ZDES of jets aeroacoustics: recent progress with unstructured grids and challenges

F Gand, M Huet, T Renaud, F Sartor - AIAA AVIATION 2023 Forum, 2023 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2023-4484. vid This paper presents
scale resolving simulations for jet noise prediction of configurations of increasing complexity …

[HTML][HTML] Aeroacoustics research in Europe: The CEAS-ASC report on 2020 & 2021 highlights

AB Nagy, J Delfs, GJ Bennett - Journal of Sound and Vibration, 2022 - Elsevier
Abstract The Council of European Aerospace Societies (CEAS) Aeroacoustics Specialists
Committee (ASC) supports and promotes the interests of the scientific and industrial …

Pulse volume discharge behind shock wave in channel flow with obstacle

IA Znamenskaya, DI Dolbnya, IE Ivanov, TA Kuli-zade… - Acta Astronautica, 2022 - Elsevier
Action of the localized pulse energy input on the supersonic channel flow around and
downstream the obstacle was studied. The pulsed volume discharge with preionization via …

Fundamental investigation using active plasma control to reduce blade–vortex interaction noise

TK Patel, AJ Lilley, W Shen, C Porrello… - International …, 2021 - journals.sagepub.com
Blade vortex interaction noise is a problematic and dominant component of rotor noise.
Plasma actuators strategically placed at the tip of the rotor blades can reduce the strength of …

Active control of jet–wing interaction noise using plasma actuators in a narrow frequency band

VF Kopiev, OP Bychkov, VA Kopiev, GA Faranosov… - Acoustical …, 2023 - Springer
For a jet located near the wing, instability waves present in jet mixing layer scatter on the
wing trailing edge, leading to additional noise generation. In this article, the possibility of …

Research on jet noise characteristics of aeroengine double S-bend nozzles with different cross sections

J Shao, X Mo, Z Zheng, Y Yang - … of Numerical Methods for Heat & …, 2022 - emerald.com
Research on jet noise characteristics of aeroengine double S-bend nozzles with different cross
sections | Emerald Insight Books and journals Case studies Expert Briefings Open Access …

Real-Time Estimation of Jet-Surface Interaction Noise

M Mancinelli, P Jordan, A Lebedev - Flow, Turbulence and Combustion, 2024 - Springer
Motivated by the growing concerns for the noise emissions generated by the interaction
between the engine jet and the airframe surfaces consequent to the progressive increase of …

Pulsed discharge-induced high-speed flow near a dielectric ledge

DI Tatarenkova, EY Koroteeva, TA Kuli-zade… - Experiments in …, 2021 - Springer
We report on the effect of nanosecond surface sliding discharge glow redistribution near a
dielectric ledge and high-speed post-discharge flow dynamics. The discharge energy …

Exploring flexible trailing edge properties to reduce installed jet noise in a jet-plate configuration

M Mancinelli, P Jordan, A Lebedev… - 28th AIAA/CEAS …, 2022 - arc.aiaa.org
The increasing size of the aircraft engines is leading to reconsider their conventional under-
wing installation due to the significant rise of noise emissions associated with the interaction …

Modeling closed-loop control of installation noise using Ginzburg-Landau equation

U Karban, E Martini, P Jordan - arXiv preprint arXiv:2303.03176, 2023 - arxiv.org
Installation noise is a dominant source associated with aircraft jet engines. Recent studies
show that linear wavepacket models can be employed for prediction of installation noise …