Nonwoven fabrics developed from agriculture and industrial waste for acoustic and thermal applications

Abstract Numerous researchers in the field of noise control and acoustics have found success using biomaterials to create a porous sound absorber that is both effective environmentally friendly. This paper discusses utilization fibers extracted from waste coffee husk (CH) cotton (CO) spinning industry be an alternative synthetic-based acoustic materials. The study was conducted within range 50–6300 (Hz) frequency. Five well-known mathematical prediction models, namely Delany–Bazley (D–B), Garai–Pompoli (G–P), Miki, Allard Champoux (AC), Johnson–Champoux–Allard (JCA) models are theoretically used predict absorption coefficient nonwoven fibrous When compared with experimental data, it discovered JCA AC model most acceptable for predicting behavior CH/CO Additionally, thermal insulation materials has been experimentally numerically studied. It noteworthy that, when Herman model, Bhattacharyya model’s results showed slightly greater conductivities. Overall, this work friendly way turn into valuable product.