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The influence of air humidity on the human heat stress in a hot environment.
Int J Occup Saf Ergon. 2019 Nov 28 [Online ahead of print]IJ

Abstract

The article aims to present the physical adaptation capabilities of a human, seen as a response to extreme hot and dry and hot and humid conditions. Adaptation capabilities are expressed as safe exposure time in two variants: at rest and during physical activity.The study shows the results of calculations of the variability over time of core temperature and skin temperature as well as heat balance. Calculations were made according to Standard No. EN ISO 7933:2005 on the basis of assumed and actual meteorological data.The results of the calculations show that in the conditions a hot but dry environment enables a human (although to a limited extent) to stay and perform low physical activity, provided access to drinking water is ensured. In contrast, a hot but humid environment causes more serious problems, due to the inability to reduce skin temperature by evaporation of sweat from the skin surface.

Authors+Show Affiliations

Department of Ergonomics, Central Institute for Labour Protection - National Research Institute, Czerniakowska St. 16, 00-701 Warsaw, Poland.Department of Ergonomics, Central Institute for Labour Protection - National Research Institute, Czerniakowska St. 16, 00-701 Warsaw, Poland.Department of Ergonomics, Central Institute for Labour Protection - National Research Institute, Czerniakowska St. 16, 00-701 Warsaw, Poland.Department of Ergonomics, Central Institute for Labour Protection - National Research Institute, Czerniakowska St. 16, 00-701 Warsaw, Poland.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

31779525

Citation

Andrzej, Sobolewski, et al. "The Influence of Air Humidity On the Human Heat Stress in a Hot Environment." International Journal of Occupational Safety and Ergonomics : JOSE, 2019, pp. 1-21.
Andrzej S, Magdalena M, Maria K, et al. The influence of air humidity on the human heat stress in a hot environment. Int J Occup Saf Ergon. 2019.
Andrzej, S., Magdalena, M., Maria, K., & Joanna, B. (2019). The influence of air humidity on the human heat stress in a hot environment. International Journal of Occupational Safety and Ergonomics : JOSE, 1-21. https://doi.org/10.1080/10803548.2019.1699728
Andrzej S, et al. The Influence of Air Humidity On the Human Heat Stress in a Hot Environment. Int J Occup Saf Ergon. 2019 Nov 28;1-21. PubMed PMID: 31779525.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - The influence of air humidity on the human heat stress in a hot environment. AU - Andrzej,Sobolewski, AU - Magdalena,Młynarczyk, AU - Maria,Konarska, AU - Joanna,Bugajska, Y1 - 2019/11/28/ PY - 2019/11/30/entrez PY - 2019/11/30/pubmed PY - 2019/11/30/medline KW - PHS KW - air humidity KW - heat balance KW - heat stress KW - hot environment KW - partial pressure of water vapor SP - 1 EP - 21 JF - International journal of occupational safety and ergonomics : JOSE JO - Int J Occup Saf Ergon N2 - The article aims to present the physical adaptation capabilities of a human, seen as a response to extreme hot and dry and hot and humid conditions. Adaptation capabilities are expressed as safe exposure time in two variants: at rest and during physical activity.The study shows the results of calculations of the variability over time of core temperature and skin temperature as well as heat balance. Calculations were made according to Standard No. EN ISO 7933:2005 on the basis of assumed and actual meteorological data.The results of the calculations show that in the conditions a hot but dry environment enables a human (although to a limited extent) to stay and perform low physical activity, provided access to drinking water is ensured. In contrast, a hot but humid environment causes more serious problems, due to the inability to reduce skin temperature by evaporation of sweat from the skin surface. SN - 2376-9130 UR - https://www.unboundmedicine.com/medline/citation/31779525/The_influence_of_air_humidity_on_the_human_heat_stress_in_a_hot_environment L2 - http://www.tandfonline.com/doi/full/10.1080/10803548.2019.1699728 DB - PRIME DP - Unbound Medicine ER -
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