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Experimental and Numerical Analysis of a Compressor Stage under Flow Distortion

Article dans une revue avec comité de lecture
Auteur
BARETTER, Alberto
531216 Laboratoire de Mécanique des Fluides de Lille – Kampé de Fériet - UMR 9014 [LMFL]
GODARD, Benjamin
1042169 DAAA, ONERA, Université Paris Saclay [Meudon]
JOSEPH, Pierric
531216 Laboratoire de Mécanique des Fluides de Lille – Kampé de Fériet - UMR 9014 [LMFL]
ROUSSETTE, Olivier
531216 Laboratoire de Mécanique des Fluides de Lille – Kampé de Fériet - UMR 9014 [LMFL]
ROMANÒ, Francesco
531216 Laboratoire de Mécanique des Fluides de Lille – Kampé de Fériet - UMR 9014 [LMFL]
BARRIER, Raphael
1042169 DAAA, ONERA, Université Paris Saclay [Meudon]
DAZIN, Antoine
531216 Laboratoire de Mécanique des Fluides de Lille – Kampé de Fériet - UMR 9014 [LMFL]

URI
http://hdl.handle.net/10985/21615
DOI
10.3390/ijtpp6040043
Date
2021
Journal
International Journal of Turbomachinery, Propulsion and Power

Résumé

On many occasions, fan or compressor stages have to face azimuthal flow distortion at inlet, which affects their performance and stability. These flow distortions can be caused by external events or by some particular geometrical features. The aim of this work is to propose a joined numerical and experimental analysis of the flow behavior in a single axial compressor stage under flow distortion. The distortions are generated by different grids that are placed upstream to the rotor. Experimentally, the flow analysis is based on the measurements obtained by a series of unsteady pressure sensors flush-mounted at the casing of the machine rotor. URANS computations are conducted using the elsA software. The flow distortion is simulated by a drop of stagnation pressure ratio at the inlet boundary condition. The study is focusing first on the ability of a pressure drop, imposed as an inlet boundary condition in CFD, to reproduce accurately the effect of a flow distortion. The analysis is conducted using singular value decomposition (SVD) and dynamic mode decomposition (DMD). A special attention is then paid, on the experimental level, to the arising of rotating stall, from the onset of the instability up to completely developed stall cells.

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Documents liés

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  • Experimental Analysis of an Axial Compressor Operating under Flow Distorsion 
    Communication avec acte
    BARETTER, Alberto; JOSEPH, Pierric; ROUSSETTE, Olivier; ROMANO, Francesco; DAZIN, Antoine (ASME, 2022-06)
    In aircraft engines, compressor stages can encounter situations in which the flow is distorted at rotor inlet, for example during particular flight maneuvers, or due to the shape of the inlet of the airframe. The main ...
  • Stall Margin Improvement in an Axial Compressor by Continuous and Pulsed Tip Injection 
    Article dans une revue avec comité de lecture
    MOUBOGHA MOUBOGHA, Joseph; MARGALIDA, Gabriel; JOSEPH, Pierric; ROUSSETTE, Olivier; DAZIN, Antoine (MDPI AG, 2022-03)
    Stall and surge are strong limitations in the operating range of compressors and thus one of the major limits of jet engine performance. A promising way to push the stability limit of compression machines is to inject a ...
  • Experimental Flow Investigation Inside an Axial Compressor with Active Flow Control 
    Communication avec acte
    MOUBOGHA MOUBOGHA, Joseph; JOSEPH, Pierric; ROUSSETTE, Olivier; DAZIN, Antoine (ASME, 2022-06)
    This paper describes the experimental study of the flow behavior in a rotor blade channel of an axial compressor equipped with an Active Flow Control (AFC) system using Particle Image Velocimetry. The AFC system consists ...
  • Pulsed air injection system characterization for stall margin improvement in an axial compressor 
    Communication avec acte
    MARGALIDA, Gabriel; JOSEPH, Pierric; DAZIN, Antoine; ROUSSETTE, Olivier; DELVA, Jérôme (EUCASS association, 2022-06-27)
    This paper presents the design and the characterization of a pulsed air injection system on a single stage axial compressor. The goal of this system is to delay the rotating stall onset and to extend the compressor operating ...
  • Comparison and Sensibility Analysis of Warning Parameters for Rotating Stall Detection in an Axial Compressor 
    Article dans une revue avec comité de lecture
    MARGALIDA, Gabriel; JOSEPH, Pierric; ROUSSETTE, Olivier; DAZIN, Antoine (MDPI, 2020)
    The present paper aims at evaluating the surveillance parameters used for early stall warning in axial compressors, and is based on unsteady pressure measurements at the casing of a single stage axial compressor. Two ...

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