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Measuring the Thermal Conductive Property of Protective Fabrics to Radiant Heat Exposure

Institute of Fashion, Zhongyuan University of Technology Zhengzhou City 450007, China, pigzhu7979{at}mail.dhu.edu.cn

Zhang Weiyuan

Institute of Textile and Fashion, Donghua University Shanghai 200051, China

A novel experimental apparatus called thermal simulating box is designed to evaluate the heat transmission of protective fabrics subject to radiation/ convection heat flux representative of typical high temperature occupational environments. The cold side of the test sample is maintained around human body skin temperature as high as 36^°C, however, the hot side was exposed to dry hot air. An indirect method based on thermal-electric analog principle is proposed to measure the thermal conductivity of protective fabric. Protective fabrics made with flame-resistant cotton, Nomex, PANOF and fabrics from fiberglass are measured. Experiments show how the hot plate temperature, air pressure, air gap thickness affect thermal conductivity of test samples.

Key Words: thermal simulating box • protective fabrics • thermal-electric analog • thermal conductivity.

Journal of Industrial Textiles, Vol. 37, No. 2, 175-186 (2007)
DOI: 10.1177/1528083707083799


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