Différences
Ci-dessous, les différences entre deux révisions de la page.
Les deux révisions précédentes Révision précédente Prochaine révision | Révision précédente | ||
public:modeles:rotor_03:accueil [2023/03/21 23:07] – ikrambeghdadi | public:modeles:rotor_03:accueil [2023/04/17 20:36] (Version actuelle) – [Material properties] solenekojtych | ||
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Results show that the pressure ratio, temperature ratio and efficiency of this rotor are higher than design predicted values because of the actual losses being generally lower than those assumed in the design. | Results show that the pressure ratio, temperature ratio and efficiency of this rotor are higher than design predicted values because of the actual losses being generally lower than those assumed in the design. | ||
- | * Original NASA technical report [(cite: | + | * Original NASA technical report [(cite: |
- | < | + | |
@TechReport{hager1972performance, | @TechReport{hager1972performance, | ||
author | author | ||
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==== Material properties | ==== Material properties | ||
- | The material of rotor 3 is defined in the original NASA report. A 200-grade maraging steel is considered: | + | Rotor 3 is made of a 200-grade maraging steel, but the exact material properties are not provided in the NASA report. The following properties are considered : |
^ | ^ | ||
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^ Mode ^ Type ^ Natural angular frequency (rad/ | ^ Mode ^ Type ^ Natural angular frequency (rad/ | ||
- | | 1 | 1B | 1722.54 | + | | 1 | 1B | 1722.54 |
- | | 2 | 2B | 6548.96 | + | | 2 | 2B | 6548.96 |
- | | 3 | 1T | 8224.31 | + | | 3 | 1T | 8224.31 |
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^ Mode ^ Type ^ Natural angular frequency (rad/ | ^ Mode ^ Type ^ Natural angular frequency (rad/ | ||
- | | 1 | + | | 1 |
- | | 2 | + | | 2 |
- | | 3 | + | | 3 |
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^ Mode ^ Type ^ Natural angular frequency (rad/ | ^ Mode ^ Type ^ Natural angular frequency (rad/ | ||
- | | 1 | + | | 1 |
- | | 2 | + | | 2 |
- | | 3 | + | | 3 |
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==== Propriétés matériau | ==== Propriétés matériau | ||
- | Le matériau | + | Le matériau du rotor 3 est un alliage à base de nickel : un acier maraging de grade 200, mais ses caractéristiques ne sont pas fournies. Les propriétés considérées sont : |
^ | ^ | ||
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^ Mode ^ Type ^ Pulsation propre (rad/ | ^ Mode ^ Type ^ Pulsation propre (rad/ | ||
- | | 1 | + | | 1 |
- | | 2 | + | | 2 |
- | | 3 | + | | 3 |
Ligne 260: | Ligne 259: | ||
^ Mode ^ Type ^ Pulsation propre (rad/ | ^ Mode ^ Type ^ Pulsation propre (rad/ | ||
- | | 1 | + | | 1 |
- | | 2 | + | | 2 |
- | | 3 | + | | 3 |
Ligne 268: | Ligne 267: | ||
^ Mode ^ Type ^ Pulsation propre (rad/ | ^ Mode ^ Type ^ Pulsation propre (rad/ | ||
- | | 1 | + | | 1 |
- | | 2 | + | | 2 |
- | | 3 | + | | 3 |
- public/modeles/rotor_03/accueil.1679454466.txt.gz
- Dernière modification : 2023/04/05 08:59
- (modification externe)