Helmholtz Resonator with Extended Neck and Absorbing Material-Reference-Cited by-同舟云学术

Helmholtz Resonator with Extended Neck and Absorbing Material

Published:2011-11 Issue: Volume:141 Page:308-312
ISSN:1662-7482
Container-title:Applied Mechanics and Materials
language:
Short-container-title:AMM

Author:

Bi Rong¹,Liu Zheng Shi¹,Li Kai Ming²,Chen Jun³,Wang Yong¹

Affiliation:

1. Hefei University of Technology

2. Ray W. Herrick Laboratories, Purdue University, 140 S. Martin Jischke Dr., West Lafayette, IN 47907-2031, U.S.A.

3. Ray W. Herrick Laboratories, Purdue University, 140 S. Martin Jischke Dr., West Lafayette, IN 47907-2031, U.S.A

Abstract

The acoustic attenuation of Helmholtz resonator including an extended neck and sound–absorbing materials is investigated in current study. A two-dimensional analytical method based on mode matching method is developed to determine the Transmission loss (TL) of a piston-driven model of Helmholtz resonator. The resonance frequency and Transmission loss predicted from this method show reasonable agreements with published experimental results. Finally, this method is used to examine the effect of length of extended neck, extended neck with/without absorbing material and acoustic properties of sound-absorbing material on acoustic performance of Helmholtz resonator.

Publisher

Trans Tech Publications, Ltd.

Link

https://www.scientific.net/AMM.141.308.pdf

Reference6 articles.

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