부직포

Directional permeability in homogeneous nonwoven structures Part I: The relationship between directional permeability and fibre orientation

  • 출판일2001.06
  • 저자
  • 서지사항
  • 등록일 2016.11.02
  • 조회수 352
A new general model of the directional permeability in homogeneous, and anisotropic nonwoven structures is presented. It is based on drag-force theory and D'Arcy's Law. Structural parameters in the fabric are considered, including fibre diameter, porosity, and the fibre-orientation distribution. The governing equations of the local permeability in two and three-dimensional structures and derived, which allow the permeability in any direction in the fabric to be calculated. It is demonstrated that fibre orientation is a major factor influencing the anisotropy of permeability.
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