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 …

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 …

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 modelling of the switching mechanisms of a Coanda fluidic oscillator

S Wang, A Batikh, L Baldas, A Kourta… - Sensors and Actuators A …, 2019 - Elsevier
A Coanda fluidic oscillator has been studied numerically and experimentally to understand
the internal switching mechanism and to estimate the frequency of resulting pulsed jets. 2D …

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 …

Effects of fluidic oscillator nozzle angle on the flowfield and impingement heat transfer

MA Hossain, A Ameri, JW Gregory, J Bons - AIAA Journal, 2021 - arc.aiaa.org
Experimental and numerical investigations were performed to evaluate the effects of the exit
nozzle configuration of a fluidic oscillator on the flowfield and impingement heat transfer …

Separation control with fluidic oscillators in water

HJ Schmidt, R Woszidlo, CN Nayeri… - Experiments in Fluids, 2017 - Springer
The present study assesses the applicability of fluidic oscillators for separation control in
water. The first part of this work evaluates the properties of the fluidic oscillators including …

Drag reduction on a rectangular bluff body with base flaps and fluidic oscillators

HJ Schmidt, R Woszidlo, CN Nayeri… - Experiments in Fluids, 2015 - Springer
The present paper investigates drag reduction on a rectangular bluff body by employing
base flaps and controlling flow separation with fluidic oscillators. Wind tunnel experiments …

Schlieren visualization and analysis of sweeping jet actuator dynamics

D Hirsch, M Gharib - AIAA Journal, 2018 - arc.aiaa.org
An innovative schlieren system design is introduced using two off-the-shelf telescopes
instead of large, expensive lenses or mirrors. Schlieren is used in combination with a high …