Review of flow-control devices for wind-turbine performance enhancement

MZ Akhter, FK Omar - Energies, 2021 - mdpi.com
It is projected that, in the following years, the wind-energy industry will maintain its rapid
growth over the last few decades. Such growth in the industry has been accompanied by the …

Spectral proper orthogonal decomposition

M Sieber, CO Paschereit… - Journal of Fluid …, 2016 - cambridge.org
The identification of coherent structures from experimental or numerical data is an essential
task when conducting research in fluid dynamics. This typically involves the construction of …

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 …

Properties of a sweeping jet emitted from a fluidic oscillator

F Ostermann, R Woszidlo, CN Nayeri… - Journal of Fluid …, 2018 - cambridge.org
This experimental study investigates the flow field and properties of a sweeping jet emitted
from a fluidic oscillator into a quiescent environment. The aspect ratio of the outlet throat is 1 …

Active control of bluff-body flows using plasma actuators

E Konstantinidis - Actuators, 2019 - mdpi.com
Actuators play an important role in modern active flow control technology. Dielectric barrier
discharge plasma can be used to induce localized velocity perturbations in air, so as to …

Measurement of two-dimensional heat transfer and flow characteristics of an impinging sweeping jet

SH Kim, HD Kim, KC Kim - International Journal of Heat and Mass Transfer, 2019 - Elsevier
This study experimentally explores the two-dimensional heat transfer characteristics of an
impinging sweeping jet generated from a feedback–channel-type fluidic oscillator. The …

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 …

Flow-separation control using sweeping jet actuator

K Kara, D Kim, PJ Morris - AIAA journal, 2018 - arc.aiaa.org
IMPROVED aerodynamic designs and new aerodynamic technologies will play a vital role in
improving the nextgeneration aircraft's performance and contribute strongly to the product …

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 …