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Cellulosic fibres are increasingly finding their application in structural and non structural applications due to their abundance in nature, biodegradability and minimum wear and tear of machine parts. This study focuses on use of banana fibres for producing a sound absorbing material. Banana fibres were cut into different lengths and used to produce fibre beds with randomly oriented fibres inside it. The porous structures produced by banana fibres were able to dissipate the sound waves effectively. The effect of fibre length was determined on sound absorption coefficient at various frequencies and it was observed that fibre length was a crucial parameter while producing a structure for absorbing sound.
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