Experimental and Modelling Studies on Thermal Insulation and Sound Absorption Properties of Cross-Laid Nonwoven Fabrics

• Autorzy: Yang Tao , Hu Lizhu , Xiong Xiaoman , Petrů Michal , Palanisamy Sundaramoorthy , Yang Kai , Novák Jan , Militký Jiří

Identyfikatory

DOI

10.2478/aut-2021-0012

• Języki publikacji: EN

Abstrakty

EN

Nonwoven fabrics are widely used for thermal insulation and sound absorption purpose in construction and automobile fields. It is essential to investigate their thermal conductivity and sound absorption coefficient. Five cross-laid nonwoven fabrics are measured on the Alambeta device and Brüel & Kjær impedance tube. Bogaty and Bhattacharyya models are selected to predict the thermal conductivity, and Voronina and Miki models are used to predict the sound absorption coefficient. The predicted thermal conductivity shows a significant difference compared with the measured values. It is concluded that Bogaty and Bhattacharyya models are not suitable for high porous nonwoven fabric. In addition, the results of Voronina and Miki models for sound absorption prediction are acceptable, but Voronina model shows lower mean prediction error compared with Miki model. The results indicate that Voronina model can be used to predict the sound absorption of cross-laid nonwoven fabric.

Słowa kluczowe

EN

thermal insulation; sound absorption; nonwoven; polyester

PL

izolacja cieplna; pochłanianie dźwięku; włóknina; poliester

• Wydawca: Lodz University of Technology, Faculty of Material Technologies and Textile Design
• Czasopismo: Autex Research Journal
• Rocznik: 2022
• Tom: Vol. 22, no. 3
• Strony: 264--271
• Opis fizyczny: Bibliogr. 33 poz.

Twórcy

autor

Yang Tao

• Institute for Nanomaterials, Advanced Technologies and Innovation, Technical University of Liberec, 46117 Liberec, Czech Republic

autor

Hu Lizhu

• Jiangxi Center for Modern Apparel Engineering and Technology, Jiangxi Institute of Fashion Technology, Nanchang, 330200, China

autor

Xiong Xiaoman

• Department of Material Engineering, Faculty of Textile Engineering, Technical University of Liberec, Liberec 46117, Czech Republic

autor

Petrů Michal

• Institute for Nanomaterials, Advanced Technologies and Innovation, Technical University of Liberec, 46117 Liberec, Czech Republic

autor

Palanisamy Sundaramoorthy

• Department of Material Engineering, Faculty of Textile Engineering, Technical University of Liberec, Liberec 46117, Czech Republic

autor

Yang Kai

• Department of Material Engineering, Faculty of Textile Engineering, Technical University of Liberec, Liberec 46117, Czech Republic

autor

Novák Jan

• Department of Vehicles and Engines, Faculty of Mechanical Engineering, Technical University of Liberec, Liberec 46117, Czech Republic

autor

Militký Jiří

• Department of Material Engineering, Faculty of Textile Engineering, Technical University of Liberec, Liberec 46117, Czech Republic

Bibliografia

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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).