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 …

Flow prediction using dynamic mode decomposition with time-delay embedding based on local measurement

Y Yuan, K Zhou, W Zhou, X Wen, Y Liu - Physics of Fluids, 2021 - pubs.aip.org
We develop a method for the prediction of flow fields based on local particle image
velocimetry (PIV) measurement. High spatial resolution can be achieved by focusing PIV on …

Effect of base blowing by a large-scale fluidic oscillator on the bistable wake behind a flat-back Ahmed body

D Veerasamy, AR Tajik, L Pastur, V Parezanović - Physics of Fluids, 2022 - pubs.aip.org
The dynamics of the wake behind a flat-back Ahmed body are modified using a large-scale
fluidic oscillator, aiming at drag reduction and the reflectional symmetry breaking (RSB) …

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 …

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 …

The interaction between a spatially oscillating jet emitted by a fluidic oscillator and a cross-flow

F Ostermann, R Woszidlo, CN Nayeri… - Journal of Fluid …, 2019 - cambridge.org
This experimental study investigates the fundamental flow field of a spatially oscillating jet
emitted by a fluidic oscillator into an attached cross-flow. Dominant flow structures, such as …

[HTML][HTML] Drag reduction of a generic transport vehicle model using a fluidic oscillator

TI Khan, AR Tajik, V Parezanovic - International Journal of Thermofluids, 2022 - Elsevier
Base blowing is performed using a sweeping jet actuator centrally located at the base of a
square-back Ahmed body. Drag reduction along with a significant effect in terms of wake …

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 …