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An assumption is made in this paper that fabrics are consisted of two parts. One is a nozzle part such as spaces among yarns in woven or knitted fabrics. Another is a capillary part such as spaces among fibers in yarns. The air permeability of fabrics is considered to be the sum of the two factors.<BR>The results show that the air permeability can simply be expressed by the relation beween the pressure difference of flow meter Δ<I>P<SUB>N</SUB></I> and that of two faces of fabrics Δ<I>P</I>;<BR>√Δ<I>P<SUB>N</SUB></I>=<I>A</I>√Δ<I>P</I>+<I>B</I>Δ<I>P</I><BR>where, <I>A</I>√Δ<I>P</I> and <I>B</I>Δ<I>P</I> are the air permeability of a nozzle part and a capillary part respectively.<BR>The experimental findings obtained by varying the air permeability by removing yarns and/or by oiling the fabric have revealed that the assumed model well corresponds to the construction of actual fabrics.
- 社団法人 日本繊維製品消費科学会の論文
社団法人 日本繊維製品消費科学会 | 論文
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