Numerical Optimization of Liner Impedance in Acoustic Duct

6533b85bfe1ef96bd12bad0a

RESEARCH PRODUCT

Numerical Optimization of Liner Impedance in Acoustic Duct

Emanuele De Bono Maxime Volery Matthias Perez Manuel Collet Morvan Ouisse Jacky Mardjono Gaël Matten Hervé Lissek Kevin Billon Edouard Salze

subject

[SPI.ACOU]Engineering Sciences [physics]/Acoustics [physics.class-ph]Turbulence Noise emission Computer science [SPI.MECA.STRU]Engineering Sciences [physics]/Mechanics [physics.med-ph]/Structural mechanics [physics.class-ph]Acoustics Duct (flow)Maximization [PHYS.MECA]Physics [physics]/Mechanics [physics]Process complexity Electrical impedance Parametric statistics

description

Abstract The SALUTE project aims at evaluating performance of metacomposites for acoustic smart lining in grazing turbulent flow. Theoretical and numerical investigations are carried out for designing innovative specimen. A specific focus is placed in the realization of prototypes for evaluating the metacomposite liner performances in 2D and 3D liners, its process complexity and robustness. The insight gain in this project is new tools for obtaining innovative samples; the acoustical experimental tests demonstrate efficiency and robustness of such technology for controlling UHBR noise emission. This paper is focused on parametric study based on the maximization of the absorption coefficient in a duct by optimizing the impedance of a treated area.

year	journal	country	edition	language
2020-09-15	ASME 2020 Conference on Smart Materials, Adaptive Structures and Intelligent Systems

10.1115/smasis2020-2435 http://dx.doi.org/10.1115/smasis2020-2435

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