Study on heat and moisture vapour transmission characteristics through multilayered fabric ensembles

Shabaridharan,; Das, Apurba

doi:10.1007/s12221-012-0522-0

Cited by 33 publications

(18 citation statements)

References 13 publications

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“…of layers Wu and Fan 29 Inner and outer batting: wool, polyester, down 4 WVTR Significant effects of inner and outer batting types, and their interaction on WVTR Oh 30 Polyester fleece fabrics, PU-coated or PTFE-laminated fabrics 3 WVTR Significant effects of outer layer on WVTR MacRae et al 50 5 polyester and wool knitted fabrics 2 R ef Air space masked the difference in water vapor resistance of two-layer fabrics Shabaridharan and Das 36 Same fabrics as those in Table 1 3…”

Section: Huangmentioning

confidence: 99%

Review of heat and water vapor transfer through multilayer fabrics

Huang

2015

Textile Research Journal

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Multilayer fabrics have been widely used for cold weather clothing and thermal protective clothing. The thermal and water vapor resistances provided by multilayer fabrics are of considerable importance in determining thermal comfort of clothing. Firstly, those studies on the steady-state heat and water vapor transfer through multilayer fabrics are summarized. There are three circumstances between thermal resistance of individual layers and the total thermal resistance of multilayer fabrics, that is, additive thermal resistance of individual layers, less resistance per additional layer, and more resistance per additional layer. Secondly, an overview on unsteady-state heat and water vapor transfer through multilayer fabrics is presented. Thirdly, the models on the heat and water vapor transfer through multilayer fabrics at both steady state and unsteady state are summed up. Finally, several research themes for the future are described.

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Section: Huangmentioning

confidence: 99%

Review of heat and water vapor transfer through multilayer fabrics

Huang

2015

Textile Research Journal

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“…19 The parameters defining the material structure, when there is no substantial change in the fiber morphology, are the volume fractions of raw material and air determined by the density of a nonwoven fabric. 20–23…”

Section: Resultsmentioning

confidence: 99%

Influence of nonwoven fabric pore sizes on water vapor resistance

Kopitar¹,

Skenderi²,

Matijašić

2017

Textile Research Journal

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The influence of nonwoven fabric pores using the Brunauer–Emmet–Teller method, dry sieving and capillary flow porometry on water vapor resistance were investigated. For a better understanding of the nonwoven thickness impact on pores and water vapor resistance (and therefore the influence on comfort), two types of samples were investigated: nonwoven fabric bonded with the needling and nonwoven fabric additionally bonded with the calendering process. Water vapor resistance increased with increasing nonwoven fabric thickness, whereby it ranged from 11.33 to 15.62 m2 Pa W−1 for the non-calendered samples and it ranged from 5.19 to 9.85 m2 Pa W−1 for the calendered ones. Water vapor resistance showed a good linear correlation with the specific surface area, pore volume, apparent opening size and mean flow pore diameter.

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“…(Babus Haq, Hiasat, & Probert, 1996;Das, Alagirusamy, Shabaridharan, & Kumar, 2012;Das, Kothari, & Balaji, 2007). Shabaridharan and Das (2012) studied the thermal and evaporative resistances of multilayered fabric ensembles, in which different types of insulative and coated fabrics were used. Das (2013a, 2013b) have studied thermal and evaporative resistances of multilayered fabrics consist of needle-punched fabrics as insulative layer.…”

Section: Introductionmentioning

confidence: 99%

Analysis of thermal properties of multilayered fabrics by full factorial and Taguchi method

Shabaridharan¹,

Das²

2013

The Journal of The Textile Institute

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The present paper reports the thermal and evaporative resistances of multilayered fabric ensembles meant for cold weather conditions. A three-layered structure was used to simulate the multilayered fabric ensemble. Knitted, through air-bonded nonwoven and coated fabrics were used as inner, middle and outer layer fabrics, respectively. Inner and middle layer fabrics were varied in mass per unit area in three different levels. Three different coated fabrics, namely, polyester polymer-coated fabric and two different polytetrafluoroethylene-coated fabrics which vary in pore size and porosity were used in outer layer. Taguchi's L 9 orthogonal array, meant for three variables and three levels were used to form nine different multilayered fabric ensembles. Signal to noise ratio was studied to predict and optimize the thermal properties of multilayered fabric ensembles. Full factorial design was used to study the effectiveness of predicting thermal properties of multilayered fabrics using Taguchi's approach. Regression equations were developed and contour plots were drawn to analyse the effect of chosen parameters on thermal properties of fabrics. In both the methods, the percentage contributions of each factor for thermal and evaporative resistances of multilayered fabrics were studied using sum of squares method. It was found that the Taguchi's method reduces the number of experiments significantly and predicts the thermal properties of multilayered fabrics with good prediction performance. Mass per unit area of inner layer was found to have no significant effect on thermal and evaporative resistances of multilayered fabric ensembles. Mass per unit area of through air-bonded nonwoven fabric was found to be the most significant parameter in determining the thermal resistance of multilayered fabrics. Mass per unit area of middle layer and pore size of coated fabrics were found to contribute almost equal level in deciding the evaporative resistance of multilayered fabrics.

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Study on heat and moisture vapour transmission characteristics through multilayered fabric ensembles

Cited by 33 publications

References 13 publications

Review of heat and water vapor transfer through multilayer fabrics

Review of heat and water vapor transfer through multilayer fabrics

Influence of nonwoven fabric pore sizes on water vapor resistance

Analysis of thermal properties of multilayered fabrics by full factorial and Taguchi method

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