelbarraud | public:modeles:rotor_04:accueil [2024/08/05 15:45] (Version actuelle) – [Natural frequencies] rafaelbarraud | ||
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Ligne 62: | Ligne 62: | ||
^ aspect ratio | [-] | 3 | | ^ aspect ratio | [-] | 3 | | ||
^ number of blades | ^ number of blades | ||
- | ^ rotative | + | ^ nominal rotation |
==== Material properties | ==== Material properties | ||
Ligne 102: | Ligne 102: | ||
^ Mode ^ Type ^ Natural angular frequency (rad/ | ^ Mode ^ Type ^ Natural angular frequency (rad/ | ||
- | | 1 | 1B | 1678.08 | + | | 1 | 1B | 1678.08 |
| 2 | 2B | 6508.62 | | 2 | 2B | 6508.62 | ||
| 3 | 1T | 8874.56 | | 3 | 1T | 8874.56 | ||
+ | ====Campbell diagram==== | ||
+ | Evolution of the natural frequencies of the first 3 vibration modes, as a function of rotation speed, for the mesh computed with OpenMCAD[(cite: | ||
+ | |||
+ | {{ : | ||
+ | < | ||
+ | |||
+ | * {{ : | ||
+ | * {{ : | ||
Ligne 123: | Ligne 131: | ||
^ Mode ^ Type ^ Natural angular frequency (rad/ | ^ Mode ^ Type ^ Natural angular frequency (rad/ | ||
- | | 1 | 1B | 1682.55 | + | | 1 | 1B | 1682.55 |
| 2 | 2B | 6515.28 | | 2 | 2B | 6515.28 | ||
| 3 | 1T | 8895.29 | | 3 | 1T | 8895.29 | ||
Ligne 135: | Ligne 143: | ||
| 3 | 1T | 8897.12 | | 3 | 1T | 8897.12 | ||
+ | |||
+ | ====Campbell diagram==== | ||
+ | Comparison of the evolution of the natural frequencies of the first 3 vibration modes, as a function of rotation speed for the initial and the reference blade: | ||
+ | |||
+ | {{ : | ||
+ | |||
+ | |||
+ | < | ||
+ | |||
+ | initial blade (orange), reference blade (gray) </ | ||
+ | |||
+ | * {{ : | ||
+ | * {{ : | ||
</ | </ | ||
Ligne 192: | Ligne 213: | ||
^ allongement | ^ allongement | ||
^ nombre d' | ^ nombre d' | ||
- | ^ vitesse de rotation | + | ^ vitesse de rotation |
Ligne 232: | Ligne 253: | ||
^ Mode ^ Type ^ Pulsation propre (rad/ | ^ Mode ^ Type ^ Pulsation propre (rad/ | ||
- | | 1 | 1F | 1678, | + | | 1 | 1F | 1678, |
| 2 | 2F | 6508, | | 2 | 2F | 6508, | ||
| 3 | 1T | 8874, | | 3 | 1T | 8874, | ||
Ligne 258: | Ligne 279: | ||
^ Mode ^ Type ^ Pulsation propre (rad/ | ^ Mode ^ Type ^ Pulsation propre (rad/ | ||
- | | 1 | 1F | 1682, | + | | 1 | 1F | 1682, |
| 2 | 2F | 6515, | | 2 | 2F | 6515, | ||
| 3 | 1T | 8895, | | 3 | 1T | 8895, | ||
Ligne 270: | Ligne 291: | ||
| 3 | 1T | 8897, | | 3 | 1T | 8897, | ||
+ | ====Diagramme de Campbell==== | ||
+ | Comparaison de l' | ||
+ | {{ : | ||
+ | < | ||
+ | |||
+ | aube initiale (orange), aube de référence (grise)</ | ||
+ | * {{ : | ||
+ | * {{ : | ||
</ | </ | ||
- public/modeles/rotor_04/accueil.1721854364.txt.gz
- Dernière modification : 2024/07/24 16:52
- de rafaelbarraud