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Field-Based Thermal Physiology Assay: Cold Shock Recovery under Ambient Conditions
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Indoor human thermal adaptation: dynamic processes and weighting factors
M Luo1,2, B Cao1,3, Q Ouyang1,3
1Department of Building Science, Tsinghua University, Beijing, China.
Indoor Air
|July 28, 2016
Summary
Previous indoor thermal exposure significantly influences human physiological adaptation. Individuals accustomed to warmer environments experience greater discomfort in cold conditions compared to those adapted to cooler indoor climates.
Area of Science:
- Environmental Science
- Human Physiology
- Building Science
Background:
- Indoor climate change significantly impacts human comfort and health.
- Understanding human thermal adaptation is crucial for designing healthy indoor environments.
- Previous thermal exposure shapes physiological responses to indoor climate variations.
Purpose of the Study:
- To investigate the correlation between indoor climate change and human thermal adaptation.
- To determine the timescale and weighting factors of physiological adaptation.
- To compare thermal adaptation in different indoor climate experiences.
Main Methods:
- A comparative experiment was conducted in China with four subject groups.
- Participants experienced different wintertime indoor climate conditions (heated vs. unheated).
- Climate chamber experiments assessed physiological responses to thermal exposures.
Main Results:
- Prior indoor thermal exposure is a key factor in physiological adaptation.
- Subjects acclimated to warm indoor environments showed stronger responses and discomfort in cold.
- Physiological adaptation speed trails behind subjective perception changes.
Conclusions:
- Physiological acclimation is a significant component of human thermal adaptation.
- Adapting to warmer indoor climates can decrease tolerance to cold exposures.
- Further research needed on the dynamics of physiological adaptation versus subjective perception.
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