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Heat transfer through protective clothing under symmetric and asymmetric long wave thermal radiation

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journal contribution
posted on 2012-01-20, 14:52 authored by Peter Broede, Kalev Kuklane, Victor Candas, Emiel A. den Hartog, Barbara Griefahn, Ingvar Holmer, Harriet Meinander, Wolfgang Nocker, Mark Richards, George HavenithGeorge Havenith
This report considers results of an EU funded research on thermal properties of protective clothing and their use in the assessment of the thermal strain at work. In order to study the effects of the asymmetry of long wave thermal radiation on the heat transfer through protective clothing, the heat loss under all-side and unilaterally applied radiation with the same incident radiant power of 279 W/m2 was measured with a thermal manikin and compared to a reference condition where mean radiant temperature was equal to air temperature. With exposure to radiation a lowered heat loss, i.e. heat gain for the whole covered body area was observed, which did not depend on radiant asymmetry for the dry as well as for the combined dry and evaporative heat loss, and which was attenuated when wearing a more insulating underwear. However, under one-sided radiation a more inhomogeneous spatial distribution occurred with higher heat gains and higher surface temperatures at the irradiated body parts.

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  • Design

Citation

BRODE, P... et al., 2008. Heat transfer through protective clothing under symmetric and asymmetric long wave thermal radiation. Zeitschrift fur Arbeitswissenschaft, 62 pp. 237 - 300

Publisher

© Ergonomics Publishing

Version

  • AM (Accepted Manuscript)

Publication date

2008

ISSN

0340-2444

Publisher version

Language

  • en

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