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Evaluation of body heating protocols with graphene heated clothing in a cold environment

Cited 4 time in Web of Science Cited 6 time in Scopus
Authors
Shin, Sora; Choi, Hae-Hyun; Kim, Yung Bin; Hong, Byung Hee; Lee, Joo Young
Issue Date
2017-07
Citation
International Journal of Clothing Science and Technology, Vol.29 No.6, pp.830-844
Keywords
Thermal comfortBody heatingCold protective clothingGraphene heaterRectal temperatureSkin temperatureThermal sensationCore body temperature
Abstract
Purpose: The purpose of this paper is to evaluate the effects of intermittent and continuous heating protocols using graphene-heated clothing and identify more effective body region for heating in a cold environment. Design/methodology/approach: Eight males participated in five experimental conditions at an air temperature of 0.6°C with 40 percent relative humidity: no heating, continuous heating the chest, continuous heating the back, intermittent heating the chest, and intermittent heating the back. Findings: The results showed that the electric power consumption of the intermittent heating protocol (2.49 W) was conserved by 71 percent compared to the continuous protocol (8.58 W). Rectal temperature, cardiovascular and respiratory responses showed no significant differences among the four heating conditions, while heating the back showed more beneficial effects on skin temperatures than heating the chest. Originality/value: First of all, this study was the first report to evaluate cold protective clothing with graphene heaters. Second, the authors provided effective intermittent heating protocols in terms of reducing power consumption, which was able to be evaluated with the characteristics of fast-responsive graphene heaters. Third, an intermittent heating protocol on the back was recommended to keep a balance between saving electric power and minimizing thermal discomfort in cold environments.
ISSN
0955-6222
URI
https://hdl.handle.net/10371/172195
DOI
https://doi.org/10.1108/IJCST-03-2017-0026
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College of Natural Sciences (자연과학대학)Dept. of Chemistry (화학부)Journal Papers (저널논문_화학부)
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