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Full-scale metamaterial window for building application

Fusaro, G; Yu, X; Cui, F; Kang, J; (2020) Full-scale metamaterial window for building application. In: INTER-NOISE and NOISE-CON Congress and Conference Proceedings. (pp. pp. 155-162). Institute of Noise Control Engineering Green open access

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Abstract

The research on acoustic metamaterials (AMMs) has progressed rapidly over the last decades. One of the applications is for noise control and airflow in duct-like systems. These are useful features for natural ventilation window design; however, the visual impact between indoor and outdoor environment, as another key factor of windows, makes the existing AMMs not directly useable for this application due to their geometrical complexity and size limitations. In this research, an AMM previously developed by the authors is exploited for full-scale window design. The AMM is packed only in the window frame so that the window transparency is not compromised. A broadband attenuation performance is obtained by the resonant unit cells constituting the AMM. The effect of the geometric variation on the window performance in terms of both acoustics and the airflow is analysed numerically through Finite Element Method (FEM) models. The performances of different AMM windows are evaluated and compared with those of conventional window designs. The simulation results show that this new AMM-based window design can overcome the limitations of the conventional windows, with great potential in real applications.

Type: Proceedings paper
Title: Full-scale metamaterial window for building application
Event: International Congress on Noise Control Engineering, INTER-NOISE 2020
ISBN-13: 9788994021362
Open access status: An open access version is available from UCL Discovery
Publisher version: https://www.ingentaconnect.com/content/ince/incecp...
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher's terms and conditions.
UCL classification: UCL
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of the Built Environment
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of the Built Environment > Bartlett School Env, Energy and Resources
URI: https://discovery.ucl.ac.uk/id/eprint/10123423
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