Measurement of Drape Coefficients of Fabrics and Description of Hanged Shapes of Fabrics.

概要

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In order to strdy fabric drape more precisely, a new method to obtain drape coefficient is proposed and hanged shape of fabric is desdribed using trigonometrical function. Relationship between the trigonometrical function and basic mechanical parameters is also investigated. Following conclusions were obtained : <BR>1) Fabric has its own number of node when hanged on the circular support stand anddrape coefficient of the fabric becomes smaller at the own number of node. The hanged shape of fabric becomes stable and the reproducibility of drape coefficient becomes high if the coefficient is measured using the circular support stand which is divided into two parts, equilateral polygon stand and the residual stand.<BR>2) Fabric shape is described by the equation ; r=a+bsin (nθ), and the drape coefficient obtained by the equation agreed well with the actual one. Further, the hanged shape obtained theoretically also agreed well with the actual one.<BR>3) The trigonometrical function can be regressed well with fabric basic mechanicalparameters with high accuracy.
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