Absorption properties of natural fiber-reinforced sandwich structures based on the fabric structures

Sound absorption properties of natural fiber-reinforced sandwich structures based on the structure of the fabrics were investigated in this work. The sound absorption coefficients of the sandwich structures were measured by the impedance tubes with the aid of the transfer function. Effects of yarn s...

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Bibliographic Details
Published in:Journal of reinforced plastics and composites 2013-10, Vol.32 (20), p.1561-1568
Main Authors: Zheng, ZY, Li, Y, Yang, WD
Format: Article
Language:English
Subjects:
Fabric structures
Fabrics
Fiber composites
Fibers
Impedance
Sandwich structures
Sound
Yarns
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Summary:Sound absorption properties of natural fiber-reinforced sandwich structures based on the structure of the fabrics were investigated in this work. The sound absorption coefficients of the sandwich structures were measured by the impedance tubes with the aid of the transfer function. Effects of yarn sizes, fiber diameters and hybrid stacking of different fibers on the sound absorption properties were studied. The flow resistance and characteristic impedance of the reinforcing fabrics which were correlated with the fabric structures were calculated and compared. It was concluded that the thicker the fabric yarn and the bigger the fiber diameter were, the better the sound absorption properties were for natural fiber-reinforced sandwich structures.
ISSN:0731-6844
1530-7964
DOI:10.1177/0731684413488461