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

Acoustical Science and Technology

Aki Yamamoto¹  Hiroshi Nakagawa¹  Makoto Kon¹  Kunikazu Hirosawa¹ 

[1] Nittobo Acoustic Engineering Co., Ltd.

关键词: Absorption coefficient;    Free field;    Area effect;    Spherical wave field;    Boundary element method;   

DOI  :  10.1250/ast.30.442

学科分类：声学和超声波

来源: Acoustical Society of Japan

【 授权许可】

Unknown