Insights into the turbulent flow of dense gases through high-fidelity simulations

P Cinnella, X Gloerfelt - Computers & Fluids, 2023 - Elsevier
This article reviews recent advances in the understanding of turbulent flows of non-ideal
gases through the use of high-fidelity direct and large eddy simulations. In particular, the …

Nonideal Compressible Fluid Dynamics of Dense Vapors and Supercritical Fluids

A Guardone, P Colonna, M Pini… - Annual Review of Fluid …, 2024 - annualreviews.org
The gas dynamics of single-phase nonreacting fluids whose thermodynamic states are close
to vapor-liquid saturation, close to the vapor-liquid critical point, or in supercritical conditions …

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 …

Instabilities in three-dimensional boundary-layer flows with a highly non-ideal fluid

J Ren, M Kloker - Journal of Fluid Mechanics, 2022 - cambridge.org
The present work investigates the linear instability of three-dimensional boundary layers in
thermodynamically non-ideal regimes. As a representative fluid, we consider carbon dioxide …

Direct numerical simulations of temporal compressible mixing layers in a Bethe–Zel'dovich–Thompson dense gas: influence of the convective Mach number

A Vadrot, A Giauque, C Corre - Journal of Fluid Mechanics, 2021 - cambridge.org
The present article investigates the effects of a BZT (Bethe–Zel'dovich–Thompson) dense
gas (FC-70) on the development of turbulent compressible mixing layers at three different …

[HTML][HTML] Large eddy simulations of strongly non-ideal compressible flows through a transonic cascade

JC Hoarau, P Cinnella, X Gloerfelt - Energies, 2021 - mdpi.com
Transonic flows of a molecularly complex organic fluid through a stator cascade were
investigated by means of large eddy simulations (LESs). The selected configuration was …

Numerical investigation of high-speed turbulent boundary layers of dense gases

L Sciacovelli, X Gloerfelt, D Passiatore… - Flow, Turbulence and …, 2020 - Springer
High-speed turbulent boundary layers of a dense gas (PP11) and a perfect gas (air) over flat
plates are investigated by means of direct numerical simulations and large eddy simulations …

Numerical Investigation of Transonic Non-ideal Gas Flows Around a Circular Cylinder at High Reynolds Number

C Matar, X Gloerfelt, P Cinnella - Flow, Turbulence and Combustion, 2024 - Springer
High Reynolds transonic ideal and non-ideal gas flows around a smooth circular cylinder
are investigated by means of Large Eddy Simulations over a range of Mach numbers …

Transient growth in diabatic boundary layers with fluids at supercritical pressure

PC Boldini, B Bugeat, JWR Peeters, M Kloker… - arXiv preprint arXiv …, 2024 - arxiv.org
In the thermodynamic region close to the vapour-liquid critical point and in the proximity of
the pseudo-boiling (Widom) line, strong property variations extensively alter the growth of …