Direct numerical simulation of supersonic internal flow in a model scramjet combustor under a non-reactive condition

J Fang, X Deng, ZX Chen - Physics of Fluids, 2023 - pubs.aip.org
A Mach 1.5 non-reactive flow in a cavity-stabilized combustor of a model scramjet is studied
via a direct-numerical simulation approach, and the analysis is focused on the interaction …

Effect of convective schemes in wall-resolved and wall-modeled LES of compressible wall turbulence

F De Vanna, G Baldan, F Picano, E Benini - Computers & Fluids, 2023 - Elsevier
The current study discusses how numerical schemes and discretization approaches affect
wall-resolved and wall-modeled LES outcomes. A turbulent boundary layer setup over a flat …

Wall-modeled LES of shock-wave/boundary layer interaction

F De Vanna, M Bernardini, F Picano, E Benini - International Journal of …, 2022 - Elsevier
The present paper discusses the physical reliability of turbulence modeling in an adverse
pressure gradient wall flow setup at moderate/high Reynolds number by comparing wall …

[HTML][HTML] Large-Eddy Simulation of the unsteady supersonic flow around a Mars entry capsule at different angles of attack

L Placco, M Cogo, M Bernardini, A Aboudan… - Aerospace Science and …, 2023 - Elsevier
Time-evolving high-fidelity simulations of an entry capsule in a supersonic flight regime have
been performed at different angles of attack (0∘, 5∘, 10∘ and 15∘) in Mars' atmosphere …

Direct numerical simulation of supersonic turbulent flows over rough surfaces

D Modesti, S Sathyanarayana, F Salvadore… - Journal of Fluid …, 2022 - cambridge.org
We perform direct numerical simulation of supersonic turbulent channel flow over cubical
roughness elements, spanning bulk Mach numbers, both in the transitional and fully rough …

A computational fluid dynamics-discrete element-immersed boundary method for Cartesian grid simulation of heat transfer in compressible gas–solid flow with …

P Zhao, J Xu, X Liu, W Ge, J Wang - Physics of Fluids, 2020 - pubs.aip.org
A computational fluid dynamics-discrete element-immersed boundary method (CFD-DEM-
IBM method) was developed for Cartesian grid simulation of the hydrodynamics and heat …

[HTML][HTML] URANOS: A GPU accelerated Navier-Stokes solver for compressible wall-bounded flows

F De Vanna, F Avanzi, M Cogo, S Sandrin… - Computer Physics …, 2023 - Elsevier
URANOS, a massively parallel GPU-accelerated compressible flow solver for high-fidelity
modeling of compressible wall flows, is presented. URANOS is based on modern high …

Investigation of premixed hydrogen/methane flame propagation and kinetic characteristics for continuous obstacles with gradient barrier ratio

S Wang, G Xiao, Y Feng, H Mi - Energy, 2023 - Elsevier
Employing both experimental and computational methods, this paper investigates the
propagation characteristics of the explosion flame for two cases with gradually increasing …

[HTML][HTML] Immersed boundary method for high-order flux reconstruction based on volume penalization

J Kou, S Joshi, A Hurtado-de-Mendoza, K Puri… - Journal of …, 2022 - Elsevier
In the last decade, there has been a lot of interest in developing high-order methods as a
viable option for unsteady scale-resolving-simulations which are increasingly important in …

Turbulence and added drag over acoustic liners

H Shahzad, S Hickel, D Modesti - Journal of Fluid Mechanics, 2023 - cambridge.org
We present pore-resolved compressible direct numerical simulations of turbulent flows
grazing over perforated plates, that closely resemble the acoustic liners found on aircraft …