[HTML][HTML] 高雷诺数壁湍流的研究进展及挑战

郑晓静, 王国华 - 力学进展, 2020 - lxjz.cstam.org.cn
高雷诺数壁湍流(high Reynolds number wall-bounded turbulence, HRNWT)
是目前湍流科学研究的一个热点也是一个难点, 对其现象, 规律及机制的认知不足 …

Predicting the near-wall velocity of wall turbulence using a neural network for particle image velocimetry

H Wang, Z Yang, B Li, S Wang - Physics of Fluids, 2020 - pubs.aip.org
Near-wall velocity prediction for wall-bounded turbulence is useful for constructing a wall
model and estimating dissipation and wall shear stress. A convolutional neural network is …

Reynolds number effect on drag control via spanwise wall oscillation in turbulent channel flows

J Yao, X Chen, F Hussain - Physics of Fluids, 2019 - pubs.aip.org
The effect of Reynolds number (Re τ) on drag reduction using spanwise wall oscillation is
studied through direct numerical simulation of incompressible turbulent channel flows with …

Wall shear stress, pressure and heat flux fluctuations in compressible wall-bounded turbulence. II. Spectra, correlation and nonlinear interactions

M Yu, PX Liu, YL Fu, ZG Tang, XX Yuan - Physics of Fluids, 2022 - pubs.aip.org
Wall shear stress, pressure, and heat flux are of significant importance in engineering
applications. In this two-part study, we investigate the compressibility effects on wall shear …

A comparative study on the large-scale-resolving capability of wall-modeled large-eddy simulation

L Wang, R Hu, X Zheng - Physics of Fluids, 2020 - pubs.aip.org
Wall-modeled large-eddy simulation (WMLES) could be a useful predictive tool in high-
Reynolds-number wall-bounded turbulent flows that are ubiquitous in nature and …

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 …

Modeling the resuspension of small inertial particles in turbulent flow over a fractal-like multiscale rough surface

R Hu, PL Johnson, C Meneveau - Physical Review Fluids, 2023 - APS
Particle entrainment into a turbulent boundary layer flow is a phenomenon of great
importance to many environmental and industrial processes. This paper introduces a …

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 …

Numerical simulation study on the structure optimization of liquid separation device in supersonic separator

C Han, W Jiang, Y Liu, Z Hu, ZY Dou - Separation Science and …, 2023 - Taylor & Francis
The effect of the supersonic separator on the condensation characteristics and fluid
separation efficiency is not clear, and the structure of the liquid separation device still has …

Modelling smooth-and transitionally rough-wall turbulent channel flow by leveraging inner–outer interactions and principal component analysis

S Wu, KT Christensen, C Pantano - Journal of Fluid Mechanics, 2019 - cambridge.org
Direct numerical simulations (DNS) of turbulent channel flow over rough surfaces, formed
from hexagonally packed arrays of hemispheres on both walls, were performed at friction …