Please use this identifier to cite or link to this item:
http://hdl.handle.net/10397/96109
Title: | Duct noise attenuation using reactive silencer with various internal configurations | Authors: | Yu, X Cheng, L |
Issue Date: | 20-Jan-2015 | Source: | Journal of sound and vibration, 20 Jan. 2015, v. 335, p. 229-244 | Abstract: | The broadband sound attenuation characteristics of expansion chamber silencers can be altered by their internal configuration. Three-dimensional modeling of such systems, especially in the presence of complex internal partitions, remains a challenging task. In order to tackle the system complexity, this paper presents a systematic approach based on the sub-structuring modeling principle, to investigate the effects of several typical silencer configurations and provide guidelines for possible system optimization. Through numerical examples, the effects of various internal arrangements, including the side-branch partitions, multi-chamber partitions, non-symmetric inlet/outlet, and their combined effects are investigated. Numerical predictions show good agreements with both finite element method (FEM) and experiments. Investigations suggest some critical issues and possible solutions for better silencer design. | Publisher: | Academic Press | Journal: | Journal of sound and vibration | ISSN: | 0022-460X | EISSN: | 1095-8568 | DOI: | 10.1016/j.jsv.2014.08.035 | Rights: | © 2014 Elsevier Ltd. All rights reserved. © 2014. This manuscript version is made available under the CC-BY-NC-ND 4.0 license https://creativecommons.org/licenses/by-nc-nd/4.0/ The following publication Yu, X., & Cheng, L. (2015). Duct noise attenuation using reactive silencer with various internal configurations. Journal of sound and vibration, 335, 229-244 is available at https://doi.org/10.1016/j.jsv.2014.08.035. |
Appears in Collections: | Journal/Magazine Article |
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Duct_Noise_Attenuatiusing.pdf | Pre-Published version | 2.21 MB | Adobe PDF | View/Open |
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