Measurement of Drape Coefficients of Fabrics and Description of Hanging Shapes of Fabrics. Part 4. Evaluation and Dynamic Drape Behavior of Fabrics Using a Testing Device.

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  • 布のドレープ係数の測定と垂下した布形状の表現　（第４報）　　試作測定器による布の動的ドレープ挙動の評価
  • ヌノ ノ ドレープ ケイスウ ノ ソクテイ ト スイカ シタ ヌノ ケイジョウ ノ ヒョウゲン ダイ4ホウ シサク ソクテイキ ニ ヨル ヌノ ノ ドウテキ ドレープ キョドウ ノ ヒョウカ
  • Part4 : Evaluation and Dynamic Drape Behavior of Fabrics Using a Testing Device
  • (第4報) 試作測定器による布の動的ドレープ挙動の評価

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Abstract

To evaluate dynamic drape behavior of fabrics, a testing device to measure dynamic drapability was designed and new adequate parameters which can represent dynamic drapability were defined and the stability of those parameters were discussed. Following conclusions were obtained.As the revolution of fabric increases, fabric overhangs and the projected area changes in three stages.Dynamic drape increase coefficient ; Dd, which shows the degree of fabric overhanging with revolution speed, is defined as a parameter of dynamic drapability . The parameter is a slope at the 2nd stage.As the effect of airflow is larger for rotating fabrics at higher revolution speed, dynamic drape coefficent at 200 rpm;D200, is defined also as a parameter of dynamic drapability .Both the dynamic drape increase coefficient and the dynamic drape coefficient at 200 rpm showed high accuracy and reproducibility.

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