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 …

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 …

Thermal pollution level reduction by sweeping jet-based enhanced heat dissipation: A numerical study with calibrated Generalized k-ω (GEKO) model

Z Li, Y Liu, W Zhou, X Wen, Y Liu - Applied Thermal Engineering, 2022 - Elsevier
Thermal pollution is commonly the damage to natural ecosystems caused by industrial water
discharge into the environment above ambient temperature. The highly efficiently dissipative …

Phase-synchronized fluidic oscillator pair

MN Tomac, JW Gregory - AIAA Journal, 2019 - arc.aiaa.org
The relative phase of oscillating jets from a pair of fluidic oscillators was synchronized in this
work. The means for this synchronization was mutual interaction through a shared feedback …

Comparison between fluidic oscillators and steady jets for separation control

C Otto, P Tewes, JC Little, R Woszidlo - AIAA Journal, 2019 - arc.aiaa.org
An experimental study was conducted to compare performance and efficiency between
fluidic oscillators and steady jets with respect to commonly used flow control coefficients for …

Aspect ratio and combined installation in fluidic oscillator-crossflow interactions

OP Ayeni, B Cleton - Physics of Fluids, 2022 - pubs.aip.org
This paper describes a computational study of fluidic oscillator-crossflow interactions. Fluidic
oscillators are high potential active flow control devices, which offer promise for cooling and …

Lift augmentation potential of the circulation control wing driven by sweeping jets

Z Li, Y Liu, W Zhou, S Wang, X Wen, Y Liu - AIAA Journal, 2022 - arc.aiaa.org
Circulation control (CC) is an airfoil lift augmentation technique that replaces mechanical
structures by means of aerodynamic flaps generated by high-speed jets. In view of the high …

Synchronization and flow characteristics of the opposed facing oscillator pair in back-to-back configuration

ET Sundström, MN Tomac - Flow, Turbulence and Combustion, 2020 - Springer
This study quantifies the flow characteristics of an opposed facing fluidic oscillator pair that
was arranged in a back-to-back configuration. The objective was to obtain two synchronized …

Comparison of various fluidic oscillators for separation control on a wall-mounted hump

C Otto, P Tewes, JC Little, R Woszidlo - AIAA Scitech 2019 Forum, 2019 - arc.aiaa.org
Various fluidic oscillators were tested on a model of the NASA hump geometry in support of
the development of active flow control technology. Time-averaged pressure measurements …

Aeroacoustic characteristics of a synchronized fluidic oscillator

E Sundström, MN Tomac - Flow, Turbulence and Combustion, 2021 - Springer
A new opposite facing oscillator pair is presented where shared feedback channels enable
synchronized sweeping of the exiting jets. The design has no moving parts and the oscillator …