Research Article
Analysis of Acoustic Characteristics of Arbitrary Triangular Prism and Quadrangular Prism Acoustic Cavities
Table 6
The first eight natural frequencies (Hz) of the quadrangular prism acoustic cavity with various cavity depths.
| Mediums | Depths | Model sequence | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
| Air | 0.2 | 208.17 | 235.92 | 344.78 | 396.33 | 464.77 | 523.95 | 554.15 | 586.23 | 0.3 | 208.17 | 235.92 | 344.78 | 396.33 | 464.77 | 523.95 | 554.15 | 566.67 | 0.4 | 208.17 | 235.92 | 344.78 | 396.33 | 425.00 | 464.77 | 473.24 | 486.09 | 0.5 | 208.17 | 235.92 | 340.00 | 344.78 | 396.33 | 398.66 | 413.83 | 464.77 | 0.6 | 208.17 | 235.92 | 283.33 | 344.78 | 351.58 | 368.69 | 396.33 | 446.26 |
| Water | 0.2 | 906.14 | 1026.94 | 1500.80 | 1725.20 | 2023.12 | 2280.72 | 2412.20 | 2551.84 | 0.3 | 906.14 | 1026.94 | 1500.80 | 1725.20 | 2023.12 | 2280.72 | 2412.20 | 2466.67 | 0.4 | 906.14 | 1026.94 | 1500.80 | 1725.20 | 1850.00 | 2023.12 | 2060.00 | 2115.92 | 0.5 | 906.14 | 1026.94 | 1480.00 | 1500.80 | 1725.20 | 1735.36 | 1801.39 | 2023.12 | 0.6 | 906.14 | 1026.94 | 1233.33 | 1500.80 | 1530.42 | 1604.91 | 1725.20 | 1942.55 |
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