Real-time reactive control of stochastic disturbances in forced turbulent jets

IA Maia, P Jordan, AVG Cavalieri, E Martini, K Sasaki… - Physical Review …, 2021 - APS
In this work we perform reactive control of stochastic disturbances in forced turbulent jets
based on destructive interference. The study is motivated by the success of recent studies in …

Instability wave control in turbulent jet by plasma actuators

VF Kopiev, YS Akishev, IV Belyaev… - Journal of Physics D …, 2014 - iopscience.iop.org
Instability waves in the shear layer of turbulent jets are known to be a significant source of jet
noise, which makes their suppression important for the aviation industry. In this study we …

Active control of jet-plate interaction noise for excited jets by plasma actuators

V Kopiev, G Faranosov, O Bychkov, V Kopiev… - Journal of Sound and …, 2020 - Elsevier
This paper examines the possibility of controlling jet-wing interaction noise by plasma
actuators. The low-frequency part of the jet installation noise is considered as produced by …

Studying the effect of flap angle on the noise of interaction of a high-bypass jet with a swept wing in a co-flow

IV Belyaev, MY Zaytsev, VF Kopiev, NN Ostrikov… - Acoustical …, 2017 - Springer
Jet–flap interaction noise for a small-scale swept wing model of a trendsetter plane has
been studied experimentally, with a double-stream nozzle installed nearby. The effect of the …

Wave cancellation in jets with laminar and turbulent boundary layers: The effect of nonlinearity

IA Maia, P Jordan, AVG Cavalieri - Physical Review Fluids, 2022 - APS
This paper presents a study on wave cancellation in forced jets. Building on recent work on
real-time control of forced turbulent jets by Maia et al.[Phys. Rev. Fluids 6, 123901 (2021) …

Subsonic jet noise suppression by a corrugated nozzle.

V Kopiev, M Zaytsev, N Ostrikov - Acoustical Physics, 2013 - search.ebscohost.com
Subsonic Jet Noise Suppression by a Corrugated Nozzle Page 1 ISSN 1063 7710, Acoustical
Physics, 2013, Vol. 59, No. 2, pp. 207–209. © Pleiades Publishing, Ltd., 2013. Original …

Flow and mixing characteristics of dual parallel plane jets subject to acoustic excitation

S Kumar, RF Huang, CM Hsu - European Journal of Mechanics-B/Fluids, 2021 - Elsevier
The effects of jet pulsation intensity and excitation Strouhal number on the flow and
dispersion characteristics of dual parallel plane jets at a low Reynolds number of 200 were …

Closed-loop control of forced turbulent jets

IA Maia, P Jordan, AVG Cavalieri, E Martini… - arXiv preprint arXiv …, 2020 - arxiv.org
Closed-loop control of turbulent flows is a challenging problem with important practical and
fundamental implications. We perform closed-loop control of forced, turbulent jets based on …

Plasma-based active closed-loop control of instability waves in unexcited turbulent jet. Part 2. Installed jet.

V Kopiev, G Faranosov, VA Kopiev… - 25th AIAA/CEAS …, 2019 - arc.aiaa.org
The paper considers the possibility of controlling jet-wing interaction noise based on the
results obtained for free jet in the Part I of the study. 1 The main idea is connected with the …

Flight effects on turbulent-jet wave packets

LFM Soares, AVG Cavalieri, V Kopiev, G Faranosov - AIAA Journal, 2020 - arc.aiaa.org
An investigation is carried out to evaluate how an external uniform stream affects turbulent-
jet coherent structures. The presence of this uniform stream outside the jet represents the …