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Acoustics and friction of apparel and model fabrics, and consumer perceptions of fabric sounds

Cooper, Cerise Jemma (2014)
Ph.D. thesis, University of Birmingham.

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Abstract

Understanding the influence of the fabrics microstructure on frictional noise was investigated in terms of surface roughness for three multi-fibre apparel fabrics (denim, cotton and silk) and single-fibre polyester model fabrics. Surface roughness (R\(_a\)) correlated strongly with total noise emitted (R\(^2\) = 0.97) and was attributed to the ‘hairy’ nature of multi-fibre fabrics. In terms of specific frequencies emitted within a fabric’s sound spectrum, the microstructure of the model fabrics was strongly correlated (R\(^2\) = 1.00) with the fundamental harmonic predicted, enabling a ‘fingerprint’ theory to be proposed. Friction coefficients, measured using tribology, of apparel and model fabrics were established, and showed that the major impact on friction was R\(_a\) and fibre type. Furthermore, friction was reduced via the lubrication of hydrocolloid fluid gel particulates, by means of reducing the surface roughness by filling in asperities and reducing the hairy nature of the fibres. Consumer perceptions of fabrics and fabric sounds were established with one-to-one interviews, and the influence of sound on sensory perception and liking was established by manipulating real-time fabric sounds, showing that by altering high and low frequencies, and overall noise, a significant difference in sensory attribute 'textured' can be observed.

Type of Work:Ph.D. thesis.
Supervisor(s):Norton, Ian and Marshman, Clive and Norton, Jennifer and Mills, Thomas
School/Faculty:Colleges (2008 onwards) > College of Engineering & Physical Sciences
Department:School of Chemical Engineering
Subjects:TP Chemical technology
TS Manufactures
Institution:University of Birmingham
ID Code:5087
This unpublished thesis/dissertation is copyright of the author and/or third parties. The intellectual property rights of the author or third parties in respect of this work are as defined by The Copyright Designs and Patents Act 1988 or as modified by any successor legislation. Any use made of information contained in this thesis/dissertation must be in accordance with that legislation and must be properly acknowledged. Further distribution or reproduction in any format is prohibited without the permission of the copyright holder.
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