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Thermal Effusivity Assessment of Sportswear Fabrics in the Dry State: Stacked and Air-Hoop Methods
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- Author(s) / Creator(s)
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Thermal effusivity is an essential fabric characteristic that influences the perception of coolness or warmth due to the exchange of thermal energy between the human body and the cloth layer when they come into contact. In the current study, thermal effusivity measurements were conducted on a series of sportswear fabrics using the stacked method (ASTM D7984-21) and a modified air-hoop method. The results revealed that the pressure range specified in ASTM D7984-21 has the potential to compress the fabric, resulting in material-based thermal effusivity measurement. Applying a pressure of 1 kPa improves measurement accuracy while preserving the fabric’s 3D structure. Both methods exhibit a strong correlation for fabric thicknesses ≥ 0.4 mm.
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- Date created
- 2024-01-01
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- Type of Item
- Article (Published)