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 …

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 …

Concept of self-excited unsteady flow control on a compressor blade and its preliminary proof by numerical simulation

W Lu, Y Jiao, X Fu - Aerospace Science and Technology, 2022 - Elsevier
This paper presents a new concept of self-excited unsteady flow control technique on a
compressor blade using a passive fluidic oscillator. This concept, as an unsteady flow …

A continuously scanning spatiotemporal averaging method for obtaining volumetric mean flow measurements with stereoscopic PIV

F Zigunov, S Seckin, R Huss, C Eggart, F Alvi - Experiments in Fluids, 2023 - Springer
In this study, a variation of the stacked stereoscopic PIV technique is proposed to perform
fully volumetric (3-dimensions, 3-components) measurements of average flow fields within a …

Pulsed jet phase-averaged flow field estimation based on neural network approach

C Ott, C Pivot, P Dubois, Q Gallas, J Delva… - Experiments in …, 2021 - Springer
Single hot-wire velocity measurements have been conducted along a three-dimensional
measurement grid to capture the flow-field induced by a 45^ ∘∘ inclined slotted pulsed jet …

[PDF][PDF] On the Impact of Geometry Scaling and Mass Flow Rate on the Frequency of a Sweeping Jet Actuator.

BJ Slupski, AR Tajik, VB Parezanović… - FME …, 2019 - pdfs.semanticscholar.org
This paper presents an experimental and numerical study of the sweeping jet oscillation
frequency which is a crucial parameter for effective separation control. Measurements of the …

Interaction between a crossflow and a spatially oscillating jet at various angles

F Ostermann, R Woszidlo, CN Nayeri, CO Paschereit - AIAA Journal, 2020 - arc.aiaa.org
The quasi-time-resolved flowfields of spatially oscillating jets emitted by fluidic oscillators at
various installation angles, velocity ratios, and oscillation frequencies are examined …

[HTML][HTML] Experimental study of corner separation and unsteady characteristics in linear compressor cascades with and without sweeping jet actuator

SW Chen, WH Li, C Xu, QH Meng - Propulsion and Power Research, 2024 - Elsevier
Sweeping jet actuator (SJA) has been widely applied for active flow control in open flows. In
this paper, the SJA character in compressor cascade and its performance for separation …