Investigation of absorption coefficient measurement of acoustical materials by boundary element method using particle velocity and sound pressure sensor in free field

Kunikazu Hirosawa; Hiroshi Nakagawa; Makoto Kon; Aki Yamamoto

doi:10.1250/ast.30.442

Acoustical Science and Technology

Online ISSN : 1347-5177
Print ISSN : 1346-3969
ISSN-L : 0369-4232

ACOUSTICAL LETTERS

Investigation of absorption coefficient measurement of acoustical materials by boundary element method using particle velocity and sound pressure sensor in free field

Kunikazu Hirosawa, Hiroshi Nakagawa, Makoto Kon, Aki Yamamoto

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Keywords: Absorption coefficient, Free field, Area effect, Spherical wave field, Boundary element method

JOURNAL FREE ACCESS

2009 Volume 30 Issue 6 Pages 442-445

DOI https://doi.org/10.1250/ast.30.442

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