Prediction of air permeability and effective thermal conductivity of multifilament polyester yarn by finite element analysis

Muhammad Owais Raza Siddiqui; Salma Farooq; Muhammad Dawood Husain; Saira Faisal

doi:10.14314/polimery.2023.1.2

Published : 2023-02-23

Vol. 68 No. 1 (2023)

Prediction of air permeability and effective thermal conductivity of multifilament polyester yarn by finite element analysis

Muhammad Owais Raza Siddiqui https://orcid.org/0000-0002-4687-2125 Salma Farooq https://orcid.org/0000-0002-7010-357X Muhammad Dawood Husain https://orcid.org/0000-0001-6317-7127 Saira Faisal https://orcid.org/0000-0002-6947-1885

DOI: https://doi.org/10.14314/polimery.2023.1.2

Abstract

The effective thermal conductivity and air permeability of a multifilament polyester yarn used in sports T-shirts was investigated by computer modeling using finite element analysis. It has been shown that the number of fibers, the porosity of the yarn and the proportion of fibers in the volume fraction of the yarn have a direct effect on the effective thermal conductivity and air permeability of the multifilament yarn. It was found that with the increase in the number of fibers, the porosity of the yarn decreases linearly, while the volume fraction of the fibers increases, and thus the effective thermal conductivity increases. In addition, air permeability decreases exponentially.

Keywords

sportswear ; , thermal conductivity ; air permeability ; finite element analysis odzież sportowa ; przewodzenie ciepła ; przepuszczalność powietrza ; analiza elementów skończonych

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Siddiqui, M. O. R., Farooq, S., Husain, M. D., & Faisal, S. (2023). Prediction of air permeability and effective thermal conductivity of multifilament polyester yarn by finite element analysis . Polimery, 68(1), 6-18. https://doi.org/10.14314/polimery.2023.1.2

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Muhammad Owais Raza Siddiqui orazas@neduet.edu.pk
https://orcid.org/0000-0002-4687-2125

Affiliation
Department of Textile Engineering, NED University of Engineering and Technology, University Road, 75270, Karachi, Pakistan

Bio Statement (e.g., department and rank)

Associate Professor,

Department of Textile Engineering

NED University of Engineering & Technology, Karachi-75270, Pakistan

Salma Farooq
https://orcid.org/0000-0002-7010-357X

Affiliation
Department of Textile Engineering, NED University of Engineering and Technology, University Road, 75270, Karachi, Pakistan

Bio Statement (e.g., department and rank)

Associate Professor,
Department of Textile Engineering
NED University of Engineering & Technology, Karachi-75270, Pakistan

Muhammad Dawood Husain
https://orcid.org/0000-0001-6317-7127

Affiliation
Department of Textile Engineering, NED University of Engineering and Technology, University Road, 75270, Karachi, Pakistan

Bio Statement (e.g., department and rank)

Professor,

Department of Textile Engineering

NED University of Engineering & Technology, Karachi-75270, Pakistan

Saira Faisal
https://orcid.org/0000-0002-6947-1885

Affiliation
Department of Textile Engineering, NED University of Engineering and Technology, University Road, 75270, Karachi, Pakistan.

Bio Statement (e.g., department and rank)

Associate Professor,
Department of Textile Engineering
NED University of Engineering & Technology, Karachi-75270, Pakistan