Open AccessThe usage of natural materials for the green acoustic panels based on the coconut fibers and the citric acid solutions
Author(s) -
Zulfi Aulia Rachman,
Sentagi Sesotya Utami,
Joko Sarwono,
Ragil Widyorini,
Hilda Rasnia Hapsari
Publication year - 2018
Publication title -
journal of physics. conference series
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.21
H-Index - 85
eISSN - 1742-6596
pISSN - 1742-6588
DOI - 10.1088/1742-6596/1075/1/012048
Subject(s) - citric acid , noise reduction coefficient , materials science , environmentally friendly , fiber , absorption (acoustics) , composite material , acoustic impedance , attenuation coefficient , scanning electron microscope , acoustics , chemistry , porosity , optics , ultrasonic sensor , ecology , physics , organic chemistry , biology