Progress in physical modeling of compressible wall-bounded turbulent flows

C Cheng, X Chen, W Zhu, W Shyy, L Fu - Acta Mechanica Sinica, 2024 - Springer
Understanding, modeling and control of the high-speed wall-bounded transition and
turbulence not only receive wide academic interests but also are vitally important for high …

Direct numerical simulation of hypersonic turbulent boundary layers: effect of spatial evolution and Reynolds number

J Huang, L Duan, MM Choudhari - Journal of Fluid Mechanics, 2022 - cambridge.org
Direct numerical simulations (DNS) are performed to investigate the spatial evolution of flat-
plate zero-pressure-gradient turbulent boundary layers over long streamwise domains () …

[HTML][HTML] Coherent structures in wall-bounded turbulence

DJC Dennis - Anais da Academia Brasileira de Ciências, 2015 - SciELO Brasil
The inherent difficulty of understanding turbulence has led to researchers attacking the topic
in many different ways over the years of turbulence research. Some approaches have been …

Large-eddy simulation of low-frequency unsteadiness in a turbulent shock-induced separation bubble

E Touber, ND Sandham - Theoretical and computational fluid dynamics, 2009 - Springer
The need for better understanding of the low-frequency unsteadiness observed in shock
wave/turbulent boundary layer interactions has been driving research in this area for several …

Turbulence in supersonic boundary layers at moderate Reynolds number

S Pirozzoli, M Bernardini - Journal of Fluid Mechanics, 2011 - cambridge.org
We study the organization of turbulence in supersonic boundary layers through large-scale
direct numerical simulations (DNS) at, and momentum-thickness Reynolds number up to …

A simple model for low-frequency unsteadiness in shock-induced separation

S Piponniau, JP Dussauge, JF Debieve… - Journal of Fluid …, 2009 - cambridge.org
A model to explain the low-frequency unsteadiness found in shock-induced separation is
proposed for cases in which the flow is reattaching downstream. It is based on the properties …

Direct numerical simulation of hypersonic turbulent boundary layers. Part 3. Effect of Mach number

L Duan, I Beekman, MP Martin - Journal of Fluid Mechanics, 2011 - cambridge.org
In this paper, we perform direct numerical simulations (DNS) of turbulent boundary layers
with nominal free-stream Mach number ranging from 0.3 to 12. The main objective is to …

Direct numerical simulation of hypersonic turbulent boundary layers. Part 2. Effect of wall temperature

L Duan, I Beekman, MP Martin - Journal of Fluid Mechanics, 2010 - cambridge.org
In this paper, we perform direct numerical simulation (DNS) of turbulent boundary layers at
Mach 5 with the ratio of wall-to-edge temperature Tw/Tδ from 1.0 to 5.4 (Cases M5T1 to …

Low-frequency unsteadiness in shock wave–turbulent boundary layer interaction

S Priebe, MP Martín - Journal of Fluid Mechanics, 2012 - cambridge.org
The low-frequency unsteadiness is characterized in the direct numerical simulation of a
shock wave–turbulent boundary layer interaction generated by a compression ramp in Mach …

Analysis of shock motion in shockwave and turbulent boundary layer interaction using direct numerical simulation data

M Wu, MP Martin - Journal of Fluid Mechanics, 2008 - cambridge.org
Direct numerical simulation data of a Mach 2.9, 24○ compression ramp configuration are
used to analyse the shock motion. The motion can be observed from the animated DNS data …