3D Labyrinthine-type acoustical metamaterial proposals for sound control in architectural applications

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buir.contributor.authorYazıcı, Beyza
buir.contributor.authorGül, Zühre Sü
dc.citation.epage12en_US
dc.citation.spage1en_US
dc.contributor.authorYazıcı, Beyzaen_US
dc.contributor.authorGül, Zühre Süen_US
dc.coverage.spatialMadrid, Spainen_US
dc.date.accessioned2020-01-30T10:10:21Z
dc.date.available2020-01-30T10:10:21Z
dc.date.issued2019-06
dc.departmentDepartment of Architectureen_US
dc.descriptionDate of Conference: 16 -19 June 2019en_US
dc.descriptionConference name: INTER-NOISE 2019 MADRID - 48th International Congress and Exhibition on Noise Control Engineeringen_US
dc.description.abstractThe purpose of this research is to develop alternative 3D labyrinthine-type acoustical metamaterials by utilizing 'space-coiling' for sound control in architectural applications. Acoustical metamaterials have a great potential on their application for building and room acoustics due to their extreme properties in sound absorption and transmission. They can be used as an interior partition, an interior surface layer, and also as a design element. They are advantageous in comparison to the traditional acoustical materials such that by tuning their physical properties more hygienic, lighter or thinner alternatives can be produced. In this research, the design ideas of acoustic metamaterials (AMMs) originate from golden ratio (GR) and web labyrinth (WL). In data collection and analysis, both experimental and theoretical methods are used. As a first step, all design alternatives are modelled in 3D, then are printed out by a CNC 3D printer, finally, the AMMs are tested in impedance tube to observe their acoustical properties. Initial results indicate that WL shows good performance in terms of transmission loss and GR has efficiency for sound absorption in low frequency range. Both options are better than Solid sample. The results indicate the potential of designed alternatives and are supportive for future optimization.en_US
dc.identifier.issn0736-2935
dc.identifier.urihttp://hdl.handle.net/11693/52925
dc.language.isoEnglishen_US
dc.publisherInstitute of Noise Control Engineering(INCE)en_US
dc.source.titleINTER-NOISE and NOISE-CON Congress and Conference Proceedings, InterNoise19en_US
dc.subjectAcoustical metamaterialsen_US
dc.subjectSound absorptionen_US
dc.subjectSound transmissionen_US
dc.title3D Labyrinthine-type acoustical metamaterial proposals for sound control in architectural applicationsen_US
dc.typeConference Paperen_US

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