Choke flutter instability sources tracking with linearized calculations

Autor: Duquesne, Pierre, Rendu, Quentin, Aubert, Stephane, Ferrand, Pascal

Publikováno v: International Journal of Numerical Methods for Heat & Fluid Flow, 2019, Vol. 30, Issue 9, pp. 4155-4166.

Externí odkaz: http://www.emeraldinsight.com/doi/10.1108/HFF-06-2018-0281

UHBR OPEN-TEST-CASE FAN ECL5/CATANA, PART 2: MECHANICAL AND AEROELASTIC STABILITY ANALYSIS

Autor: Pagès, Valdo, Duquesne, Pierre, Aubert, Stéphane, Blanc, Laurent, Ferrand, Pascal, Ottavy, Xavier, Brandstetter, Christoph

Publikováno v: Proceedings of 14th European Conference on Turbomachinery Fluid dynamics & Thermodynamics
14th European Conference on Turbomachinery Fluid dynamics & Thermodynamics
14th European Conference on Turbomachinery Fluid dynamics & Thermodynamics, Apr 2021, Gdansk, Poland

International audience; In Part-1, the ECL5 open-test-case has been introduced. Details on design methodology, geometry, and aerodynamics of the whole stage have been presented. Part-2 focuses herein on structure dynamics and aeroelastic stability. T

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::96c1b07130116551516374565cca1ad0
https://hal.archives-ouvertes.fr/hal-03257377

Axial turbomachine modelling with a 1D axisymmetric approach: Application to gas cooled nuclear reactor

Autor: Tauveron, Nicolas, Saez, Manuel, Ferrand, Pascal, Leboeuf, Francis

Publikováno v: In Nuclear Engineering and Design 2007 237(15):1679-1692

UHBR Open-Test-Case Fan ECL5/CATANA †.

Autor: Pagès, Valdo, Duquesne, Pierre, Aubert, Stéphane, Blanc, Laurent, Ferrand, Pascal, Ottavy, Xavier, Brandstetter, Christoph

Publikováno v: International Journal of Turbomachinery, Propulsion & Power; Jun2022, Vol. 7 Issue 2, p17, 20p

Effect of nodal diameter on the local blades vibration on the choke flutter instability in transonic UHBR fan

Autor: Duquesne, Pierre, Aubert, Stéphane, Rendu, Quentin, Ferrand, Pascal

Publikováno v: 15th International Symposium on Unsteady Aerodynamics, Aeroacoustics and Aeroelasticity of Turbomachines
15th International Symposium on Unsteady Aerodynamics, Aeroacoustics and Aeroelasticity of Turbomachines, Sep 2018, Oxford, United Kingdom

International audience; For some blade vibration situation (frequency, modeshape and nodal diameter) and some operating condition, the flow around a fan blade can amplify the natural vibration of the blade. This effect can lead to the failure of the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::a789519bd3eddc292b48dd3abd22ec24
https://hal.archives-ouvertes.fr/hal-02156697/file/DUQUESNE_AUBERT_RENDU_FERRAND_2018b.pdf