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Workers exposed to hot and humid conditions sufferfrom heat stress that affects their concentration and can potentially lead toan increase in workplace accidents. To minimize heat stress, protectiveequipment may be worn, such as personal cooling garments. This paper presentsand discusses the performances, advantages and disadvantages of existingpersonal cooling garments, namely air-cooled, liquid-cooled, phase change,hybrid, gas expansion and vacuum desiccant cooling garments, and athermoelectric cooling technology. The main objective is to identify thecooling technique that would be most suitable for deep mining workers. Itappears that no cooling technology currently on the market is perfectlycompatible with this type of mining environment. However, combining two or morecooling technologies into a single hybrid system could be the solution to anoptimized cooling garment for deep mines.

KEYWORDS

Personal Cooling Garment, Heat Stress, Thermal Efficiency, Deep Mines

Cite this paper

Al Sayed, C. , Vinches, L. and Hallé, S. 2016 Towards Optimizing a Personal Cooling Garment for Hot and Humid Deep Mining Conditions. Open Journal of Optimization, 5, 35-43. doi: 10.4236-ojop.2016.51005.





Autor: Chady Al Sayed*, Ludwig Vinches, Stéphane Hallé

Fuente: http://www.scirp.org/



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