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 …

Effect of base blowing by a large-scale fluidic oscillator on the bistable wake behind a flat-back Ahmed body

D Veerasamy, AR Tajik, L Pastur, V Parezanović - Physics of Fluids, 2022 - pubs.aip.org
The dynamics of the wake behind a flat-back Ahmed body are modified using a large-scale
fluidic oscillator, aiming at drag reduction and the reflectional symmetry breaking (RSB) …

Drag reduction of a car model by linear genetic programming control

R Li, BR Noack, L Cordier, J Borée, F Harambat - Experiments in Fluids, 2017 - Springer
We investigate open-and closed-loop active control for aerodynamic drag reduction of a car
model. Turbulent flow around a blunt-edged Ahmed body is examined at Re_ H ≈ 3 * 10^ 5 …

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 …

Numerical study of the effect of geometric scaling of a fluidic oscillator on the heat transfer and frequency of impinging sweeping jet

A Joulaei, M Nili-Ahmadabadi, MY Ha - Applied Thermal Engineering, 2023 - Elsevier
In this research, the effects of a new approach of geometric scaling on the heat transfer rate
of a hot plate impinged by a sweeping jet were investigated numerically. In this approach …

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 …

[HTML][HTML] Manipulation of bumpy surface cylinders for flow control and heat transfer improvement

JF Derakhshandeh, R Taher, M Khaled - International Journal of …, 2023 - Elsevier
The present work aims at investigating laminar flow effects over bumped-surface circular
cylinders at Reynolds number≤ 200. Three bumpy cylinder surfaces are considered and …

Numerical investigations on flow over tandem grooved cylinders

JF Derakhshandeh, Y Gharbia, C Ji - Ocean Engineering, 2022 - Elsevier
Flow regulation between two tandem circular cylinders is a key topic in a variety of
engineering applications. The numerical study of laminar flow regimes over two tandem …

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 …