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A Multi-Segmented Human Bioheat Model for Asymmetric High Temperature Environments.

Jing Geng1,2, Yin Gu1,2, Wenguo Weng1,2

  • 1Institute of Public Safety Research, Department of Engineering Physics, Tsinghua University, Beijing 100084, China.

International Journal of Environmental Research and Public Health
|November 26, 2022
PubMed
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A new human bioheat model accurately predicts skin temperature in non-uniform high-temperature workplaces. This research supports better protection against local heat stress and discomfort for essential workers.

Keywords:
asymmetric high-temperature environmentshuman bioheat modelhuman physiological responses

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Area of Science:

  • Occupational Health and Safety
  • Thermal Physiology
  • Biomedical Engineering

Background:

  • Workers in industries like steel and construction face non-uniform high temperatures, increasing risks of heat stress and discomfort.
  • Existing models may not fully capture thermal responses in asymmetric thermal environments.

Purpose of the Study:

  • To develop and validate a multi-segment human bioheat model for predicting thermal responses in asymmetric high-temperature environments.
  • To assess the model's sensitivity to angular skin temperature changes and thermoregulatory effects.

Main Methods:

  • Development of a multi-segment human bioheat model incorporating angular skin temperature variations.
  • Validation of the model against existing data and experimental results for asymmetric high-temperature conditions.

Main Results:

  • The extended model demonstrates improved accuracy in predicting human skin temperature.
  • Local skin temperature predictions under non-uniform conditions showed high consistency with experimental data (max difference of 2 °C).

Conclusions:

  • The proposed bioheat model accurately predicts core and skin temperatures.
  • The model offers potential for estimating physiological and thermoregulatory responses, aiding in heat stress protection strategies.