Conductive Heat Transfer Prediction of Plain Socks in Wet State

• Autorzy: Mansoor Tariq , Hes Lubos , Khalil Amany , Militky Jiri , Tunak Maros , Bajzik Vladimir , Kyosev Yordan

Identyfikatory

DOI

10.2478/aut-2021-0032

• Języki publikacji: EN

Abstrakty

EN

In this study, an algebraic model and its experimental verification was carried out to investigate the effect of moisture content on the heat loss that takes place due to conduction of sock fabrics. The results show that increasing moisture content in the studied socks caused a significant increase in their conductive heat loss. Plain knitted socks with different fiber composition were wetted to a saturated level, and then their moisture content was reduced stepwise. When achieving the required moisture content, the socks samples were characterized by the Alambeta testing instrument for heat transfer. Three different existing modified mathematical models for the thermal conductivity of wet fabrics were used for predicting thermal resistance of socks under wet conditions. The results from both ways are in very good agreement for all the socks at a 95% confidence level. In the above-mentioned models, the prediction of thermal resistance presents newly a combined effect of the real filling coefficient and thermal conductivity of the so-called “wet” polymers instead of dry polymers. With these modifications, the used models predicted the thermal resistance at different moisture levels. Predicted thermal resistance is converted into heat transfer (due to conduction) with a significantly high coefficient of correlation.

Słowa kluczowe

EN

heat transfer; mathematical modeling; plain socks; moisture content; filling coefficient; volume porosity

PL

przenoszenie ciepła; modelowanie matematyczne; skarpety; zawartość wilgoci; współczynnik wypełnienia; porowatość objętościowa

• Wydawca: Lodz University of Technology, Faculty of Material Technologies and Textile Design
• Czasopismo: Autex Research Journal
• Rocznik: 2022
• Tom: Vol. 22, no. 4
• Strony: 391--403
• Opis fizyczny: Bibliogr. 54 poz.

Twórcy

autor

Mansoor Tariq

• Faculty of Textile Engineering, Technical University of Liberec, Czech Republic

autor

Hes Lubos

• Faculty of Textile Engineering, Technical University of Liberec, Czech Republic

autor

Khalil Amany

• Faculty of Textile Engineering, Technical University of Liberec, Czech Republic

autor

Militky Jiri

• Faculty of Textile Engineering, Technical University of Liberec, Czech Republic

autor

Tunak Maros

• Faculty of Textile Engineering, Technical University of Liberec, Czech Republic

autor

Bajzik Vladimir

• Faculty of Textile Engineering, Technical University of Liberec, Czech Republic

autor

Kyosev Yordan

• Institute for Textile Machinery and Textile High-Performance Materials Technology (ITM), Technical University, Dresden, Germany

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Uwagi

Opracowanie rekordu ze środków MEiN, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2022-2023).