Closed-loop turbulence control: Progress and challenges

SL Brunton, BR Noack - Applied Mechanics …, 2015 - asmedigitalcollection.asme.org
Closed-loop turbulence control is a critical enabler of aerodynamic drag reduction, lift
increase, mixing enhancement, and noise reduction. Current and future applications have …

A review of fluidic oscillator development and application for flow control

J Gregory, MN Tomac - 43rd AIAA fluid dynamics conference, 2013 - arc.aiaa.org
This review provides a detailed discussion of the historical development of fluidic oscillators
and their application to flow control. Fluidic oscillators were initially developed in the 1960's …

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 …

Jet oscillations and mixing in fluidic oscillators: influence of geometric configuration and scale

K Madane, V Ranade - Industrial & Engineering Chemistry …, 2023 - ACS Publications
Fluidic oscillators (FOs) harness inherently oscillating jets for improving mixing, heat, and
mass transfer and offer an attractive device platform for a wide range of applications. Despite …

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 …

The time-resolved natural flow field of a fluidic oscillator

R Woszidlo, F Ostermann, CN Nayeri… - Experiments in fluids, 2015 - Springer
The internal and external flow field of a fluidic oscillator with two feedback channels are
examined experimentally within the incompressible flow regime. A scaled-up device with a …

Large eddy simulation analysis of the heat transfer enhancement using self-oscillating fluidic oscillators

Y Wu, S Yu, L Zuo - International Journal of Heat and Mass Transfer, 2019 - Elsevier
Using an unsteady jet created by the fluidic oscillator represents many opportunities to
enhance the heat removal performance of impinging jet. Numerical simulations were …

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 …