Unsteady effects of strong shock-wave/boundary-layer interaction at high Reynolds number

V Pasquariello, S Hickel, NA Adams - Journal of Fluid Mechanics, 2017 - cambridge.org
We analyse the low-frequency dynamics of a high Reynolds number impinging shock-
wave/turbulent boundary-layer interaction (SWBLI) with strong mean-flow separation. The …

Large-eddy simulation of nitrogen injection at trans-and supercritical conditions

H Müller, CA Niedermeier, J Matheis, M Pfitzner… - Physics of …, 2016 - pubs.aip.org
Large-eddy simulations (LESs) of cryogenic nitrogen injection into a warm environment at
supercritical pressure are performed and real-gas thermodynamics models and subgrid …

Subgrid-scale modeling for implicit large eddy simulation of compressible flows and shock-turbulence interaction

S Hickel, CP Egerer, J Larsson - Physics of Fluids, 2014 - pubs.aip.org
We derive and analyze a model for implicit Large Eddy Simulation (LES) of compressible
flows that is applicable to a broad range of Mach numbers and particularly efficient for LES …

Low-frequency unsteadiness mechanisms in shock wave/turbulent boundary layer interactions over a backward-facing step

W Hu, S Hickel, BW Van Oudheusden - Journal of Fluid Mechanics, 2021 - cambridge.org
The low-frequency unsteady motions behind a backward-facing step (BFS) in a turbulent
flow at are investigated using a well-resolved large-eddy simulation. The instantaneous flow …

Three dimensional CFD investigation of shock train structure in a supersonic nozzle

R Kamali, SM Mousavi, AR Binesh - Acta Astronautica, 2015 - Elsevier
In the present work, the shock train structure in a convergent-divergent nozzle is investigated
using large eddy simulation (LES) methodology based on different subgrid models …

Large eddy simulation of pseudo shock structure in a convergent–long divergent duct

SM Mousavi, R Kamali, F Sotoudeh, N Karimi… - … & Mathematics with …, 2021 - Elsevier
In this paper, the Pseudo shock structure in a convergent–long divergent duct is investigated
using large eddy simulation on the basis of Smagorinsky–Lilly,​ Wall-Adapting Local Eddy …

On the transition between regular and irregular shock patterns of shock-wave/boundary-layer interactions

J Matheis, S Hickel - Journal of Fluid Mechanics, 2015 - cambridge.org
The reflection of strong oblique shock waves at turbulent boundary layers is studied
numerically and analytically. A particular emphasis is put on the transition between regular …

Numerical investigation on three-dimensional shock train structures in rectangular isolators

F Gnani, H Zare-Behtash, C White, K Kontis - European Journal of …, 2018 - Elsevier
The understanding of the formation of shock trains in high-speed engines is vital for the
improvement of engine design. The formation of these flow structures in a narrow duct …

Supersonic Microwave Plasma: Potential and Limitations for Energy-Efficient CO2 Conversion

V Vermeiren, A Bogaerts - The Journal of Physical Chemistry C, 2018 - ACS Publications
Supersonic flows provide a high thermodynamic nonequilibrium, which is crucial for energy-
efficient conversion of CO2 in microwave plasmas and are therefore of great interest …

Three-dimensional passive and active control methods of shock wave train physics in a duct

R Kamali, SM Mousavi, D Khojasteh - International Journal of …, 2016 - World Scientific
In the present work, the physics of a three-dimensional shock train in a convergent-divergent
nozzle is numerically investigated. In this regards, the Ansys-Fluent Software with Algebraic …