Reducing Noised – The Impact of Biocomposite Noise Dampers with Grinting Grass (Cynodon dactylon) on Noise Intensity

Rinawati, Seviana; Khusaini, Muh.; Ciptadi, Gatot; Handayani, Dian

doi:10.12912/27197050/195183

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Tytuł artykułu

Reducing Noised – The Impact of Biocomposite Noise Dampers with Grinting Grass (Cynodon dactylon) on Noise Intensity

Autorzy

Rinawati Seviana , Khusaini Muh. , Ciptadi Gatot , Handayani Dian

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DOI

10.12912/27197050/195183

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Abstrakty

The use of machines and technology in the industrial sector has led to noise pollution, which requires attention. The practice of noise control through soundproofing is closely linked to the use of various acoustic materials, whether they are synthetic or natural fibers. Natural materials are preferred for biocomposite reinforcement due to the design flexibility, eco-friendliness, sustainability, and ease of availability. Therefore, this research aimed to analyze the variation of grinting grass (Cynodon dactylon) composite material as damper with safe working distance from noise exposure. This experimental research was conducted using industrial grinding machine and damper from grinting grass as the object and composite material. The instruments used for measurement included an Impedance tube (sound absorption coefficient), a sound level meter (noise intensity), and a Surfer 13 noise mapping application. The data obtained were analyzed using the Wilcoxon test to determine the differences before and after the intervention. The results showed that the most effective composite had a 60:40 ratio with a sound absorption coefficient of 0.30. Before using damper, the highest noise intensity recorded was 106 dBA, which was reduced to 83 dBA. Safe working distance from exposure before damper was 6.1 meters, which decreased to 1 meter after the intervention. In conclusion, there was a significant difference in noise intensity (p = 0.000) and safe working distance from exposure (p = 0.001) before and after the use of grinting grass as damper.

Słowa kluczowe

grinting grass composite damper noise intensity safe working distance

Wydawca

Lubelski Oddział Polskiego Towarzystwo Inżynierii Ekologicznej
Lublin University of Technology
WNGB Wydawnictwo Naukowe

Czasopismo

Ecological Engineering & Environmental Technology

Rocznik

2024

Tom

Vol. 25, iss. 12

Strony

346--355

Opis fizyczny

Bibliogr. 42 poz., rys., tab.

Twórcy

autor

Rinawati Seviana

sev1ana_er@staff.uns.ac.id

Environmental Science Doctoral Program University Brawijaya, St Mayjen Haryono 169, Malang, Indonesia
Occupational Health and Safety University Sebelas Maret, Ir Sutami 36A Kentingan, Surakarta, Indonesia

https://orcid.org/0009-0008-0696-7657

autor

Khusaini Muh.

khusaini@ub.ac.id

Environmental Science Doctoral Program University Brawijaya, St Mayjen Haryono 169, Malang, Indonesia
Faculty of Economics and Business, University Brawijaya, St Mayjen Haryono 169, Malang, Indonesia

https://orcid.org/0000-0003-0472-9678

autor

Ciptadi Gatot

ciptadi@ub.ac.id

Environmental Science Doctoral Program University Brawijaya, St Mayjen Haryono 169, Malang, Indonesia
Department of Animal Science, Faculty of Animal Husbandry, University Brawijaya Jl. Veteran, Malang, Indonesia

https://orcid.org/0000-0002-7806-7411

autor

Handayani Dian

handyani_dian@ub.ac.id

Environmental Science Doctoral Program University Brawijaya, St Mayjen Haryono 169, Malang, Indonesia
Nutrition Department, Health Science Faculty, University Brawijaya Jl. Puncak Dieng Kunci Kalisongo, Malang, Indonesia

https://orcid.org/0000-0001-9018-0233

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