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Thermal Resistance Properties of Paratrooper ClothingDefence Bio Engineering and Electro Medical Laboratory (DEBEL) C V Raman Nagar, Bangalore-560 093, India, rindushekar{at}gmail.com
Defence Bio Engineering and Electro Medical Laboratory (DEBEL) C V Raman Nagar, Bangalore-560 093, India
Defence Bio Engineering and Electro Medical Laboratory (DEBEL) C V Raman Nagar, Bangalore-560 093, India
Defence Bio Engineering and Electro Medical Laboratory (DEBEL) C V Raman Nagar, Bangalore-560 093, India
Defence Bio Engineering and Electro Medical Laboratory (DEBEL) C V Raman Nagar, Bangalore-560 093, India Combat free fall paratroopers (CFF) protective clothing, comprising of non-woven insulating material, inherently flame retardant Nomex fabric and cotton fabric combinations are studied under simulated conditions of conduction and sweat using Thermolobo-II technique. The results show that Non—woven insulating materials exhibit high thermal resistance in dry contact method under moderate wind velocity, whereas the thermal resistance values measured under wet conditions is significantly lower. The effect of air layer thickness, permeability and other important parameters, such as porosity, surface area have also been considered and correlated to assess the overall performance of protective clothing ensemble.
Key Words: compressional recovery permeability porosity surface area thermal resistance wind velocity.
This version was published on October
1, 2009 Journal of Industrial Textiles, Vol. 39, No. 2,
123-148 (2009) |
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