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Study on Absorption Property of Porous Sound-Absorbing Materials
LIU Peng-Hui;YANG Yi-qian;YAO Jing-chuan
2011, 31 (2):
123-126.
DOI: 10.3969/j.issn.1006-1355-2011.02.029
Porous sound-absorbing materials are widely used because of its high sound absorption coefficient and wide absorption frequency range. In this paper, a model of sound absorption materials is adopted, and the design parameters are computed. The influence of porosity, diameter of holes, thickness and structure of the material on its sound-absorbing property is analyzed. This work provides a reference for the development of new sound-absorbing material.
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