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 supersonic and hypersonic turbulent boundary layers at moderate-high Reynolds numbers and isothermal wall condition

M Cogo, F Salvadore, F Picano… - Journal of Fluid …, 2022 - cambridge.org
We study the structure of high-speed zero-pressure-gradient turbulent boundary layers up to
friction Reynolds number and heat transfer at the wall are considered. The present …

Linear response analysis of supersonic turbulent channel flows with a large parameter space

X Chen, C Cheng, L Fu, J Gan - Journal of Fluid Mechanics, 2023 - cambridge.org
In this work, the linear responses of turbulent mean flow to both harmonic and stochastic
forcing are investigated for supersonic channel flow. Well-established universal relations are …

Linear-model-based study of the coupling between velocity and temperature fields in compressible turbulent channel flows

C Cheng, L Fu - Journal of Fluid Mechanics, 2023 - cambridge.org
It is generally believed that the temperature and the velocity fields are highly coupled in
compressible wall-bounded turbulence. In the present study, we employ a linear model, ie …

High temperature non-equilibrium flow characteristics of impinging shock/flat-plate turbulent boundary layer interaction at Mach 8.42

C Dai, B Sun, D Zhao, S Zhou, C Zhou, Y Man - Physics of Fluids, 2023 - pubs.aip.org
There are fewer reports on the impinging shock/boundary layer interaction in the high Mach
number and high-temperature flow than that in the supersonic flow. High-temperature flow …

Assessment of heat transfer and Mach number effects on high-speed turbulent boundary layers

M Cogo, U Baù, M Chinappi, M Bernardini… - Journal of Fluid …, 2023 - cambridge.org
High-speed vehicles experience a highly challenging environment in which the freestream
Mach number and surface temperature greatly influence aerodynamic drag and heat …

Direct numerical simulation of a supersonic turbulent boundary layer with hydrogen combustion

C Wang, C Xu - Journal of Fluid Mechanics, 2024 - cambridge.org
The complex behaviours of supersonic turbulent boundary-layer flows interacting with
combustion is explored through the use of direct numerical simulations. The chosen flow …

Progress in the research of hypersonic and highenthalpy boundary layer instabilities and transition

C Xianliang, F Song - Chinese Journal of Theoretical and Applied …, 2022 - lxxb.cstam.org.cn
Boundary layer transition from laminar to turbulence is of vital importance to the design of
hypersonic vehicles. With continuous expansion of flight speed and altitude domains, the …

Reynolds number and wall cooling effects on correlations between the thermodynamic variables in hypersonic turbulent boundary layers

D Xu, J Wang, S Chen - Journal of Fluid Mechanics, 2023 - cambridge.org
The Reynolds number and wall cooling effects on correlations between the thermodynamic
variables are systematically investigated in hypersonic turbulent boundary layers by direct …

Extension of the normal shock wave relations for calorically imperfect gases

CHB Civrais, C White, R Steijl - Shock Waves, 2023 - Springer
An extension to the normal shock relations for a thermally perfect, calorically imperfect gas,
modelling the vibrational excitation with an anharmonic oscillator model and including the …