Applying Bayesian optimization with Gaussian process regression to computational fluid dynamics problems
Bayesian optimization (BO) based on Gaussian process regression (GPR) is applied to
different CFD (computational fluid dynamics) problems which can be of practical relevance …
different CFD (computational fluid dynamics) problems which can be of practical relevance …
About the influences of compressibility, heat transfer and pressure gradients in compressible turbulent boundary layers
This paper presents a comprehensive analysis of the momentum and energy transfer in
compressible turbulent boundary layers based on integral identities. By considering data …
compressible turbulent boundary layers based on integral identities. By considering data …
Wall shear stress and wall heat flux in a supersonic turbulent boundary layer
We report the characteristics of wall shear stress (WSS) and wall heat flux (WHF) from direct
numerical simulation (DNS) of a spatially develo** zero-pressure-gradient supersonic …
numerical simulation (DNS) of a spatially develo** zero-pressure-gradient supersonic …
[HTML][HTML] A new perspective on skin-friction contributions in adverse-pressure-gradient turbulent boundary layers
For adverse-pressure-gradient turbulent boundary layers, the study of integral skin-friction
contributions still poses significant challenges. Beyond questions related to the integration …
contributions still poses significant challenges. Beyond questions related to the integration …
Skin-friction drag reduction by local porous uniform blowing in spatially develo** compressible turbulent boundary layers
R Ma, Z Gao, L Lu, S Chen - Physics of Fluids, 2022 - pubs.aip.org
This paper investigates the effects of local porous uniform blowing on the skin-friction drag
reduction in the spatially develo** compressible turbulent boundary layers through direct …
reduction in the spatially develo** compressible turbulent boundary layers through direct …
Decomposition of the mean friction drag on an NACA4412 airfoil under uniform blowing/suction
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 …
periodic channel and zero-or adverse-pressure-gradient boundary layers, raises the …
On the enhancement of boundary layer skin friction by turbulence: an angular momentum approach
Turbulence enhances the wall shear stress in boundary layers, significantly increasing the
drag on streamlined bodies. Other flow features such as free stream pressure gradients and …
drag on streamlined bodies. Other flow features such as free stream pressure gradients and …
Direct numerical simulation of supersonic turbulent expansion corner with shock im**ement
Z Zhang, F Tong, J Duan, X Li - Physics of Fluids, 2021 - pubs.aip.org
This study conducted a direct numerical simulation of an incident shock wave im**ing at
an angle of 33.2 on a 12 supersonic turbulent expansion corner at Mach 2.25 to determine …
an angle of 33.2 on a 12 supersonic turbulent expansion corner at Mach 2.25 to determine …
Wall-pressure fluctuations in an axisymmetric boundary layer under strong adverse pressure gradient
Measurements of fluctuating wall pressure in a high-Reynolds-number flow over a body of
revolution are described. With a strong axial pressure gradient and moderate lateral …
revolution are described. With a strong axial pressure gradient and moderate lateral …