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Exploring the Sound Absorption and Sound Insulation Capabilities of Natural Fiber Composites: Nipa Palm Peduncle Fiber
Paper Type  |
Contributed Paper |
Title |
Exploring the Sound Absorption and Sound Insulation Capabilities of Natural Fiber Composites: Nipa Palm Peduncle Fiber |
Author |
Purintorn Chanlert, Polphat Ruamcharoen and Thanate Kerdkaew |
Email |
purintorn.ch@skru.ac.th |
|
Abstract: This study investigates the acoustic properties of nipa palm peduncle fiber (NPPF) composites, a promising natural fiber with a tensile strength of 277 MPa, a yield strength of 49.0 MPa, and a Young’s modulus of 12.0 GPa. We focus on understanding how NPPF’s physical characteristics influence its sound absorption and insulation capabilities. Through experimental analysis, we found that the sample density directly affects the sound absorption coefficient (SAC) and transmission loss (TL), with denser samples exhibiting better noise reduction. Using the Johnson-Champoux-Allard-Lafarge (JCAL) model, we correlated these acoustic properties with the material’s non-acoustic parameters including flow resistivity (σ), open porosity (), tortuosity (α∞), viscous (Λ) and thermal (Λ' ) characteristic lengths along with static thermal permeability (k0'). The results validate the JCAL model’s predictions, offering insights into designing effective, eco-friendly acoustic materials. This study not only highlights NPPF composites’ notable acoustic performance but also underlines their potential for contributing to sustainable development. |
|
Article ID |
e2024034 |
Received Date |
2023-10-31 |
Revised Date |
2024-03-19 |
Accepted Date |
2024-03-20 |
Full Text |
Download |
Keyword |
natural fiber, Nipa palm, sound absorption coefficient, sound transmission loss, Johnson-Champoux-Allard-Lafarge (JCAL) model |
Volume |
Vol.51 No.3 (May 2024) |
DOI |
https://doi.org/10.12982/CMJS.2024.034 |
Citation |
Chanlert P., Ruamcharoen P. and Kerdkaew T., Exploring the Sound Absorption and Sound Insulation Capabilities of Natural Fiber Composites: Nipa Palm Peduncle Fiber, Chiang Mai Journal of Science, 2024; 51(3): e2024034. DOI 10.12982/CMJS.2024.034. |
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