2D ACTIVE LINER EXPERIMENTAL RESULTS IN ACOUSTIC FLOW DUCT FACILITY

被引：0

作者：

Billon, Kevin ^{[1
]}

Collet, Manuel ^{[1
]}

Salze, Edouard ^{[2
]}

Gillet, Martin ^{[3
]}

Ouisse, Morvan ^{[3
]}

Volery, Maxime ^{[4
]}

Lissek, Herve ^{[4
]}

Mardjono, Jacky ^{[5
]}

机构：

[1] Univ Lyon, Ecole Cent Lyon, LTDS, UMR 5513, F-69134 Ecully, France

[2] Univ Lyon, Ecole Cent Lyon, LMFA, UMR 5509, F-69134 Ecully, France

[3] Univ Bourgogne Franche Comte, FEMTO ST Inst, CNRS, UFC,ENSMM,UTBM,Dept Appl Mech, 24 Rue Epitaphe, F-25000 Besancon, France

[4] Ecole Polytech Fed Lausanne, Signal Proc Lab LTS2, Stn 11, CH-1015 Lausanne, Switzerland

[5] Safran Aircraft Engines, F-75015 Paris, France

来源：

PROCEEDINGS OF ASME 2022 CONFERENCE ON SMART MATERIALS, ADAPTIVE STRUCTURES AND INTELLIGENT SYSTEMS, SMASIS2022 | 2022年

基金：

欧盟地平线“2020”;

关键词：

ELECTROACOUSTIC ABSORBERS; IMPEDANCE CONTROL; MODES;

D O I：

暂无

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

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 active treatments have been tested using the same grazing flow conditions (Mach 0.3) in an aeroacoustic test bench: 1 conventional liner (standard SDOF sandwich panels with honeycomb core) used as reference and a 2D active liner based on an array of electroacoustic absorbers. The grazing flow test campaign comprises acoustics and aerodynamics measurements to characterize the aeroacoustics flow conditions, the membrane behavior, the acoustic impedance and the resulting insertion loss.

引用

页数：6

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