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首页> 外文期刊>Indian Journal of Fibre & Textile Research >Study on heat and moisture vapour transmission characteristics through multilayered fabric ensembles
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Study on heat and moisture vapour transmission characteristics through multilayered fabric ensembles

机译：通过多层织物集合体传热和透湿蒸汽的特性研究

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The present paper reports a detailed study on heat and moisture vapour transmission characteristics of different types of multilayered fabric ensembles. Two sets of multilayered fabrics have been prepared. In first set, two types of carded web produced from acrylic and polyester fibres with five different areal densities in each fibre type have been used as middle layer. In second set, different types of fabrics, namely woven, knitted, felt, single-sided fleeced and double-sided fleeced fabrics made from wool fibre, have been used as middle layer. In both the sets, two types of inner and outer layer fabrics have been used. Silk and polyester woven fabrics have been used as inner layer and plain woven nylon coated and polytetrafluoroethylene (PTFE) coated fabrics have been used as outer layer. In both the sets, silk inner layer fabric ensembles show higher thermal resistance and lesser water vapour permeability than polyester fabric ensembles. Among the first set of multilayered fabrics, the fabric ensembles with acrylic fibre web show slightly higher thermal resistance and lesser moisture vapour permeability than fabric ensembles with polyester fibre web. Of all the fabrics, the type of outer layer used has no significant effect on the thermal transmission properties of multilayered fabrics. In the first set of multilayered fabrics, irrespective of the type of fibres, the increase in areal density of the fabric increases the thermal resistance and reduces moisture vapour transmission of the fabrics. In the second set of multilayered fabrics, woven, felt and knitted fabric ensembles show lesser thermal resistance and moisture vapour transmission than the fleeced fabric ensembles.
机译：本文报道了对不同类型的多层织物集合体的热和湿气透过特性的详细研究。已经准备了两组多层织物。在第一组中，由丙烯酸和聚酯纤维生产的两种梳理纤网被用作中间层，每种纤维类型中具有五种不同的面密度。在第二组中，不同类型的织物，即由羊毛纤维制成的机织，针织，毛毡，单面羊毛和双面羊毛织物被用作中间层。在这两组中，都使用了两种类型的内层和外层织物。丝绸和聚酯织物已用作内层，而平纹尼龙涂层和聚四氟乙烯（PTFE）涂层已用作外层。在这两组中，丝绸内层织物组合物比聚酯织物组合物显示出较高的耐热性和较小的水蒸气渗透性。在第一组多层织物中，丙烯酸纤维网的织物比聚酯纤维网的织物具有更高的耐热性和较小的透湿性。在所有织物中，所用外层的类型对多层织物的热传递性能没有显着影响。在第一组多层织物中，与纤维的类型无关，织物的面密度的增加增加了耐热性并降低了织物的湿气透过率。在第二组多层织物中，机织，毡织和针织的织物组合物比起绒织物的组合物显示出较小的耐热性和透湿性。

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