PMID: 15377408Sep 21, 2004Paper

Hot steam transfer through heat protective clothing layers

International Journal of Occupational Safety and Ergonomics : JOSE
René M RossiWalter Bolli

Abstract

The aim of this study was to analyse the transfer of steam through different types of textile layers as a function of sample parameters such as thickness and permeability. In order to simulate the human body, a cylinder releasing defined amounts of moisture was also used. The influence of sweating on heat and mass transfer was assessed. The results show that in general impermeable materials offer better protection against hot steam than semi-permeable ones. The transfer of steam depended on the water vapour permeability of the samples, but also on their thermal insulation and their thickness. Increasing the thickness of the samples with a spacer gave a larger increase in protection with the impermeable samples compared to semi-permeable materials. Measurements with pre-wetted samples showed a reduction in steam protection in any case. On the other hand, the measurements with a sweating cylinder showed a beneficial effect of sweating.

Citations

Jun 27, 2013·The Annals of Occupational Hygiene·Farzan Gholamreza, Guowen Song
Apr 22, 2017·International Journal of Occupational Safety and Ergonomics : JOSE·Yun SuGuowen Song

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