Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/65549
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dc.contributorDepartment of Building Services Engineeringen_US
dc.creatorYu, HMen_US
dc.creatorTang, SKen_US
dc.date.accessioned2017-05-22T02:08:50Z-
dc.date.available2017-05-22T02:08:50Z-
dc.identifier.issn0003-682Xen_US
dc.identifier.urihttp://hdl.handle.net/10397/65549-
dc.language.isoenen_US
dc.publisherPergamon Pressen_US
dc.rights© 2016 Elsevier Ltd. All rights reserved.en_US
dc.rights© 2016. This manuscript version is made available under the CC-BY-NC-ND 4.0 license https://creativecommons.org/licenses/by-nc-nd/4.0/en_US
dc.rightsThe following publication Yu, H. M., & Tang, S. K. (2017). Low frequency interactions between coupled narrow sidebranch arrays and the resulted sound transmission losses. Applied Acoustics, 117, 51-60 is available at https://doi.org/10.1016/j.apacoust.2016.10.020en_US
dc.subjectLow frequency duct noiseen_US
dc.subjectSilencing deviceen_US
dc.subjectSound transmission lossen_US
dc.titleLow frequency interactions between coupled narrow sidebranch arrays and the resulted sound transmission lossesen_US
dc.typeJournal/Magazine Articleen_US
dc.identifier.spage51en_US
dc.identifier.epage60en_US
dc.identifier.volume117en_US
dc.identifier.issuept. Aen_US
dc.identifier.doi10.1016/j.apacoust.2016.10.020en_US
dcterms.abstractThe low frequency sound interactions between coupled narrow sidebranch arrays installed in an infinitely long rectangular duct are investigated numerically using the finite-element method in the present study. The corresponding transmission losses achieved these coupled sidebranch arrays are also examined. The interactions between the coupled sidebranch arrays result in both dipole-like and quadrupole-like radiations into the main duct. Results show that the coupling of two sidebranch arrays of different sidebranch length series side-by-side on one side of the duct wall can improve the performance in term of spectral uniformity of sound transmission loss compared with the cases where only one array covers the whole spanwise width of the duct. The installation of two coupled arrays on opposite sides of the duct cross-section improves the magnitudes of the sound transmission loss in general. The performance of the coupled array system can be further enhanced by removing the separating wall between sub-arrays of one of the coupled sidebranch arrays. It is also found that reversing the sidebranch arrangement of one of the coupled arrays is detrimental to the low frequency performance of the array system.en_US
dcterms.accessRightsopen accessen_US
dcterms.bibliographicCitationApplied acoustics, Feb. 2017, v. 117, pt. A, p. 51-60en_US
dcterms.isPartOfApplied acousticsen_US
dcterms.issued2017-02-
dc.identifier.isiWOS:000390075000006-
dc.identifier.scopus2-s2.0-84997216935-
dc.identifier.ros2016006075-
dc.identifier.eissn1872-910Xen_US
dc.identifier.rosgroupid2016005817-
dc.description.ros2016-2017 > Academic research: refereed > Publication in refereed journalen_US
dc.description.validate201804_a bcmaen_US
dc.description.oaAccepted Manuscripten_US
dc.identifier.FolderNumberRGC-B3-0537, BEEE-0651-
dc.description.fundingSourceRGCen_US
dc.description.pubStatusPublisheden_US
dc.identifier.OPUS6698873-
dc.description.oaCategoryGreen (AAM)en_US
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