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FLOw control in RAdial compressor

FLOw control in RAdial compressor

Objective

The enhancement of an engine operability involves increasing the compressor surge margin which is still an open challenge.
The project FLORA (FLOw control in RAdial compressor) is twofold.
First, it proposes to achieve a comprehensive understanding of the transient behavior of the radial compressor delivered by the Topic Leader through a precise characterization of the instabilities which develop at various rotation speeds and at different IGV (Inlet Guide Vanes) stagger angles. Detailed experimental investigations are planned providing an improved and time-resolved description of the path to surge.
Then, it proposes to apply passive flow control strategies in order to push back the compressor surge line towards low mass flow which will consequently enhance the compressor stability, hence the engine operability. The proposal particularly aims at evaluating the benefits from the boundary layer aspiration in radial geometries in terms of performance (gain in pressure ratio and efficiency) and surge margin. Besides experiments, calculations will help for the understanding of the internal flow structures which develop from stable operating points up to surge. High-fidelity Large Eddy Simulations (LES) will be used to get an in-depth comprehension of the impact of the flow control on the internal flow.
The project FLORA will contribute to the development of stable and efficient radial compressors with extended operating range.

Coordinator

ECOLE CENTRALE DE LYON

Address

Avenue Guy De Collongue 36
69134 Ecully

France

Activity type

Higher or Secondary Education Establishments

EU Contribution

€ 393 500

Participants (1)

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CENTRE EUROPEEN DE RECHERCHE ET DE FORMATION AVANCEE EN CALCUL SCIENTIFIQUE

France

EU Contribution

€ 56 250

Project information

Grant agreement ID: 820099

Status

Ongoing project

  • Start date

    1 September 2018

  • End date

    31 August 2022

Funded under:

H2020-EU.3.4.5.5.

  • Overall budget:

    € 449 750

  • EU contribution

    € 449 750

Coordinated by:

ECOLE CENTRALE DE LYON

France