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Heat gain from thermal radiation through protective clothing with different insulation, reflectivity and vapour permeability

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posted on 18.06.2010 by Peter Broede, Kalev Kuklane, Victor Candas, Emiel A. den Hartog, Barbara Griefahn, Ingvar Holmer, Harriet Meinander, Wolfgang Nocker, Mark Richards, George Havenith
The heat transferred through protective clothing under long wave radiation compared to a reference condition without radiant stress was determined in thermal manikin experiments. The influence of clothing insulation and reflectivity, and the interaction with wind and wet underclothing were considered. Garments with different outer materials and colours and additionally an aluminised reflective suit were combined with different number and types of dry and pre-wetted underwear layers. Under radiant stress, whole body heat loss decreased, i.e., heat gain occurred compared to the reference. This heat gain increased with radiation intensity, and decreased with air velocity and clothing insulation. Except for the reflective outer layer that showed only minimal heat gain over the whole range of radiation intensities, the influence of the outer garments’ material and colour was small with dry clothing. Wetting the underclothing for simulating sweat accumulation, however, caused differing effects with higher heat gain in less permeable garments.

Funding

This work was funded as European Union GROWTH programme project “THERMPROTECT, Assessment of Thermal Properties of Protective Clothing and Their Use”, contract G6RD-CT-2002-00846.

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Citation

BRODE, P. ... et al, 2010. Heat gain from thermal radiation through protective clothing with different insulation, reflectivity and vapour permeability. International Journal of Occupational Safety and Ergonomics (JOSE),16 (2), pp. 231–244.

Publisher

© Central Institute for Labour Protection – National Research Institute

Version

VoR (Version of Record)

Publication date

2010

Notes

This article was published in the journal, International Journal of Occupational Safety and Ergonomics (JOSE): http://www.ciop.pl/jose

ISSN

1080-3548

Language

en

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