Towards a better understanding and knowledge of biobased materials through a new acoustic database

P. Glé, T. Blinet, C. Guigou-Carter, T. Falwisanner, E. Kadri & F. Bou-Cherifi
In this work, the acoustical performances of building elements including natural sustainable fibrous and granular materials have been evaluated to create a new database. These characterisations have been carried out at two scales. On the one hand, the physical parameters of the considered biobased materials have been characterised in Cerema laboratory at the material scale; the sound absorption and transmission loss were mainly obtained in normal incidence from Kundt tube measurements, following the three microphones...
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