Différences
Ci-dessous, les différences entre deux révisions de la page.
| Les deux révisions précédentes Révision précédente Prochaine révision | Révision précédente | ||
| public:modeles:rotor_02:accueil [2023/03/01 14:26] – [Material properties] solenekojtych | public:modeles:rotor_02:accueil [2023/04/21 15:20] (Version actuelle) – solenekojtych | ||
|---|---|---|---|
| Ligne 7: | Ligne 7: | ||
| <pane id=" | <pane id=" | ||
| + | <callout type=" | ||
| + | This model is not public, as there were problems in the computation of eigenfrequencies with code Aster (see the bottom of the page). | ||
| + | </ | ||
| ===== About ===== | ===== About ===== | ||
| Ligne 43: | Ligne 46: | ||
| {{ : | {{ : | ||
| - | ===== Aerodynamic design | + | ==== Aerodynamic design |
| - | ^ ^ unit ^ values | + | ^ ^ unit ^ value ^ |
| ^ pressure ratio | [-] | 1.53 | | ^ pressure ratio | [-] | 1.53 | | ||
| ^ mass flow | ^ mass flow | ||
| Ligne 52: | Ligne 55: | ||
| ^ aspect ratio | [-] | 6.5 | | ^ aspect ratio | [-] | 6.5 | | ||
| ^ rotative speed | [rad/ | ^ rotative speed | [rad/ | ||
| - | ===== Material properties | ||
| - | Rotor 2 is made of a 200-grade maraging steel | + | ==== Material properties |
| + | |||
| + | The material of rotor 2 is not defined in the original NASA report. A 200-grade maraging steel is considered: | ||
| ^ | ^ | ||
| Ligne 63: | Ligne 67: | ||
| ^ yield stress | ^ yield stress | ||
| - | First three natural frequencies (with clamped root) for the mesh: | ||
| - | - <fc # | ||
| - | - <fc # | ||
| - | - <fc # | ||
| - | ===== CAD ===== | ||
| - | {{ : | + | |
| + | ==== CAD model ==== | ||
| + | |||
| + | The CAD model is computed with the open source code OpenMCAD[(cite: | ||
| + | |||
| + | < | ||
| + | <col md=" | ||
| + | </ | ||
| + | <col md=" | ||
| + | {{ : | ||
| + | < | ||
| + | </ | ||
| + | <col md=" | ||
| + | {{ : | ||
| + | < | ||
| + | </ | ||
| + | <col md=" | ||
| + | </ | ||
| + | </ | ||
| + | |||
| + | ==== Natural frequencies ==== | ||
| + | |||
| + | |||
| + | First three natural frequencies (with clamped root) for the mesh computed with OpenMCAD[(cite: | ||
| + | |||
| + | <callout type=" | ||
| + | Currently not available because of a problem to compute them with aster from the mesh of the reference blade. | ||
| + | </ | ||
| </ | </ | ||
| Ligne 77: | Ligne 104: | ||
| <pane id=" | <pane id=" | ||
| + | <callout type=" | ||
| + | Ce modèle n'est pas public, en raison de problèmes sur le calcul des fréquences propres avec code Aster (voir bas de page) | ||
| + | </ | ||
| ===== À propos ===== | ===== À propos ===== | ||
| Ligne 127: | Ligne 157: | ||
| ==== Propriétés matériau | ==== Propriétés matériau | ||
| - | Le matériau original du rotor 1 n'est pas défini dans le rapport de la NASA. Un acier maraging de grade 200 est considéré: | + | Le matériau original du rotor 2 n'est pas défini dans le rapport de la NASA. Un acier maraging de grade 200 est considéré: |
| ^ | ^ | ||