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public:modeles:rotor_04:accueil [2023/02/22 01:09] – [Modèle CAO] ikrambeghdadi | public:modeles:rotor_04:accueil [2023/02/24 20:43] – ikrambeghdadi |
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<btn type="warning" size="md" modal="modal_en">Downloadable files</btn> | <btn type="warning" size="md" modal="modal_en">Downloadable files</btn> |
<modal id="modal_en" title="Open access"> | <modal id="modal_en" title="Open access"> |
**[[https://gitlab.lava.polymtl.ca/depots_publics/modeles/nasa/rotor04|Git project]]** | **[[https://gitlab.lava.polymtl.ca/depots_publics/modeles/catalogue_aubes/-/tree/master/rotor04|Git project]]** |
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<code>@TechReport{janetzke1972design, | <code>@TechReport{janetzke1972design, |
author = {Janetzke, David C. and Ball, Calvin L. and Hager, Roy D.}, | author = {Janetzke, David C. and Ball, Calvin L. and Hager, Roy D.}, |
title = {Performance of 1380-foot-per-second-tip-speed axial-flow compressor rotor with blade tip solidity of 1.1}, | date = {1972}, |
institution = {NASA Lewis Research Center Cleveland, OH, United States}, | institution = {NASA Lewis Research Center Cleveland, OH, United States}, |
note = {NASA-TM X-2449, url~: \url{https://ntrs.nasa.gov/citations/19720011348}, 1972}} | title = {Performance of 1380-foot-per-second-tip-speed axial-flow compressor rotor with blade tip solidity of 1.1}, |
| number = {NASA-TM X-2449}, |
| url = {https://ntrs.nasa.gov/citations/19720011348}, |
| } |
</code> | </code> |
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===== Useful documents ===== | <callout type="info" icon="true" title="Useful documents"> |
* [[https://gitlab.lava.polymtl.ca/depots_publics/modeles/catalogue_aubes/-/tree/master/rotor04|downloadable models]] (Git project) | * [[https://gitlab.lava.polymtl.ca/depots_publics/modeles/catalogue_aubes/-/tree/master/rotor04|downloadable models]] (Git project) |
* PDF of the NASA report : {{ :public:modeles:rotor_4:rotor4.pdf |}} | * PDF of the NASA report : {{ :public:modeles:rotor_4:rotor4.pdf |}} |
* CSV file of the blade geometry : {{ :public:modeles:rotor_4:rotor4_original.csv |}} | * CSV file of the blade geometry : {{ :public:modeles:rotor_4:rotor4_original.csv |}} utilisable en entrée de OpenMCAD[(cite:Kojtych_2022_gene_aubes>Kojtych S., Batailly A. «OpenMCAD, an open blade generator: from Multiple-Circular-Arc profiles to Computer-Aided Design model» 2022. {{ https://hal.science/hal-03923093|code en libre accès}})] pour générer l'aube de référence |
| </callout> |
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| ===== Reference blade ===== |
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| The **reference blade** is defined with multiple-circular arc profiles[(cite:Crouse_1969_computer)] given in the original NASA report[(cite:janetzke1972design)]. Corresponding models are computed with the open-source code OpenMCAD[(cite:Kojtych_2022_gene_aubes)]. |
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===== Geometry ===== | ===== Geometry ===== |
^ yield stress | [GPa] | 1.38 | | ^ yield stress | [GPa] | 1.38 | |
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First three natural frequencies (with clamped root) for the mesh: | |
- <fc #c0c0c0>(1B)</fc>: 1703.3 rad/s / 271.1 Hz | |
- <fc #c0c0c0>(2B)</fc>: 6681.9 rad/s / 1063.5 Hz | |
- <fc #c0c0c0>(1T)</fc>: 8631.9 rad/s / 1373.8Hz | |
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==== CAD model ==== | ==== CAD model ==== |
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^ Mode ^ Type ^ Natural angular frequency (rad/sec) ^ Natural frequency (Hz) ^ | ^ Mode ^ Type ^ Natural angular frequency (rad/sec) ^ Natural frequency (Hz) ^ |
| 1 | 1F | 1018,5 | 162,1 | | | 1 | 1B | 1678.08 | 267.076 | |
| 2 | 1T | 3542,5 | 563,8 | | | 2 | 2B | 6508.62 | 1035.88 | |
| 3 | 2F | 6094,7 | 970,0 | | | 3 | 1T | 8874.56 | 1412.43 | |
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===== Initial blade ===== | ===== Initial blade ===== |
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The **initial blade** is defined with in-house LAVA parameters[(cite:Kojtych_2022_Methodology>Kojtych S. //et al//. “Methodology for the Redesign of Compressor Blades Undergoing Nonlinear Structural Interactions: Application to Blade-Tip /Casing Contacts" 2022. Journal of Engineering for Gas Turbines and Power, Vol.145, No.5. {{ https://hal.archives-ouvertes.fr/hal-03795257|pdf}})]obtained from CAD model of the reference vane. The initial dawn is conventionally used as a starting point in optimization procedures; its geometry is similar to that of the reference blade. | The **initial blade** is defined with in-house LAVA parameters[(cite:Kojtych_2022_Methodology>Kojtych S. //et al//. “Methodology for the Redesign of Compressor Blades Undergoing Nonlinear Structural Interactions: Application to Blade-Tip /Casing Contacts" 2022. Journal of Engineering for Gas Turbines and Power, Vol.145, No.5. {{ https://hal.archives-ouvertes.fr/hal-03795257|pdf}})]obtained from CAD model of the reference vane. The initial blade is conventionally used as a starting point in optimization procedures; its geometry is similar to that of the reference blade. |
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^ Mode ^ Type ^ Natural angular frequency (rad/sec) ^ Natural frequency (Hz) ^ | ^ Mode ^ Type ^ Natural angular frequency (rad/sec) ^ Natural frequency (Hz) ^ |
| 1 | 1F | 1019,1 | 162,2 | | | 1 | 1B | 1682.55 | 267.786 | |
| 2 | 1T | 3539,3 | 563,3 | | | 2 | 2B | 6515.28 | 1036.94 | |
| 3 | 2F | 6074,0 | 966,7 | | | 3 | 1T | 8895.29 | 1415.73 | |
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^ Mode ^ Type ^ Natural angular frequency (rad/sec) ^ Natural frequency (Hz) ^ | ^ Mode ^ Type ^ Natural angular frequency (rad/sec) ^ Natural frequency (Hz) ^ |
| 1 | 1F | 1019,1 | 162,2 | | | 1 | 1B | 1682.57 | 267.79 | |
| 2 | 1T | 3540,8 | 563,5 | | | 2 | 2B | 6516.35 | 1037.11 | |
| 3 | 2F | 6075,8 | 967,0 | | | 3 | 1T | 8897.12 | 1416.02 | |
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</pane> | </pane> |
<btn type="warning" size="md" modal="modal_fr">Fichiers téléchargeables</btn> | <btn type="warning" size="md" modal="modal_fr">Fichiers téléchargeables</btn> |
<modal id="modal_fr" title="Libre accès"> | <modal id="modal_fr" title="Libre accès"> |
**[[https://gitlab.lava.polymtl.ca/depots_publics/modeles/nasa/rotor04|lien vers le projet Git]]** | **[[https://gitlab.lava.polymtl.ca/depots_publics/modeles/catalogue_aubes/-/tree/master/rotor04|lien vers le projet Git]]** |
</modal> | </modal> |
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===== Documents utiles ===== | <callout type="info" icon="true" title="Documents utiles"> |
* [[https://gitlab.lava.polymtl.ca/depots_publics/modeles/catalogue_aubes/-/tree/master/rotor04|modèles téléchargeables]] (lien vers projet Git) | * [[https://gitlab.lava.polymtl.ca/depots_publics/modeles/catalogue_aubes/-/tree/master/rotor04|modèles téléchargeables]] (lien vers projet Git) |
* PDF du rapport de la NASA : {{ :public:modeles:rotor_4:rotor4.pdf |}} | * PDF du rapport de la NASA : {{ :public:modeles:rotor_4:rotor4.pdf |}} |
* Fichier CSV de la géométrie : {{ :public:modeles:rotor_4:rotor4_original.csv |}} | * Fichier CSV de la géométrie : {{ :public:modeles:rotor_4:rotor4_original.csv |}} utilisable en entrée de OpenMCAD[(cite:Kojtych_2022_gene_aubes>Kojtych S., Batailly A. «OpenMCAD, an open blade generator: from Multiple-Circular-Arc profiles to Computer-Aided Design model» 2022. {{ https://hal.science/hal-03923093|code en libre accès}})] pour générer l'aube de référence. |
| </callout> |
| ===== Aube de référence ===== |
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| L'**aube de référence** est définie par des profils de type arcs circulaires multiples[(cite:Crouse_1969_computer>Crouse //et al//. «A computer program for composing compressor blading from simulated circular-arc elements on conical surfaces » 1969. NASA-TN-D-5437. {{ https://ntrs.nasa.gov/citations/19690027504|pdf}})], donnés dans le rapport technique original de la NASA[(cite:janetzke1972design)]. Les modèles associés sont obtenus avec le code en libre accès OpenMCAD[(cite:Kojtych_2022_gene_aubes)]. |
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===== Géométrie ===== | ===== Géométrie ===== |
^ limite élastique | [GPa] | 1,38 | | ^ limite élastique | [GPa] | 1,38 | |
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Fréquences des trois premiers modes (noeuds de la base encastrés) pour le maillage : | |
- <fc #c0c0c0>(1B)</fc>: 1703,3 rad/s / 271,1 Hz | |
- <fc #c0c0c0>(2B)</fc>: 6681,9 rad/s / 1063,5 Hz | |
- <fc #c0c0c0>(1T)</fc>: 8631,9 rad/s / 1373,8Hz | |
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==== Modèle CAO ==== | ==== Modèle CAO ==== |
</col> | </col> |
<col md="4"> | <col md="4"> |
{{:public:modeles:rotor_04:4_intra.png?200|}} | {{:public:modeles:rotor_04:4_intra.png?400|}} |
<caption>intrados</caption> | <caption>intrados</caption> |
</col> | </col> |
<col md="4"> | <col md="4"> |
{{:public:modeles:rotor_04:4_extra.png?200|}} | {{:public:modeles:rotor_04:4_extra.png?400|}} |
<caption>extrados</caption> | <caption>extrados</caption> |
</col> | </col> |
==== Fréquences propres ==== | ==== Fréquences propres ==== |
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Fréquences des trois premiers modes (noeuds du pied d'aube encastrés) pour le maillage obtenu avec OpenMCAD[(cite:Kojtych_2022_gene_aubes)] : | Fréquences des trois premiers modes (noeuds du pied d'aube encastrés) pour le maillage obtenu avec OpenMCAD[(cite:Kojtych_2022_gene_aubes)]: |
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^ Mode ^ Type ^ Pulsation propre (rad/sec) ^ Fréquence propre (Hz) ^ | ^ Mode ^ Type ^ Pulsation propre (rad/sec) ^ Fréquence propre (Hz) ^ |
| 1 | | 1678.08 | 267.076 | | | 1 | 1B | 1678,08 | 267,076 | |
| 2 | | 6508.62 | 1035.88 | | | 2 | 2B | 6508,62 | 1035,88 | |
| 3 | | 8874.56 | 1412.43 | | | 3 | 1T | 8874,56 | 1412,43 | |
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===== Aube initiale ===== | ===== Aube initiale ===== |
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^ Mode ^ Type ^ Pulsation propre (rad/sec) ^ Fréquence propre (Hz) ^ | ^ Mode ^ Type ^ Pulsation propre (rad/sec) ^ Fréquence propre (Hz) ^ |
| 1 | | 1682.55 | 267.786 | | | 1 | 1B | 1682,55 | 267,786 | |
| 2 | | 6515.28 | 1036.94 | | | 2 | 2B | 6515,28 | 1036,94 | |
| 3 | | 8895.29 | 1415.73 | | | 3 | 1T | 8895,29 | 1415,73 | |
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^ Mode ^ Type ^ Pulsation propre (rad/sec) ^ Fréquence propre (Hz) ^ | ^ Mode ^ Type ^ Pulsation propre (rad/sec) ^ Fréquence propre (Hz) ^ |
| 1 | | 1682.57 | 267.79 | | | 1 | 1B | 1682,57 | 267,79 | |
| 2 | | 6516.35 | 1037.11 | | | 2 | 2B | 6516,35 | 1037,11 | |
| 3 | | 8897.12 | 1416.02 | | | 3 | 1T | 8897,12 | 1416,02 | |
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