Instantaneous wall-shear-stress measurements: advances and application to near-wall extreme events

R Örlü, R Vinuesa - Measurement Science and Technology, 2020 - iopscience.iop.org
In this article we provide an overview of widely used methods to measure the mean and
fluctuating components of the wall-shear stress in wall-bounded turbulent flows. We first note …

About the influences of compressibility, heat transfer and pressure gradients in compressible turbulent boundary layers

C Wenzel, T Gibis, M Kloker - Journal of Fluid Mechanics, 2022 - cambridge.org
This paper presents a comprehensive analysis of the momentum and energy transfer in
compressible turbulent boundary layers based on integral identities. By considering data …

Decomposition of the mean skin-friction drag in compressible turbulent channel flows

W Li, Y Fan, D Modesti, C Cheng - Journal of Fluid Mechanics, 2019 - cambridge.org
The mean skin-friction drag in a wall-bounded turbulent flow can be decomposed into
different physics-informed contributions based on the mean and statistical turbulence …

Direct numerical simulation of spatially developing turbulent boundary layers with uniform blowing or suction

Y Kametani, K Fukagata - Journal of Fluid Mechanics, 2011 - cambridge.org
Direct numerical simulation (DNS) of spatially developing turbulent boundary layer with
uniform blowing (UB) or uniform suction (US) is performed aiming at skin friction drag …

Skin-friction and heat-transfer decompositions in hypersonic transitional and turbulent boundary layers

D Xu, J Wang, S Chen - Journal of Fluid Mechanics, 2022 - cambridge.org
The decompositions of the skin-friction and heat-transfer coefficients based on the twofold
repeated integration in hypersonic transitional and turbulent boundary layers are analysed …

Contributions of different scales of turbulent motions to the mean wall-shear stress in open channel flows at low-to-moderate Reynolds numbers

Y Duan, Q Zhong, G Wang, P Zhang… - Journal of Fluid …, 2021 - cambridge.org
Smooth-walled open channel flow datasets, covering both the direct numerical simulation
and experimental measurements with a friction Reynolds number wavelength ranges are …

Decomposition of the mean friction drag in zero-pressure-gradient turbulent boundary layers

Y Fan, W Li, S Pirozzoli - Physics of Fluids, 2019 - pubs.aip.org
The ability to understand and predict mean friction drag generation in wall-bounded
turbulence is highly desirable in many engineering applications. In this paper, we …

[HTML][HTML] A new perspective on skin-friction contributions in adverse-pressure-gradient turbulent boundary layers

M Atzori, F Mallor, R Pozuelo, K Fukagata… - International Journal of …, 2023 - Elsevier
For adverse-pressure-gradient turbulent boundary layers, the study of integral skin-friction
contributions still poses significant challenges. Beyond questions related to the integration …

Decomposition of the mean friction drag on an NACA4412 airfoil under uniform blowing/suction

Y Fan, M Atzori, R Vinuesa, D Gatti… - Journal of Fluid …, 2022 - cambridge.org
The application of drag-control strategies on canonical wall-bounded turbulence, such as
periodic channel and zero-or adverse-pressure-gradient boundary layers, raises the …

Decomposition of the mean friction drag in adverse-pressure-gradient turbulent boundary layers

Y Fan, W Li, M Atzori, R Pozuelo, P Schlatter… - Physical Review …, 2020 - APS
In this study, we exploit the Renard-Deck identity [J. Fluid Mech. 790, 339 (2016)
10.1017/jfm. 2016.12] to decompose the mean friction drag in adverse-pressure-gradient …