[HTML][HTML] A review on turbulent flow over rough surfaces: Fundamentals and theories
Surface roughness can significantly influence the fluid dynamics and heat transfer in
convective flows by inducing perturbations in the velocity profile which affect surface drag …
convective flows by inducing perturbations in the velocity profile which affect surface drag …
Predicting the drag of rough surfaces
Reliable full-scale prediction of drag due to rough wall-bounded turbulent fluid flow remains
a challenge. Currently, the uncertainty is at least 10%, with consequences, for example, on …
a challenge. Currently, the uncertainty is at least 10%, with consequences, for example, on …
A review of turbulent skin-friction drag reduction by near-wall transverse forcing
The quest for reductions in fuel consumption and CO 2 emissions in transport has been a
powerful driving force for scientific research into methods that might underpin drag-reducing …
powerful driving force for scientific research into methods that might underpin drag-reducing …
Large-eddy simulation of the atmospheric boundary layer
Over the last 50 years the large-eddy simulation (LES) technique has developed into one of
the most prominent numerical tools used to study transport processes in the atmospheric …
the most prominent numerical tools used to study transport processes in the atmospheric …
[HTML][HTML] Marine drag reduction of shark skin inspired riblet surfaces
YF Fu, CQ Yuan, XQ Bai - Biosurface and Biotribology, 2017 - Elsevier
Shark skin inspired riblet surfaces have been known to have drag reduction effect for the
over past 40 years. It first drew the attention from the aircraft industry. With the property of low …
over past 40 years. It first drew the attention from the aircraft industry. With the property of low …
Numerical and experimental study of mechanisms responsible for turbulent secondary flows in boundary layer flows over spanwise heterogeneous roughness
We study the dynamics of turbulent boundary layer flow over a heterogeneous topography
composed of roughness patches exhibiting relatively high and low correlation in the …
composed of roughness patches exhibiting relatively high and low correlation in the …
Effects of spanwise spacing on large-scale secondary flows in rough-wall turbulent boundary layers
Large-scale secondary flows can sometimes appear in turbulent boundary layers formed
over rough surfaces, creating low-and high-momentum pathways along the surface (Barros …
over rough surfaces, creating low-and high-momentum pathways along the surface (Barros …
Observations of turbulent secondary flows in a rough-wall boundary layer
The characteristics of a turbulent boundary layer overlying a complex roughness topography
were explored with stereo particle-image velocimetry measurements in the wall-normal …
were explored with stereo particle-image velocimetry measurements in the wall-normal …
Impact of spanwise effective slope upon rough-wall turbulent channel flow
Whereas streamwise effective slope (surfaces in this study can lead to diminished levels of
outer-layer similarity in both mean flow and turbulence statistics, which is attributed to …
outer-layer similarity in both mean flow and turbulence statistics, which is attributed to …
Drag reduction of turbulent boundary layer over sawtooth riblet surface with superhydrophobic coat
J Hu, Z Yao - Physics of Fluids, 2023 - pubs.aip.org
The application of drag reduction tech holds great significance to energy saving. To achieve
better drag reduction, we investigated the flow characteristics of the turbulent boundary layer …
better drag reduction, we investigated the flow characteristics of the turbulent boundary layer …