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 …

Accurately predicting turbulent heat transfer over rough walls: a review of measurement equipment and methods

W Abu Rowin, Y **a, S Wang, N Hutchins - Experiments in Fluids, 2024‏ - Springer
Studying turbulent heat transfer over rough surfaces is vital for enhancing heat transfer
efficiency in various practical applications. This research presents an in-depth examination …

Velocity and temperature scalings leading to compressible laws of the wall

PG Huang, GN Coleman, PR Spalart… - Journal of Fluid …, 2023‏ - cambridge.org
We exploit the similarity between the mean momentum equation and the mean energy
equation and derive transformations for mean temperature profiles in compressible wall …

Turbulence in a heated pipe at supercritical pressure

J He, R Tian, PX Jiang, S He - Journal of Fluid Mechanics, 2021‏ - cambridge.org
The purpose of this research is to provide a new understanding of the turbulence dynamics
in a heated flow of fluid at supercritical pressure. A unified explanation has been established …

Structure of the thermal boundary layer in turbulent channel flows at transcritical conditions

J Guo, XIA Yang, M Ihme - Journal of Fluid Mechanics, 2022‏ - cambridge.org
Enhanced fluctuations, steep gradients, and intensified heat transfer are characteristics of
wall-bounded turbulence at transcritical conditions. Although such conditions are prevalent …

Multiscale flow topologies in microconfined high-pressure transcritical fluid turbulence

G Barea, N Masclans, L Jofre - Physical Review Fluids, 2023‏ - APS
The topology of multiscale turbulent motions in a high-pressure transcritical channel flow is
studied using direct numerical simulations. In particular, the system analyzed corresponds to …

[HTML][HTML] Flow regime analysis of high-pressure transcritical fluids in microducts

C Monteiro, L Jofre - International Journal of Heat and Mass Transfer, 2024‏ - Elsevier
Microduct flows are known for their inherent laminar regimes resulting from the characteristic
small dimensions and low velocities. In this regard, direct numerical simulations are …

Structure of wall-bounded flows at transcritical conditions

PC Ma, XIA Yang, M Ihme - Physical Review Fluids, 2018‏ - APS
At transcritical conditions, the transition of a fluid from a liquidlike state to a gaslike state
occurs continuously, which is associated with significant changes in fluid properties …

Mean velocity and temperature scaling for near-wall turbulence with heat transfer at supercritical pressure

T Wan, P Zhao, J Liu, C Wang, M Lei - Physics of Fluids, 2020‏ - pubs.aip.org
Compared with conventional gaseous and liquid fluids, fluids operating at supercritical
pressure undergo drastic variations in thermophysical properties within a small temperature …

Relaminarized and recovered turbulence under nonuniform body forces

S Pandey, X Chu, B Weigand, E Laurien… - Physical Review …, 2020‏ - APS
Turbulence in a wall-bounded flow of supercritical fluid can be significantly modulated by
nonuniform body forces. This study presents direct numerical simulations performed with a …