Low-Frequency-Noise Attenuation through Extended-Neck Double-Degree-of-Freedom Helmholtz Resonators

Low-Frequency-Noise Attenuation through Extended-Neck Double-Degree-of-Freedom Helmholtz Resonators

The use of acoustic liners, based on double-degree-of-freedom Helmholtz resonators, for low-frequency-noise attenuation is limited by the volume of individual resonating cavities. This study investigates the effect of the septum neck length on the acoustic performance of double-degree-of-freedom res...

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Bibliographic Details
Main Authors: Abhishek Gautam, Alper Celik, Mahdi Azarpeyvand
Format: Article
Language:English
Published: MDPI AG 2023-12-01
Series:Acoustics
Subjects:
Helmholtz resonator
impedance tube
acoustic liner
Online Access:https://www.mdpi.com/2624-599X/5/4/63

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