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3. Environmental impact on comfort
Semi-open spaces are subject to wide variations in ambient conditions, particularly air velocity and mean radiant temperature.
In this section, we focus on their effects on simulated physiological reactions.
3.1 Air velocities and cladding properties
Thermal and vapor permeation resistances are actually affected by the "pumping" effects of the wearer's movements, which encourage air to enter the garment, and by wind-driven air movements.
This reduces their convective properties, as well as their resistance to water vapour transfer.
The following paragraphs describe the calculation of the decrease in these resistances in accordance with ISO 9920, the genesis of which is explained in articles...
The Ultimate Scientific and Technical Reference
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Environmental impact on comfort
Influence of physiological variability on Standard Effective Temperature
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