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  4. Deposition of inhalable particles onto human clothing: A manikin-based chamber study
 
research article

Deposition of inhalable particles onto human clothing: A manikin-based chamber study

Jhang, Han-Yun  
•
Yang, Shen  
•
Licina, Dusan  
November 4, 2023
Building And Environment

Clothing has been identified as a potential source of exposure to particulate matter accumulated from human and environmental sources. However, limited studies have investigated the deposition of airborne particles onto worn clothing surfaces. In a controlled chamber, we investigated size-resolved particle deposition (0.2-10 mu m) onto a seated thermal manikin as a function of (i) distinct clothing materials and skin area coverages, including (a) short-sleeve cotton shirt (63 % cotton, 34 % polyester, 3 % elastane), (b) long-sleeve cotton shirt (98 % cotton, 2 % elastane), (c) short-sleeve polyester shirt (100 % polyester), (d) long-sleeve fleece jacket (100 % polyester), and (e) long-sleeve sweater (68 % wool, 32 % polyamide); and (ii) three air speeds (19 cm/s, 26 cm/s, and 33 cm/s). We found that the size-dependent particle deposition loss rate coefficients onto high-roughness clothing material, such as wool/polyamide, were 2-27 % higher than smooth materials, such as cotton. Roughness parameters of clothing were found to be positively associated with deposition loss rate coefficients. As the air speed in the chamber increased, the deposition loss rate coefficient increased. Expectedly, we observed an exponential relationship between deposition loss rate coefficients and particle size. Our results suggest that the type and properties of clothing and air speed are strong determinants of environmental particle uptake by the clothing and could play an essential role in influencing the inhalation exposure of the wearer.

  • Details
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Type
research article
DOI
10.1016/j.buildenv.2023.110986
Web of Science ID

WOS:001111272700001

Author(s)
Jhang, Han-Yun  
Yang, Shen  
Licina, Dusan  
Date Issued

2023-11-04

Publisher

Pergamon-Elsevier Science Ltd

Published in
Building And Environment
Volume

246

Article Number

110986

Subjects

Technology

•

Particulate Matter

•

Clothing

•

Roughness

•

Fabric

•

Airspeed

•

Inhalation Exposure

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
HOBEL  
FunderGrant Number

EPFL -Ministry of Education (MOE) Taiwan

EPFL

Available on Infoscience
February 19, 2024
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/204327
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