Statistics and dynamics of coherent structures in compressible wall-bounded turbulence

M Yu, SW Dong, XX Yuan, CX Xu - Science China Physics, Mechanics & …, 2024 - Springer
Compressible wall-bounded turbulence is ubiquitously encountered in modern aerospace
and mechanical industries. In this review, we summarize the current state of the literature on …

Predictive models for near-wall velocity and temperature fluctuations in supersonic wall-bounded turbulence

M Yu, C Xu - Journal of Fluid Mechanics, 2022 - cambridge.org
Predictive models for near-wall velocity and temperature fluctuations in compressible wall-
bounded turbulence are developed in the present study based on the model proposed by …

On the generation of near-wall dilatational motions in hypersonic turbulent boundary layers

M Yu, ZS Zhou, SW Dong, XX Yuan… - Journal of Fluid …, 2024 - cambridge.org
Dilatational motions in the shape of travelling wave packets have been identified recently to
be dynamically significant in hypersonic turbulent boundary layers. The present study …

Post-shock turbulence recovery in oblique-shock/turbulent boundary layer interaction flows

M Yu, SW Dong, PX Liu, ZG Tang, XX Yuan… - Journal of Fluid …, 2023 - cambridge.org
The oblique shock impinging on the supersonic turbulent boundary layer leads to a mixing
layer and the emergence of large-scale coherent structures within the interaction zone which …

A scaling improved inner–outer decomposition of near-wall turbulent motions

L Wang, R Hu, X Zheng - Physics of Fluids, 2021 - pubs.aip.org
Near-wall turbulent velocities in turbulent channel flows are decomposed into small-scale
and large-scale components at y+< 100 by improving the predictive inner–outer model of …

Prediction of near-wall turbulence using minimal flow unit

G Yin, WX Huang, CX Xu - Journal of Fluid Mechanics, 2018 - cambridge.org
In the present study, direct numerical simulation (DNS) is carried out in a minimal channel at.
The universal signals for the three velocity components similar to that in the predictive model …

[HTML][HTML] Predicting near-wall turbulence with minimal flow units in compressible turbulent channel flows

YU Ming, FU Yalu, T Zhigong, Y Xianxu… - Chinese Journal of …, 2023 - Elsevier
Mach number effects on the near-wall turbulence in the absence of outer motions remain
unclear so far. The present study extends the Minimal Flow Units (MFUs), a widely applied …

Energy contributions by inner and outer motions in turbulent channel flows

R Hu, X Zheng - Physical Review Fluids, 2018 - APS
The wall-bounded turbulent flows are populated by coherent motions with different scales.
The inner motions (near-wall cycle) have been well recognized in wall turbulence. Since the …

Characterization of very-large-scale motions in supersonic and hypersonic turbulent boundary layers

M Yu, SW Dong, QL Guo, ZG Tang… - Journal of Fluid …, 2024 - cambridge.org
Very-large-scale motions are commonly observed in moderate-and high-Reynolds-number
wall turbulence, constituting a considerable portion of the Reynolds stress and skin friction …

Off-wall boundary conditions for large-eddy simulation based on near-wall turbulence prediction

HN Wang, WX Huang, CX Xu - Physics of Fluids, 2021 - pubs.aip.org
Wall-modeled large-eddy simulation (LES) is currently the only affordable technique toward
the eddy-resolving simulation of high-Reynolds number wall turbulence. Treatment of near …