Différences
Ci-dessous, les différences entre deux révisions de la page.
Les deux révisions précédentes Révision précédente Prochaine révision | Révision précédente | ||
public:modeles:rotor_11:accueil [2024/07/25 12:41] – [Fréquences propres] rafaelbarraud | public:modeles:rotor_11:accueil [2024/08/05 15:52] (Version actuelle) – [Natural frequencies] rafaelbarraud | ||
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Ligne 56: | Ligne 56: | ||
^ aspect ratio | [-] | 2.5 | | ^ aspect ratio | [-] | 2.5 | | ||
^ number of blades | ^ number of blades | ||
- | ^ rotative | + | ^ nominal rotation |
==== Material properties | ==== Material properties | ||
Ligne 102: | Ligne 102: | ||
+ | ====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: | ||
+ | {{ : | ||
+ | < | ||
+ | |||
+ | * {{ : | ||
+ | * {{ : | ||
===== Initial blade ===== | ===== Initial blade ===== | ||
Ligne 117: | Ligne 124: | ||
^ Mode ^ Type ^ Natural angular frequency (rad/ | ^ Mode ^ Type ^ Natural angular frequency (rad/ | ||
- | | 1 | 1B | 1436.14 | + | | 1 | 1B | 1436.14 |
- | | 2 | 2B | 5253.42 | + | | 2 | 2B | 5253.42 |
| 3 | 1T | 8274.96 | | 3 | 1T | 8274.96 | ||
Ligne 125: | Ligne 132: | ||
^ Mode ^ Type ^ Natural angular frequency (rad/ | ^ Mode ^ Type ^ Natural angular frequency (rad/ | ||
- | | 1 | 1B | 1436.16 | + | | 1 | 1B | 1436.16 |
- | | 2 | 2B | 5255.37 | + | | 2 | 2B | 5255.37 |
| 3 | 1T | 8277.22 | | 3 | 1T | 8277.22 | ||
+ | ====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 223: | Ligne 242: | ||
^ Mode ^ Type ^ Pulsation propre (rad/ | ^ Mode ^ Type ^ Pulsation propre (rad/ | ||
- | | 1 | 1F | 1435, | + | | 1 | 1F | 1435, |
- | | 2 | 2F | 5252, | + | | 2 | 2F | 5252, |
| 3 | 1T | 8270, | | 3 | 1T | 8270, | ||
Ligne 249: | Ligne 268: | ||
^ Mode ^ Type ^ Pulsation propre (rad/ | ^ Mode ^ Type ^ Pulsation propre (rad/ | ||
- | | 1 | 1F | 1436, | + | | 1 | 1F | 1436, |
- | | 2 | 2F | 5253, | + | | 2 | 2F | 5253, |
| 3 | 1T | 8274, | | 3 | 1T | 8274, | ||
Ligne 257: | Ligne 276: | ||
^ Mode ^ Type ^ Pulsation propre (rad/ | ^ Mode ^ Type ^ Pulsation propre (rad/ | ||
- | | 1 | 1F | 1436, | + | | 1 | 1F | 1436, |
- | | 2 | 2F | 5255, | + | | 2 | 2F | 5255, |
| 3 | 1T | 8277, | | 3 | 1T | 8277, | ||
- public/modeles/rotor_11/accueil.1721925719.txt.gz
- Dernière modification : 2024/07/25 12:41
- de rafaelbarraud