Vortex–wall interactions in elliptic im**ing synthetic jets

Y Xu, D Fan, L Wang - Physics of Fluids, 2024 - pubs.aip.org
Vortex structures and flow scenarios of noncircular vortex rings im**ing onto walls were
studied by conducting a large eddy simulation. Three orifice aspect ratios, ARs= 3, 5, and 7 …

Numerical investigation of vortical structures and heat transfer in elliptic im**ing synthetic jets

L Wang, Y Xu, D Fan - International Communications in Heat and Mass …, 2025 - Elsevier
This study aims to understand the mechanism by which vortices influence heat transfer in
noncircular im**ing jets. Large-eddy simulations are conducted for elliptic im**ing …

Noise and Jet Momentum of Synthetic Jet Actuators with Different Orifice Configurations

N Arafa, P Sullivan, A Ekmekci - AIAA Journal, 2024 - arc.aiaa.org
Sound pressure levels and flow characteristics of a synthetic jet actuator (SJA) are
investigated experimentally using the following orifice configurations: a) a slender …

Probing dynamics of elliptical vortex rings via direct vorticity measurements with digital inline holography

J Li, J Hong - Experiments in Fluids, 2024 - Springer
Investigating vorticity dynamics provides an effective way for understanding the fundamental
mechanisms of fluid flows across diverse scales. However, experimental vorticity …

Axis switching in low to moderate aspect ratio rectangular orifice synthetic jets

JC Straccia, JAN Farnsworth - Physical Review Fluids, 2021 - APS
The dynamics of finite-span vortex rings expelled from a synthetic jet actuator is studied
experimentally using stereoscopic particle image velocimetry as well as being modeled with …

Large eddy simulation of rectangular synthetic jets and insights into vortex bifurcation dynamics

A Kumar, RK Donga, A Karn - Journal of Visualization, 2025 - Springer
This study examines the fluid dynamics of rectangular orifice synthetic jets using large eddy
simulation (LES) with the Smagorinsky–Lilly model, performed in ANSYS Fluent with water …

Effects of Aspect Ratio on Vortex Dynamics in Starting Rectangular Jets

H Zheng, L Gao, SCM Yu - AIAA Journal, 2023 - arc.aiaa.org
The vortex dynamics of starting rectangular jets with aspect ratios of 1, 4, 8, and 10 is
investigated numerically at Reynolds number of 1000. The 45°-axis-switching for the square …

Lagrangian analysis of bio-inspired vortex ring formation

M Baskaran, K Mulleners - Flow, 2022 - cambridge.org
Pulsatile jet propulsion is a highly energy-efficient swimming mode used by various species
of aquatic animals that continues to inspire engineers of underwater vehicles. Here, we …

Experimental Investigation of the Vortex Dynamics in Synthetic Jets

JC Straccia - 2022 - search.proquest.com
For over two decades, synthetic jet actuators have been investigated by researchers seeking
to understand, develop, and apply active flow control technologies. The enduring interest in …