Fundamental properties of fluidic oscillators for flow control applications

R Woszidlo, F Ostermann, HJ Schmidt - AIAA Journal, 2019 - arc.aiaa.org
The presented work provides a technical summary of the fundamental time-resolved
properties of a spatially oscillating jet emitted by a fluidic oscillator. The discussion focuses …

Control of afterbody vortices from a slanted-base cylinder using sweeping jets

X Chen, S Zhong, O Ozer, A Weightman - Physics of Fluids, 2022 - pubs.aip.org
In this paper, a sweeping jet is applied to control the afterbody vortices behind a slanted-
base cylinder for the first time at Reynolds numbers from 87 000 to 200 000. The control …

Flow dynamics of a fluidic oscillator with internal geometry variations

X Wen, Z Li, L Zhou, C Yu, Z Muhammad, Y Liu… - Physics of …, 2020 - pubs.aip.org
An experimental study is conducted to examine the impact of internal geometry of a fluidic
oscillator on its working mechanisms, ie, the widths of the inlet wedge W 1, mixing chamber …

Influence of jet flow on the hydrodynamic and noise performance of propeller

H Guo, C Guo, J Hu, J Lin, X Zhong - Physics of Fluids, 2021 - pubs.aip.org
The non-uniformity of the propeller wake field will lead to noise deterioration and structural
strength problems of the underwater vehicles. Therefore, the study of jet flow technology is of …

Drag reduction of a slanted-base cylinder using sweeping jets

X Chen, S Zhong, O Ozer, A Weightman - Physics of Fluids, 2022 - pubs.aip.org
In this work, a pair of sweeping jet actuators is installed underneath the endplate of a slanted-
base cylinder at Re D= 200 000. The sweeping jets form a 30 inclined angle with the …

On the unsteady interactions between a sweeping jet and afterbody vortices

X Chen, S Zhong, O Ozer, A Weightman, G Gao - Physics of Fluids, 2023 - pubs.aip.org
In this paper, a sweeping jet was applied to control the afterbody vortices behind a 30
slanted-base cylinder at a Reynolds number of 87 000. Phase-locked stereo particle image …

Recent Advances in Heat Transfer Applications Using Sweeping Jet Fluidic Oscillators

R Abdelmaksoud, T Wang - … Journal of Energy for a Clean …, 2023 - dl.begellhouse.com
The passive sweeping jet fluidic oscillators are a promising potential candidate in heat
transfer applications such as gas turbine cooling, electronic components cooling, and heat …

Thermal pollution level reduction by sweeping jet-based enhanced heat dissipation: A numerical study with calibrated Generalized k-ω (GEKO) model

Z Li, Y Liu, W Zhou, X Wen, Y Liu - Applied Thermal Engineering, 2022 - Elsevier
Thermal pollution is commonly the damage to natural ecosystems caused by industrial water
discharge into the environment above ambient temperature. The highly efficiently dissipative …

Leading-edge active flow control enabled by curved fluidic oscillators

A Spens, AP Pisano, JP Bons - AIAA Journal, 2023 - arc.aiaa.org
A new design of fluidic oscillator, in which the oscillator is curved along its primary flow
direction, allows for a sweeping jet to be placed near the leading edge of a wing as an active …

Influence of jet parameters of fluidic oscillator-type fuel injector on the mixing performance in a supersonic flow field

S Lee, TS Roh, HJ Lee - Aerospace Science and Technology, 2023 - Elsevier
Numerical analyses are performed to clarify the influence of jet parameters, ie, the sweeping
jet angle and oscillation frequency, of a fluidic oscillator on the mixing performance …