Solar absorption index (SAI) as a parameter to assess the coolness of fabrics exposed to sunlight
Fibres and Textiles in Eastern Europe, ISSN: 2300-7354, Vol: 28, Issue: 5, Page: 44-49
2020
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
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Article Description
Any textiles intended for outdoor usage, particularly in a hot climate with intense sunlight, must be designed and engineered to provide cooling comfort to the wearer. In the case of apparel, clothing creates a microclimate that helps the body maintain its regular thermoregulatory and physiological activities while offering protection against outdoor exposure to UV rays. It is well known that fabrics that absorb significant amounts of solar radiation become inherently hot and feel uncomfortable. This article presents a review of the fundamental radiation interaction mechanisms of fabrics and discusses the key role that fabric structure plays in fabric radiation absorption to determine how cool or hot a fabric will become when exposed to sunlight. A new parameter called the Solar Absorption Index (SAI) is introduced and can be used to characterise the level of coolness (or hotness) of a fabric exposed to solar radiation. The SAI is calculated directly from the fabric’s temperature, ultimately the main factor in determining fabric ability to stay cool. The discussion presented in this article focuses solely on the interaction between solar radiation and fabrics without considering the effects of convection, conduction or any interdependency with the moisture level in the environment.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85092173754&origin=inward; http://dx.doi.org/10.5604/01.3001.0014.2383; https://ftee.com.pl/gicid/01.3001.0014.2383; https://dx.doi.org/10.5604/01.3001.0014.2383; https://ftee.com.pl:443/resources/html/article/details?id=205526&language=en
Walter de Gruyter GmbH
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