Research Article
Analysis of Acoustic Characteristics of Arbitrary Triangular Prism and Quadrangular Prism Acoustic Cavities
Table 5
The first eight natural frequencies (Hz) of the triangular prism acoustic cavity with various cavity depths.
| Mediums | Depths | Model sequence | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
| Air | 0.2 | 192.21 | 235.78 | 356.04 | 413.07 | 462.38 | 533.42 | 568.43 | 645.54 | 0.3 | 192.21 | 235.78 | 356.04 | 413.07 | 462.38 | 533.42 | 566.67 | 568.43 | 0.4 | 192.21 | 235.78 | 356.04 | 413.07 | 425.00 | 462.38 | 466.44 | 486.02 | 0.5 | 192.21 | 235.78 | 340.00 | 356.04 | 390.57 | 413.07 | 413.75 | 462.38 | 0.6 | 192.21 | 235.78 | 283.33 | 342.38 | 356.04 | 368.60 | 413.07 | 455.02 | 0.7 | 192.21 | 235.78 | 242.86 | 309.72 | 338.48 | 356.04 | 413.07 | 430.98 | 0.8 | 192.21 | 212.50 | 235.78 | 286.53 | 317.41 | 356.04 | 413.07 | 414.64 |
| Water | 0.2 | 836.68 | 1026.32 | 1549.83 | 1798.09 | 2012.71 | 2321.95 | 2474.36 | 2809.99 | 0.3 | 836.68 | 1026.32 | 1549.83 | 1798.09 | 2012.71 | 2321.95 | 2466.67 | 2474.36 | 0.4 | 836.68 | 1026.32 | 1549.83 | 1798.09 | 1850.00 | 2012.71 | 2030.40 | 2115.61 | 0.5 | 836.68 | 1026.32 | 1480.00 | 1549.83 | 1700.13 | 1798.09 | 1801.03 | 2012.71 | 0.6 | 836.68 | 1026.32 | 1233.33 | 1490.35 | 1549.83 | 1604.50 | 1798.09 | 1980.68 | 0.7 | 836.68 | 1026.32 | 1057.14 | 1348.18 | 1473.39 | 1549.83 | 1798.09 | 1876.04 | 0.8 | 836.68 | 925.00 | 1026.32 | 1247.26 | 1381.65 | 1549.83 | 1798.09 | 1804.88 |
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