Acoustic measurement of additive manufactured concentric tube reverse flow resonators

S, Suryakumar and Date, Mahendra D and Balide, Venkatesham and et al, . (2019) Acoustic measurement of additive manufactured concentric tube reverse flow resonators. Mechanics of Advanced Materials and Structures, 26 (1). pp. 56-61. ISSN 1537-6494

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Abstract

This study investigates acoustic properties of additive manufactured (AM) concentric tube reverse flow (RF) resonators where acoustic attenuation with smaller sample length is achieved by increasing effective travel length of acoustic waves within a structure. The theoretical modeling based on narrow tube theory has been proposed to predict absorption coefficient, while numerical estimation of absorption coefficient is carried out using finite element method (FEM). The predicted theoretical and numerical results are found to be in good agreement with measured results in impedance tube, thus demonstrating its potential in achieving low frequency attenuation with compact size structures.

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IITH Creators:
IITH CreatorsORCiD
S, Suryakumarhttp://orcid.org/0000-0001-6015-7593
Balide, VenkateshamUNSPECIFIED
Item Type: Article
Uncontrolled Keywords: Indexed in Scopus and WoS
Subjects: Physics > Mechanical and aerospace
Divisions: Department of Mechanical & Aerospace Engineering
Depositing User: Library Staff
Date Deposited: 18 Oct 2019 04:07
Last Modified: 18 Oct 2019 04:07
URI: http://raiith.iith.ac.in/id/eprint/6538
Publisher URL: http://doi.org/10.1080/15376494.2018.1534163
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