Publications de Maxime Volery | EPFL Graph Search

Active control of electroacoustic resonators in the audible regime: control strategies and airborne applications

Hervé Lissek, Romain Christophe Rémy Fleury, Maxime Volery, Matthieu Francis Malléjac

Passive sound mitigation techniques have garnered attention whether for absorption, isolation, reverberation or new wave phenomena observation. In parallel, a wide range of research has been devoted to active control strategies, which complement passive te ...

Springer Science and Business Media LLC2025

Experimental assessment of a programmable Electroacoustic Liner in a representative turbofan facility

Hervé Lissek, Maxime Volery

The Flightpath 2050 European Union stringent regulations for aviation noise reduction, along with the new generation of Ultra-High-Bypass-Ratio turbofans to reduce fuel consumption, significantly challenge the scientific community to find unprecedented aco ...

2025

The Advection Boundary Law in presence of mean flow and plane wave excitation: Passivity, nonreciprocity and enhanced noise transmission attenuation

Hervé Lissek, Maxime Volery

This paper follows a previous publication, where the so-called Advection Boundary Law lining an acoustic waveguide, in absence of mean flow, was studied in terms of its potentials for noise isolation and non-reciprocal propagation. The Advection Boundary L ...

Elsevier BV2025

Smart Acoustic Lining for UHBR Technologies Engine Part 2: acoustic treatment at the intake of a scaled turbofan nacelle

Hervé Lissek, Maxime Volery

The new generation of Ultra-High-By-Pass-Ratio (UHBR) turbofan engine while considerably reducing fuel consumption, threatens higher noise levels at low frequencies because of its larger diameter, lower number of blades and rotational speed. This is accomp ...

American Institute of Aeronautics and Astronautics Inc, AIAA2024

Electro-active acoustic liner for the reduction of turbofan noise

Hervé Lissek, Maxime Volery

An electro-active acoustic liner is used to lower the noise emissions of a turbofan engine. The liner is composed of an array of electro-acoustic absorbers, covered by a wiremesh in order to protect the electrodynamic devices from the flow. The electro-act ...

European Acoustics Association2024

Smart Acoustic Lining for UHBR Technologies Engine Part 1: Design of an Electroacoustic Liner and Experimental Characterization Under Flow in Rectangular Cross-Section Ducts

Hervé Lissek, Maxime Volery

The new generation of Ultra-High-By-Pass-Ratio (UHBR) turbofan engine while considerably reducing fuel consumption, threatens higher noise levels at low frequencies because of its larger diameter, lower number of blades and rotational speed. This is accomp ...

American Institute of Aeronautics and Astronautics2024

Advection Boundary Law for sound transmission attenuation of plane and spinning guided modes

Hervé Lissek, Maxime Volery

Sound attenuation along a waveguide is a highly demanded research field, for applications ranging from heating and air-conditioning ventilation systems, to aircraft turbofan engines. Electroacoustic devices and digital control have provided the tools for c ...

European Acoustics Association2024

Smart acoustic lining for UHBR technologies engine: from the design of an electroacoustic metasurface to experimental characterization under flow

Hervé Lissek, Maxime Volery

The SALUTE project aims at evaluating performance of electroacoustic metasurface, employing a surface array of controlled electroacoustic actuators, for smart acoustic lining under grazing turbulent flow to be used in UHBR Technologies Engines. Theoretical ...

Society of Photo-Optical Instrumentation Engineers (SPIE)2023

Robust tunable acoustic impedance control on electroacoustic resonators for aircraft noise reduction

Maxime Volery

Air traffic noise emissions are responsible for a significant part of the overall environmental noise, especially in the vicinity of airports. Exposure to environmental noise is known to negatively impact health and to be associated with cardiovascular dis ...

EPFL2023

Active Acoustic Su-Schrieffer-Heeger-Like Metamaterial

Hervé Lissek, Romain Christophe Rémy Fleury, Mathieu François Padlewski, Maxime Volery, Xinxin Guo

An acoustic dimer composed of two electronically controlled electroacoustic resonators is presented with the view of exploring one-dimensional topological phenomena. Active control allows real-time manipulation of the metamaterial’s properties, including i ...

American Physical Society (APS)2023

Robust direct acoustic impedance control using two microphones for mixed feedforward-feedback controller

Hervé Lissek, Maxime Volery, Xinxin Guo

This paper presents an acoustic impedance control architecture for an electroacoustic absorber combining both feedforward and feedback microphone-based strategies on a current-driven loudspeaker. Feedforward systems enable good performance for direct imped ...

EDP SCIENCES S A2023

Programmable Electroacoustic Boundaries in Acoustic Waveguides: Enhanced Attenuation and Non-Reciprocal Sound Propagation

Hervé Lissek, Maxime Volery

Sound attenuation along a waveguide is a highly demanded research field, for applications ranging from heating and air-conditioning ventilation systems, to aircraft turbofan engines. Electroacoustic devices and digital control have provided the tools for c ...

Dept. of Mechanical Engineering & Aeronautics University of Patras2023

Plasma based noise reduction system

Hervé Lissek, Maxime Volery, Stanislav Sergeev

An active noise reduction system (2) comprising an electroacoustic plasma transducer (5) for mounting in an installation structure and an acoustic sensing system (11). The electroacoustic plasma transducer comprises a plasma electrode arrangement (6) inclu ...

2023

Effect of time delay on the impedance control of a pressure-based, current-driven Electroacoustic Absorber

Hervé Lissek, Maxime Volery, Thomas Laurence

The pressure-based, current-driven impedance control technique known as “Electroacoustic Absorption” has offered new horizons for room modal equalization at low frequencies, steerable anomalous reflection, acoustic transmission attenuation and non-reciproc ...

2022

PID-like active impedance control for electroacoustic resonators to design tunable single-degree-of-freedom sound absorbers

Hervé Lissek, Maxime Volery, Xinxin Guo

Sound absorption at low frequencies still remains a challenge in both scientific research and engineering practice. Natural porous materials are ineffective in this frequency range, as well as acoustic resonators which present too narrow bandwidth of absor ...

2022

In flow acoustic characterisation of a 2D active liner with local and non local strategies

Hervé Lissek, Maxime Volery, Gaël Matten

The design and the grazing flow aeroacoustical characterization of a 2D active liner based on an array of electroacoustic absorbers are presented in this paper. The strategy stands on a pressure-based, current-driven digital architecture for impedance cont ...

2022

2D ACTIVE LINER EXPERIMENTAL RESULTS IN ACOUSTIC FLOW DUCT FACILITY

Hervé Lissek, Maxime Volery

This paper is focused on experimental characterization of new active liners technologies in acoustic flow duct facilities (FDF). These measurements have been performed in the NLR (Netherlands Aerospace Center). Different configurations of passive and activ ...

Amer Soc Mechanical Engineers2022

Experimental assessment of an active (acoustic) liner prototype in an acoustic flow duct facility

Hervé Lissek, Maxime Volery, Gaël Matten

In this paper, experimental results of broadband noise reduction in an acoustic flow duct are presented. An active liner composed of an array of electroacoustic absorbers is used. The control law is based on the pressure-based, current driven digital archi ...

SPIE2021

Ultra-Wide Band Diversity Antenna for Omnidirectional Coverage

Anja Skrivervik, Maxime Volery, Tatjana Asenov

In this paper, a 41 x 42.2 mm2 ultra-wide band (UWB) diversity antenna is designed to operate in the frequency band 5.45- 7.45 GHz with the isolation better than 15dB. To achieve omnidirectional coverage pattern diversity is applied. The proposed design is ...

The European Association on Antennas and Propagation (EurAAP)2018