Broadband labyrinthine acoustic insulator
WebDec 23, 2024 · Labyrinthine acoustic metastructures enabling broadband sound absorption and ventilation Sanjay Kumar, H. Lee Physics 2024 There is growing interest in the development of path coiling-based labyrinthine acoustic metamaterials for realizing extraordinary acoustical properties such as low-to-mid frequency sound absorption.… 53 WebJan 29, 2024 · Noise pollution has become a significant global problem in recent years. Unfortunately, conventional acoustic materials cannot offer substantial improvements in noise reduction. However, acoustic metamaterials are providing new solutions for controlling sound waves, and have huge potential for mitigating noise propagation in …
Broadband labyrinthine acoustic insulator
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WebOct 28, 2024 · Broadband Labyrinthine Acoustic Insulator Article Dec 2024 Ao Chen Xiaoguang Zhao Zhiwei Yang Xin Zhang View Show abstract Customizable Acoustic Metamaterial Barrier with Intelligent Sound... WebWe construct new fractal acoustic metamaterials by coiling up space, which can allow subwavelength-scale and broadband sound insulation to be achieved. Using the finite element method and the S-parameter retrieval method, the band structures, the effective parameters, and the transmission losses of these acoustic metamaterials with different …
WebDec 29, 2016 · When the relative absorption bandwidth is as high as 51%, the requirement of deep-subwavelength thickness ( 0.07λ) can still be satisfied. We emphasize that the perfect absorption with large tunability in relative bandwidth (from 9% to >180%) was not attainable previously and may find applications ranging from noise reduction to sound … WebAug 9, 2013 · Broadband Labyrinthine Acoustic Insulator Article Dec 2024 Ao Chen Xiaoguang Zhao Zhiwei Yang Xin Zhang View Show abstract Topology-optimized ventilation barrier for mid-to-high frequency...
WebJan 26, 2010 · Broadband Labyrinthine Acoustic Insulator. Article. Dec 2024; Ao Chen ... The silencing effect of the labyrinthine acoustic insulator is theoretically and experimentally verified in the frequency ... WebApr 1, 2024 · In this work, we propose a ventilated acoustic insulator based on a labyrinthine metamaterial, a design that consists of a peripheral, circumferential labyrinthine region and a central ventilated ...
WebYear 2024. Archival Journal Papers (# denotes graduate students/postdocs supervised by X. Zhang; *denotes corresponding author by X. Zhang.)
WebNov 12, 2024 · The influences of different structural parameters on their acoustic properties are also studied. These results show labyrinthine structures have multiple bandgaps in the range of 0 Hz–1000 Hz,... dry fire clay shooting systemWebMay 18, 2024 · We numerically and experimentally demonstrate its acoustic insulation larger than 20 dB (T < 0.01) within approximately 500-1,200 Hz with a subwavelength channel length of λ/6. The parameter... dry fire cardsWebJun 8, 2024 · Due to the tunability of the tunnel, the labyrinthine metasurface possesses a strong ability to control the performance and the bandwidth of sound insulation. Through a cascaded array of the metasurfaces, the muffler can exhibit the properties of large transmission loss (TL) with broad bandwidth. command for seeing first message on discordWebAcoustic insulation in ventilated structures is an important problem in acoustic engineering with many potential practical applications, such as the noise control for ventilating ducts of buildings, vehicles, or air … dry fire clothingcommand for select all in outlookWebApr 3, 2024 · We present a subwavelength labyrinthine acoustic metastructure (≤ 3 cm) exhibiting a superior sound absorption with a high bandwidth (more than one octave in … dry fire combat pistolWebBroadband Labyrinthine Acoustic Insulator 4 months ago By Ao Chen , Xiaoguang Zhao , Zhiwei Yang , Stephan W. Anderson Physical Review B Abstract Ventilated acoustic insulation currently represents one of the most promising research directions in applied acoustics. dry fire co2 system