Choking Behaviour In Real-gas Supersonic Ejectors Using Compound Flow Theory

Croquer, Sergio;Metsue, Antoine;Fang, Yu;Bartosiewicz, Yann;Poncet, Sébastien
(2021) ATE-HEFAT 2021 — Location: Online (26.July.2021)

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Authors
  • Croquer, SergioUCLouvain
    Author
  • Metsue, Antoineorcid-logoUCLouvain
    Author
  • Fang, YuUCLouvain
    Author
  • Bartosiewicz, YannUCLouvain
    Author
  • Poncet, SébastienUdS
    Author
Abstract
The compound-choking criterion has recently demonstrated to better explain the phenomenology of a double-choked ejector than the common Fabri-choking. In the present work, one pro- poses to discuss results obtained using the compound-choking criterion, firstly through the use of a wall-resolved RANS model, and secondly via a thermodynamic model. It is concluded that the compound-choking is a better criterion to assess the operating regime of an ejector, as it is more representative of the actual choking physics.
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Croquer, S., Metsue, A., Fang, Y., Bartosiewicz, Y., & Poncet, S. (2021). Choking Behaviour In Real-gas Supersonic Ejectors Using Compound Flow Theory. ATE-HEFAT 2021, Online. https://hdl.handle.net/2078.5/27551