NDLI: Characteristics of sounds generated from vapor permeable water repellent fabrics by low-speed frictions

Content Provider	Springer Nature Link
Author	Kim, Chunjeong Yang, Yoonjung Cho, Gilsoo
Copyright Year	2008
Abstract	To investigate the sound properties by low-speed frictions (0.2 m/s and 0.5 m/s) which occur when two fabrics are rubbed by wearer’s slow movement, six specimens are selected by cluster analysis among seventy-one vapor permeable water repellent fabrics for outdoor sportswear. Their sound spectra are obtained from the FFT analysis. Physical sound properties (LPT, ΔL, Δf) and Zwicker’s psychoacoustic parameters-loudness(Z), sharpness(Z), roughness(Z), and fluctuation strength(Z)-are calculated from the sound spectra. Mechanical properties of the fabrics are measured with the KES-FB system. The amplitudes of the sound spectra of all the specimens at 0.5 m/s are higher than those at 0.2 m/s throughout the entire range of frequencies. As the frictional speed changed from 0.2 m/s to 0.5 m/s, the LPT increases about 16 dB, and the loudness(Z) and fluctuation strength(Z) increase about 3 times and 2 times, respectively. The SMD and Weight at the two low frictional speeds are the important factors which affect the sound properties of vapor permeable water repellent fabrics.
Starting Page	639
Ending Page	645
Page Count	7
File Format	PDF
ISSN	12299197
Journal	Fibers and Polymers
Volume Number	9
Issue Number	5
e-ISSN	18750052
Language	English
Publisher	The Korean Fiber Society
Publisher Date	2008-11-19
Publisher Place	Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Fabric sound Low-speed friction Acoustic property Vapor permeable water repellent fabric Polymer Sciences
Content Type	Text
Resource Type	Article
Subject	Chemistry Chemical Engineering Polymers and Plastics

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