A Systematic Review of Emerging Ventilated Acoustic Metamaterials for Noise Control

Linus Yinn Leng Ang (), Fangsen Cui, Kian-Meng Lim and Heow Pueh Lee ()
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Linus Yinn Leng Ang: Institute of High Performance Computing (IHPC), Agency for Science, Technology and Research (A*STAR), 1 Fusionopolis Way, #16-16 Connexis, Singapore 138632, Singapore
Fangsen Cui: Institute of High Performance Computing (IHPC), Agency for Science, Technology and Research (A*STAR), 1 Fusionopolis Way, #16-16 Connexis, Singapore 138632, Singapore
Kian-Meng Lim: Department of Mechanical Engineering, National University of Singapore (NUS), 9 Engineering Drive 1, #07-08 Block EA, Singapore 117575, Singapore
Heow Pueh Lee: Department of Mechanical Engineering, National University of Singapore (NUS), 9 Engineering Drive 1, #07-08 Block EA, Singapore 117575, Singapore

Sustainability, 2023, vol. 15, issue 5, 1-20

Abstract: As sustainability is one of the main pillars in developing future cities, adopting natural ventilation whenever possible is one way to reduce energy consumption, thus indirectly reducing carbon dioxide emissions. Lately, ventilated acoustic metamaterials have started to receive more research attention because of how they can provide both ventilation and noise control. Motivated by this research attention, we present this timely systematic review of emerging ventilated acoustic metamaterials for noise control. By limiting the review to a five-year coverage (2018–2023), three kinds of ventilated acoustic metamaterials were identified—metamufflers, metapanels, and metacages. Based on the studies included in this review, we discuss the present challenges of metacages. More research efforts are still needed to see real-world applications of metacages as a novel ventilated noise control measure in the future.

Keywords: ventilated acoustic metamaterial; metamuffler; metasilencer; metabarrier; metapanel; metasurface; metacage; noise control; sustainability (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2023
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