High-subsonic boundary-layer flows of an organic vapour

X Gloerfelt, A Bienner, P Cinnella - Journal of Fluid Mechanics, 2023 - cambridge.org
Boundary layers of Novec649, a low-global-warming potential fluid of interest for low-grade
heat recovery, are investigated numerically by means of linear stability theory, direct …

Dynamic iterative approximate deconvolution model for large-eddy simulation of dense gas compressible turbulence

C Zhang, Z Yuan, L Duan, Y Wang, J Wang - Physics of Fluids, 2022 - pubs.aip.org
We study large-eddy simulation of compressible decaying isotropic turbulence of dense gas
at initial turbulent Mach numbers of 0.4 and 0.8. The unclosed subgrid-scale (SGS) terms …

Density-unweighted subgrid-scale models for large-eddy simulations of compressible turbulence

C Zhang, Z Yuan, Y Wang, R Zhang, J Wang - Physics of Fluids, 2022 - pubs.aip.org
Density-unweighted methods in large-eddy simulations (LES) of turbulence have received
little attention, and the modeling of unclosed terms using density-unweighted methods even …

A priori test of Large-Eddy Simulation models for the Sub-Grid Scale turbulent stress tensor in perfect and transcritical compressible real gas Homogeneous Isotropic …

A Giauque, C Giguet, A Vadrot, C Corre - Computers & Fluids, 2024 - Elsevier
In this study, the focus lies on the modeling of the subgrid-scale stress tensor in the context
of real gas flows. By conducting tests on perfect and dense gas configurations using six …

Dense gas effect on small-scale structures of compressible isotropic turbulence

L Duan, Q Zheng, Z Jiang, J Wang - Physics of Fluids, 2021 - pubs.aip.org
The small-scale statistics and local flow topology of compressible homogeneous isotropic
turbulence of dense gas are numerically investigated with the turbulent Mach number and …

High-fidelity numerical investigation of a real gas annular cascade with experimental validation

A Giauque, D Schuster, C Corre - Physics of Fluids, 2023 - pubs.aip.org
This study aims at investigating real gas flow in the complex geometry of the Cambridge
University annular turbine cascade using numerical simulations. The objectives include …

Development, validation and application of an ANN-Based large eddy simulation subgrid-scale turbulence model for dense gas flows

A Giauque, A Vadrot, C Corre - … Seminar on Non-Ideal Compressible-Fluid …, 2022 - Springer
Using a DNS database (available to the NICFD research community) including
homogeneous isotropic turbulence (HIT), mixing layers and channel flows, the authors have …

On independent degrees of freedom of turbulent mixing: The one-dimensional formulation

S Kioroglou - Physics of Fluids, 2021 - pubs.aip.org
In the present theoretical work, spatially locked, predominantly one-dimensional (1D)
turbulent eddies hosting n fluid parcels that exchange chaotically their positions are …

Univ Lyon, Ecole Centrale de Lyon, Univ Claude Bernard Lyon 1, INSA Lyon, LMFA, UMR 5509, AURA, 69130 Ecully, France {alexis. giauque, aurelien. vadrot …

A Giauque - Proceedings of the 4th International Seminar on Non …, 2023 - books.google.com
Using a DNS database (available to the NICFD research community) including
homogeneous isotropic turbulence (HIT), mixing layers and channel flows, the authors have …