Indian Journal of Fibre & Textile Research

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Thermal resistance of two and three-layer fabric assemblies for extreme cold weather protective clothing.


Affiliations
1 Directorate Stealth and Camouflage Technologies Defence Materials & Stores Research & Development Establishment, Kanpur 208013., India
 

Two (FA2) and three (FA3) layer fabric assemblies have been fabricated in different configurations using cloth shirting angola, pile acrylic fabric, non-woven polyester fabric (batting), coated nylon fabric and nappa leather for designing and development of multilayer clothing to provide protection in extreme cold weather. The configurations of FA2 are cloth shirting angola, PU coated nylon fabric; pile acrylic fabric, PU coated nylon fabric; cloth shirting angola, nappa leather; and acrylic pile fabric, nappa leather. On the other hand, the configurations of FA3 are cloth shirting angola, non-woven polyester fabric, PU coated nylon fabric; pile acrylic fabric, non-woven polyester fabric, PU coated nylon fabric; cloth shirting angola, non-woven polyester fabric, nappa leather; and pile acrylic fabric, non-woven polyester fabric, nappa leather. Thermal resistance of these multilayer clothing assemblies has been evaluated using high-resolution FLIR thermal imaging camera operating in 8-12µm waveband and PID controlled Acmas hot plate innatural convection mode. The maximum thermal resistance, offered by FA2 and FA3, are 5.59 and 6.24 tog respectively. Rationalspatial configurations of FA2 and FA3 are as per the temperature of human body parts, and these may be used in designing and development of protective clothing for extreme cold weather.

Keywords

Acrylic, Heat transfer, Multilayer clothing, Nappa leather, Nylon, Polyester fabric, Polyurethane, Protective clothing, Thermal imaging, Thermal insulating materials, Thermal resistance.
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  • Thermal resistance of two and three-layer fabric assemblies for extreme cold weather protective clothing.

Abstract Views: 81  |  PDF Views: 51

Authors

Om Dev
Directorate Stealth and Camouflage Technologies Defence Materials & Stores Research & Development Establishment, Kanpur 208013., India
Shanker Dayal
Directorate Stealth and Camouflage Technologies Defence Materials & Stores Research & Development Establishment, Kanpur 208013., India
Ashish Dubey
Directorate Stealth and Camouflage Technologies Defence Materials & Stores Research & Development Establishment, Kanpur 208013., India
Alok K Dixit
Directorate Stealth and Camouflage Technologies Defence Materials & Stores Research & Development Establishment, Kanpur 208013., India

Abstract


Two (FA2) and three (FA3) layer fabric assemblies have been fabricated in different configurations using cloth shirting angola, pile acrylic fabric, non-woven polyester fabric (batting), coated nylon fabric and nappa leather for designing and development of multilayer clothing to provide protection in extreme cold weather. The configurations of FA2 are cloth shirting angola, PU coated nylon fabric; pile acrylic fabric, PU coated nylon fabric; cloth shirting angola, nappa leather; and acrylic pile fabric, nappa leather. On the other hand, the configurations of FA3 are cloth shirting angola, non-woven polyester fabric, PU coated nylon fabric; pile acrylic fabric, non-woven polyester fabric, PU coated nylon fabric; cloth shirting angola, non-woven polyester fabric, nappa leather; and pile acrylic fabric, non-woven polyester fabric, nappa leather. Thermal resistance of these multilayer clothing assemblies has been evaluated using high-resolution FLIR thermal imaging camera operating in 8-12µm waveband and PID controlled Acmas hot plate innatural convection mode. The maximum thermal resistance, offered by FA2 and FA3, are 5.59 and 6.24 tog respectively. Rationalspatial configurations of FA2 and FA3 are as per the temperature of human body parts, and these may be used in designing and development of protective clothing for extreme cold weather.

Keywords


Acrylic, Heat transfer, Multilayer clothing, Nappa leather, Nylon, Polyester fabric, Polyurethane, Protective clothing, Thermal imaging, Thermal insulating materials, Thermal resistance.

References