Sound absorption enhancement of nonwoven felt by using coupled membrane - sonic crystal inclusion

Fitriani, M.C.; Yahya, Iwan; Harjana,; Ubaidillah, Ubaidillah; Aditya, F.; Siregar, Yulianta; Moeliono, Moekarto; Sulaksono, S.

doi:10.1088/1742-6596/776/1/012073

Cited by 2 publications

(2 citation statements)

References 6 publications

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“…They carried out the study, which includes another design example in this field, using materials such as felt, silicone-applied felt in the frequency range of 200-1600 Hz. For these studies, they performed the tests with the setup they designed for sound absorption measurement [4].…”

Section: Introductionmentioning

confidence: 99%

“…In the literature, it has been seen that there are researches [2,3,4,5,6,9,10,11,12,13,14,15,23,24] about what acoustic materials are and what tests are applied to these acoustic materials, but the application is more limited. Due to its limitations, it was not encountered to evaluate their performance in terms of the mathematical model and to implement various variations in practice.…”

Section: Introductionmentioning

confidence: 99%

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Low-Cost Alpha Cabin Like Test Box Proposal for the Development of New Acoustic Sound Insulation Materials

BULUKLU¹,

Kocyigit²,

Köse³

2023

Gazi University Journal of Science

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Highlights• Analysis of acoustic values of materials with Alpha Cabin test-room method • Portable measuring box for sound absorption and insulation tests of materials • Inexpensive test box for the production of healthy, natural, exportable, acoustic materials • Design of multiple, inexpensive, fast and accurate measurements equipment with non-parallel surfaces • Quick and easy measurements of materials without frequency band absorption analyzes in the market.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Low-Cost Alpha Cabin Like Test Box Proposal for the Development of New Acoustic Sound Insulation Materials

BULUKLU¹,

Kocyigit²,

Köse³

2023

Gazi University Journal of Science

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Organic Waste as a Soundproofing Material: An Experimental Study

Buluklu,

Kocyigit,

Kose

2024

J. Vib. Eng. Technol.

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Objective The aim of the study is to develop new acoustic materials and panels that high sound transmission loss (STL), low carbon emissions, high sensitivity to human health, and also do not harm the indoor air quality. These materials are currently grown in Turkey and can be easily adopted in the industry. It has been comparatively analyzed that the developed materials can be alternatives to the synthetic materials on the market. Methods In the experiment box similar to Alpha Cabin, which was designed and developed before, the STL values were obtained by conducting experiments in the frequency range 500–8000 Hz. with many natural and synthetic materials. In the study, low carbon emission natural materials with a STL of more than 30 dB were selected. Simulation The experimentally measured samples were simulated in the acoustic module of the ANSYS program and compared with the results. Conclusion The main purpose of choosing cones and walnut shells grown in our country is to contribute to the amount of oxygen in the atmosphere and green areas by increasing the cultivation of pine and walnut trees. In the tests of the samples, it was determined that the highest STL was 63.27 dB in the concave and egg-shaped sample, and 62.41 dB in the concave walnut shell and egg form. It is envisaged that the materials we obtained can be used in the sound insulation of machines and devices that produce 85 dB and above sound harmful to human health according to ILO and WHO standards.

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Sound absorption enhancement of nonwoven felt by using coupled membrane - sonic crystal inclusion

Cited by 2 publications

References 6 publications

Low-Cost Alpha Cabin Like Test Box Proposal for the Development of New Acoustic Sound Insulation Materials

Low-Cost Alpha Cabin Like Test Box Proposal for the Development of New Acoustic Sound Insulation Materials

Organic Waste as a Soundproofing Material: An Experimental Study

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