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Backscattering of Light in Determining Fiber Orientation Distribution and Area Density of Nonwoven Fabrics

机译:光的反向散射确定无纺布的纤维取向分布和面积密度

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摘要

The behavior of light backscattering from a fiber assembly with arbitrary fiber orientation distribution in space and area density depends on the physical properties of the fibers and their arrangement in the fiber assembly. In this paper, a thin fiber layer and its overlapped models are built to study their relations. With this model, the general equation for ascertaining backscattering intensity and the normalized backscattering intensity distribution of light produced from a nonwoven fabric with arbitrary fiber orientation and area density are derived from the theory of scattering and propagation of light. This allows the influence of each of these nonwoven structures to be separately studied. The measured results of the backscattering intensity of light and its distribution by the apparatus initiated in our laboratory are in good agreement with the analytical results calculated from structures of actual nonwovens. The instrument is equipped with a computer-controlled system and displays automatically. The backscattering intensity distribution of light and thus the fiber orientation distribution and area density of nonwoven fabrics can be determined with this method.
机译:在空间和面积密度中具有任意纤维取向分布的纤维组件发出的光向后散射的行为取决于纤维的物理特性及其在纤维组件中的排列。在本文中,建立了薄纤维层及其重叠模型以研究它们之间的关系。在该模型中,从光的散射和传播理论推导了确定具有任意纤维取向和面积密度的无纺布产生的光的反向散射强度和归一化反向散射强度分布的一般公式。这允许分别研究这些非织造结构中的每一个的影响。由我们实验室启动的设备对光的反向散射强度的测量结果及其分布与从实际非织造布结构计算出的分析结果非常吻合。仪器配备了计算机控制的系统并自动显示。可以通过这种方法确定光的反向散射强度分布,从而确定非织造织物的纤维取向分布和面积密度。

著录项

  • 来源
    《Textile Research Journal》 |2003年第2期|p.131-138|共8页
  • 作者

    S. ZHOU; C. CHU; H. YAN;

  • 作者单位

    College of Textiles, Dong Hua University, Shanghai 200051, People's Republic of China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 纺织工业、染整工业;
  • 关键词

  • 入库时间 2022-08-18 00:11:10

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