繊物の反射機構のモデル化

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タイトル別名
  • A MODEL OF REFLECTING MECHANISM OF FABRIC
  • オリモノ ノ ハンシャ キコウ ノ モデルカ

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抄録

Optical reflection mechanism of fabrics is similar to that of filmheaps and the relationship corresponds to the relation between a metalic plate and a metalic texture surface. The reflection model using heap of films was treated by Preston, Tsien and other only to discuss the relation between reflecting coefficient of fabrics and the concentration of dye. The present paper is concerned with the relation between the luster and reflecting properties of fabrics.<br>Reflecting elements (M; Regular reflection, I; Internal reflection, D; Diffused reflection) are isolated and gradeel on the coordinated system (see Fig. 3). The luster (quality) of plane material can be characterized by these factors. On the other hand, refitting elements of an ideal heap of films can be calculated from the number of layers n, the reflecting coefficient of one layer R0 and the transparency coefficient exp-(KC1+SC2)d<br>where I0: Incidence;<br>T0: Transmission coefficient;<br>K: Absorption coefficient;<br>S: Diffused coefficient;<br>d: Film width;<br>C1, C2: Density<br>M+IR and D are calculated (see Fig. 2) by various values of these parameters (n, exp-(KC1+SC2) d<br>Compared Fig. 2 with Fig. 3 it is shown that the characterization of plane material is possible with these parameters (n, R0 and exp-KC1+SC2)d) of heap film.<br>A similar expression for fabric is possible, when reflecting elemets are isolated by means of experimental condition shown in Fig. I (II).<br>It may be possible to define physically the term expressing the luster (quality) of fabric; for example, silk fabric-pearl like luster, synthetic fabric-metal like luster and etc.

収録刊行物

  • 繊維学会誌

    繊維学会誌 27 (5), 217-222, 1971

    社団法人 繊維学会

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