<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>These days, noise pollution is a major issue that affects the environment. The high amount of noise present in the industries has adverse impact on the workers, operators and people associated in those fields. The consequences could be as hazardous as heart attack or even lifelong hearing loss. Sound absorption through barriers, mufflers are some popular fields of study. Some natural extracted materials show impressive SAC at lower and mid frequencies. Moreover, natural materials usage in this field is being popular as they emit almost zero amount of greenhouse gases and their manufacturing process requires a little amount of energy to process for ready to usage. A galvanized steel pipe as the impedance tube was chosen because it is cheaper than the impedance tube available in the market. We have tried to measure sound absorption coefficient of some combinations of different materials as an acoustic barrier material.</p>
</abstract>

These days, noise pollution is a major issue that affects the environment. The high amount of noise present in the industries has adverse impact on the workers, operators and people associated in those fields. The consequences could be as hazardous as heart attack or even lifelong hearing loss. Sound absorption through barriers, mufflers are some popular fields of study. Some natural extracted materials show impressive SAC at lower and mid frequencies. Moreover, natural materials usage in this field is being popular as they emit almost zero amount of greenhouse gases and their manufacturing process requires a little amount of energy to process for ready to usage. A galvanized steel pipe as the impedance tube was chosen because it is cheaper than the impedance tube available in the market. We have tried to measure sound absorption coefficient of some combinations of different materials as an acoustic barrier material.

Analysis and Experimental Investigation of Sound Absorbing Materials for Industrial Noise Control

Rajshahi University of Engineering and Technology

Scientific Bulletin of Valahia University - Materials and Mechanics

This work is licensed under the Creative Commons Attribution 4.0 International License.

These days, noise pollution is a major issue that affects the environment. The high amount of noise present in the industries has adverse impact on the...

Analysis and Experimental Investigation of Sound Absorbing Materials for Industrial Noise Control

Online veröffentlicht: 15. Apr. 2023

Seitenbereich: 13 - 18

DOI: https://doi.org/10.2478/bsmm-2023-0002

Schlüsselwörter
Natural porous materials, Sound absorption coefficient, Impedance Tube, Galvanized steel tube, Material combination

© 2023 Shahajada Mahmudul Hasan et al., published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 International License.

Analysis and Experimental Investigation of Sound Absorbing Materials for Industrial Noise Control

Online veröffentlicht: 15. Apr. 2023

Seitenbereich: 13 - 18

DOI: https://doi.org/10.2478/bsmm-2023-0002

SchlüsselwörterNatural porous materials, Sound absorption coefficient, Impedance Tube, Galvanized steel tube, Material combination

© 2023 Shahajada Mahmudul Hasan et al., published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 International License.

Schlüsselwörter
Natural porous materials, Sound absorption coefficient, Impedance Tube, Galvanized steel tube, Material combination