Différences
Ci-dessous, les différences entre deux révisions de la page.
| Les deux révisions précédentes Révision précédente Prochaine révision | Révision précédente | ||
| public:modeles:rotor_68:accueil [2024/08/01 16:34] – [Fréquences propres] rafaelbarraud | public:modeles:rotor_68:accueil [2024/08/01 16:42] (Version actuelle) – [Natural frequencies] rafaelbarraud | ||
|---|---|---|---|
| Ligne 52: | Ligne 52: | ||
| ^ aspect ratio | [-] | 1.89 | | ^ aspect ratio | [-] | 1.89 | | ||
| ^ number of blades | ^ number of blades | ||
| - | ^ rotative | + | ^ nominal rotation |
| ==== Material properties | ==== Material properties | ||
| Ligne 96: | Ligne 96: | ||
| | 3 | 1T | 10374.29 | | 3 | 1T | 10374.29 | ||
| + | ====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: | ||
| + | |||
| + | {{ : | ||
| + | < | ||
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| + | * {{ : | ||
| + | * {{ : | ||
| Ligne 124: | Ligne 132: | ||
| | 3 | 1T | 10314.29 | | 3 | 1T | 10314.29 | ||
| + | |||
| + | ====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: | ||
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| + | {{ : | ||
| + | |||
| + | |||
| + | < | ||
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| + | initial blade (orange), reference blade (gray) </ | ||
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| + | * {{ : | ||
| + | * {{ : | ||
| Ligne 253: | Ligne 274: | ||
| | 3 | 1T | 10314, | | 3 | 1T | 10314, | ||
| + | ====Diagramme de Campbell==== | ||
| + | Comparaison de l' | ||
| + | |||
| + | {{ : | ||
| + | < | ||
| + | |||
| + | aube initiale (orange), aube de référence (grise)</ | ||
| + | |||
| + | * {{ : | ||
| + | * {{ : | ||
| </ | </ | ||
| + | |||
| </ | </ | ||