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   Articles with "sound absorbing" as a keyword



Eco‐Friendly, Sound Absorbing Materials Based on Cellulose Acetate Electrospun Fibers/Luffa Cylindrica Composites

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recommendations! Published in 2024 at "Macromolecular Rapid Communications"

DOI: 10.1002/marc.202400863

Abstract: Sound absorption plays a crucial role in addressing noise pollution that may cause harm to both human health and wildlife. To tackle this environmental issue, the implementation of natural‐based sound absorbing materials attracts considerable attention… read more here.

Keywords: eco friendly; luffa cylindrica; cellulose acetate; sound absorbing ... See more keywords
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Hybrid sound-absorbing foam materials with nanostructured grit-impregnated pores

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recommendations! Published in 2018 at "Applied Acoustics"

DOI: 10.1016/j.apacoust.2018.04.024

Abstract: Abstract A new approach to the design of sound-absorbing materials was experimentally investigated. Improved acoustic properties were obtained in a wider frequency range through the impregnation of nanoporous grit into foam pores. Using this approach,… read more here.

Keywords: sound absorbing; hybrid sound; grit; foam materials ... See more keywords

Circular reutilization of coffee waste for sound absorbing panels: A perspective on material recycling.

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recommendations! Published in 2020 at "Environmental research"

DOI: 10.1016/j.envres.2020.109281

Abstract: The increase in coffee consumption has led to increased production of coffee waste. Methods to recycle coffee waste are constantly being researched. Coffee powder is a porous material that can effectively be used to absorb… read more here.

Keywords: sound absorbing; absorbing panels; coffee waste; material ... See more keywords
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Layout optimization of porous sound-absorbing material in mid-frequency vibro-acoustic systems

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recommendations! Published in 2021 at "Journal of Fluids and Structures"

DOI: 10.1016/j.jfluidstructs.2020.103197

Abstract: Abstract In this paper, a new layout optimization technique is integrated with a statistical modal energy distribution analysis (SmEdA) model to obtain the optimal layout of a porous sound-absorbing material for noise control in mid-frequency… read more here.

Keywords: sound absorbing; energy; frequency; absorbing material ... See more keywords
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Broadband underwater sound absorbing structure with gradient cavity shaped polyurethane composite array supported by carbon fiber honeycomb

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recommendations! Published in 2020 at "Journal of Sound and Vibration"

DOI: 10.1016/j.jsv.2020.115375

Abstract: Abstract A sound-absorbing periodically arrayed structure (SPAS) based on the combined effects of cavity resonance and impedance transition is designed. Different types of polyurethane composites are integrated to fabricate the sound-permeable layer, the gradient resonant… read more here.

Keywords: sound absorbing; carbon fiber; fiber honeycomb; cavity ... See more keywords

Multifunctional sound-absorbing and mechanical metamaterials via a decoupled mechanism design approach.

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recommendations! Published in 2022 at "Materials horizons"

DOI: 10.1039/d2mh00977c

Abstract: Multifunctional materials are in high demand for practical engineering applications. Owing to the ubiquitous noise and impact energy hazards in many settings, traditional materials and conventionally designed metamaterials are incapable of preventing these types of… read more here.

Keywords: via decoupled; design; absorbing mechanical; absorption ... See more keywords
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A tunable sound-absorbing metamaterial based on coiled-up space

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recommendations! Published in 2018 at "Journal of Applied Physics"

DOI: 10.1063/1.5026022

Abstract: This paper presents a theoretical, numerical, and experimental investigation of a deep-subwavelength absorber based on the concept of coiled-up space. By adjusting a partition panel in the cavity to form an unequal-section channel, it is… read more here.

Keywords: absorption; sound absorbing; space; absorbing metamaterial ... See more keywords

Inverse-designed acoustic metasurfaces for broadband sound absorption

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recommendations! Published in 2024 at "Journal of Applied Physics"

DOI: 10.1063/5.0227491

Abstract: Acoustic metasurfaces are widely used for noise attenuation due to their outstanding acoustic performance and subwavelength characteristics. The paper introduces a topology-optimized inverse design approach for broadband sound-absorbing metasurfaces, aiming to achieve efficient sound absorption… read more here.

Keywords: inverse; acoustic metasurfaces; broadband sound; absorption ... See more keywords
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A broadband sound-absorbing panel based on the coiled coplanar absorber with multiple absorption peaks

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recommendations! Published in 2021 at "Physica Scripta"

DOI: 10.1088/1402-4896/abea30

Abstract: We report an ultrathin sound-absorbing panel with a continuous sound absorption greater than 0.7 over a frequency bandwidth of about 600 Hz. The panel is constructed by several different individual absorbers, and each absorber is… read more here.

Keywords: absorption; sound absorbing; coiled coplanar; absorbing panel ... See more keywords

The application of microperforated panel in duct systems

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recommendations! Published in 2017 at "Journal of the Acoustical Society of America"

DOI: 10.1121/1.4988652

Abstract: Microperforated panels (MPPs) are usually considered to be an alternative sound absorbing surface treatment in architectural acoustics applications, where they can serve as effective, fiber-free replacements for the more traditional glass fibers and other porous… read more here.

Keywords: sound absorbing; glass; surface; application ... See more keywords

Fabrication of cost-effective double layers composite for efficient sound-absorbing based on sustainable and flame-retardant jute fabrics

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recommendations! Published in 2022 at "Journal of Industrial Textiles"

DOI: 10.1177/15280837221098197

Abstract: Noise pollution is rapidly increasing, posing a health risk, particularly in the low frequency range. Therefore, the development of cost-effective, environmentally friendly and efficient audible sound absorbing materials is a necessary and crucial process. To… read more here.

Keywords: cost effective; jute fabrics; flame; sound absorbing ... See more keywords