Research Article
Acoustic Properties of Multi-Layer Coir Fibres Sound Absorption Panel
Department of Mechanical and Materials Engineering, Faculty of Engineering, Universiti Kebangsaan, 43600 UKM, Bangi, Selangor, Malaysia
M.J. Mohd Nor
Department of Mechanical and Materials Engineering, Faculty of Engineering, Universiti Kebangsaan, 43600 UKM, Bangi, Selangor, Malaysia
M.F. Mat Tahir
Department of Mechanical and Materials Engineering, Faculty of Engineering, Universiti Kebangsaan, 43600 UKM, Bangi, Selangor, Malaysia
A.R. Ismail
Department of Mechanical and Materials Engineering, Faculty of Engineering, Universiti Kebangsaan, 43600 UKM, Bangi, Selangor, Malaysia
M.Z. Nuawi
Department of Mechanical and Materials Engineering, Faculty of Engineering, Universiti Kebangsaan, 43600 UKM, Bangi, Selangor, Malaysia