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首页> 外文期刊>The Journal of the Textile Institute. 1, Fibre Science and Textile Technology >A cross-plane permeability model for needle-punched nonwoven structures
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A cross-plane permeability model for needle-punched nonwoven structures

机译：针刺无纺布结构的跨面渗透率模型

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摘要

In this study, an attempt has been made to modify the Hagen—Poiseuille equation by incorporating the mean flow pore diameter to derive an expression for the water permeability of needle-punched nonwovens based on the model of Lifshutz (INJ Spring, 18—24, 2005). A good agreement between the experimental and theoretical results has been obtained. A multiple regression technique has been employed to quantify the effect of the process parameters, namely feed rate, stroke frequency and depth of needle penetration on permeability characteristics of nonwoven structures. Furthermore, the effect of fabric area density and thickness on the permeability characteristics of nonwoven structures has also been investigated.
机译：在这项研究中，我们尝试通过结合平均流量孔径来修改Hagen-Poiseuille方程，以基于Lifshutz模型得出针刺非织造布的透水性的表达式（INJ Spring，18-24， 2005年）。实验和理论结果之间取得了良好的一致性。已采用多元回归技术来量化工艺参数（即进给速度，冲程频率和针刺深度）对非织造结构渗透性特征的影响。此外，还研究了织物面积密度和厚度对非织造结构的渗透性特性的影响。

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