Numerical study on sound absorption characteristics of resonance-type brick/block walls

Acoustical Science and Technology

Volumn 21, Issue 1, 2000, Pages 9-15

  Sakamoto, Shinichi ^a   Mukai, Hikari ^b   Tachibana, Hideki ^a  

^a INSTITUTE OF INDUSTRIAL SCIENCE   (Japan)

^b Ono Sokki Co   (Japan)

Author keywords

Brick block sound absorbing wall; Finite element method; Helmholtz resonance; Open pipe resonance; Sound absorption

Indexed keywords

ACOUSTIC WAVE SCATTERING; COMPUTATIONAL METHODS; FINITE ELEMENT METHOD; RESONANCE; WALLS (STRUCTURAL PARTITIONS);

HELMHOLTZ RESONANCE; OPEN-PIPE RESONANCE; WAVE SCATTERING THEORY;

ACOUSTIC WAVE ABSORPTION;

EID: 0033904861     PISSN: 13463969     EISSN: None     Source Type: Journal    
DOI: 10.1250/ast.21.9     Document Type: Article

References (6)

1. H. Mukai, S. Sakamoto, and H. Tachibana, "Sound absorption characteristics of brick/block sound absorbing walls -Part 1: Experimental study-," J. Acoust. Soc. Jpn. (E) 20, 433-438 (1999).
2. D. Takahashi, "A new method for predicting the sound absorption of perforated absorber systems," Applied Acoustics 51, 71-84 (1997).
3. T. Fujimoto and K. Fujiwara, "Low frequency sound absorption coefficients of slit resonators with specific ribs," J. Acoust. Soc. Jpn. (J) 52, 281-288 (1996)(in Japanese).
4. P. M. Morse and K. U. Ingard, Theoretical Acoustics (McGraw-Hill, NewYork, 1968), Chap.6, 290.
5. Y. Miki, "Acoustical properties of porous materials -Modification of Delany Bazley models-", J. Acoust. Soc. Jpn. (E) 11, 19-24 (1990).
6. H. Tachibana, K. Ishii, and O. Hirano, "Acoustic model experiment by N2 substitution method," J. Acoust. Soc. Jpn. (J) 27, 613-169 (1971) (in Japanese).