Analysis of inflow conditions on the flow past a wall-mounted square cylinder with OpenFOAM

M Li, R Wang, X Guo, X Liu, L Wang - Computers & Fluids, 2024 - Elsevier
In this study, the flow mechanisms around wall-mounted structures was numerically
investigated using Large Eddy Simulation (LES). A comparison was made between the …

Turbulent/turbulent interfacial layers of a shearless turbulence mixing layer in temporally evolving grid turbulence

K Nakamura, T Watanabe, K Nagata - Physics of Fluids, 2023 - pubs.aip.org
Turbulent/turbulent interfacial (TTI) layers are investigated with direct numerical simulation of
temporally evolving grid turbulence. The present study considers a temporally evolving …

Vortex ring breakdown dominating the entrainment of a synthetic jet

C Xu, J Wang - Journal of Fluid Mechanics, 2024 - cambridge.org
The understanding of the entrainment mechanism of synthetic jets can help optimise the
synthetic jet actuators in engineering applications. It is generally believed that vortex rings or …

Properties of the turbulent/non-turbulent layer of a turbulent Boussinesq plume: A study using direct numerical simulation

S Rao - Physics of Fluids, 2023 - pubs.aip.org
The turbulent/non-turbulent layer (TNTL) in a turbulent Boussinesq plume is analyzed using
direct numerical simulations. The Reynolds number (Re) used in the simulation, based on …

Entrainment of the shear layer separated from a wall-mounted fence

S Li, J Wang - Journal of Fluid Mechanics, 2024 - cambridge.org
Turbulent entrainment at the turbulent/non-turbulent interface (TNTI) plays an important role
in understanding the turbulent diffusion. While entrainment in fully developed canonical …

The effect of shortfin mako shark skin at the reattachment of a separated turbulent boundary layer

LM Santos, A Lang, R Wahidi, A Bonacci… - Bioinspiration & …, 2024 - iopscience.iop.org
This smooth flat experimental study investigates the capability of mako shark scales to
control flow separation when placed downstream of the onset of turbulent boundary layer …

Scalar interfaces in the near field of a unity velocity ratio coaxial jet

KF Kohan, SJ Gaskin - Physics of Fluids, 2023 - pubs.aip.org
Planar laser-induced fluorescence is employed to investigate the concentration field in the
developing region of a coaxial jet with an annular to inner jet velocity of one. Seeding the …

Entrainment and bulk flow characteristics of heated and unheated transient plumes using direct numerical simulations

S Rao - Physics of Fluids, 2023 - pubs.aip.org
An off-source volumetrically heated turbulent transient plume, known as transient diabatic
plume (TDP), is compared with an unheated transient plume (TP). Both the TDP and TP are …

Effect of Fractal Orifice on Characteristics of Turbulent/Non-turbulent Interface in Synthetic Jet Flow

C Xu, J Wang - IUTAM Symposium on Turbulent/Non-Turbulent …, 2024 - Springer
Synthetic jets with circular and fractal orifices are experimentally investigated using time-
resolved stereoscopic particle image velocimetry. The synthetic jet with circular orifice …

Frequency Effect on Properties of Turbulent/Non-turbulent Interface in Separated and Reattaching Flows Past an Oscillating Fence

S Li, J Wang - IUTAM Symposium on Turbulent/Non-Turbulent …, 2024 - Springer
The turbulent/non-turbulent interface (TNTI) in the separated and reattaching flows induced
by an oscillating fence is experimentally study using particle image velocimetry in this paper …