Research Article
Numerical Investigation of Aerodynamic Noise Reduction of Nonpneumatic Tire Using Nonsmooth Riblet Surface
Table 7
Changes in SPLs with carious riblet dimensions.
| | Scheme number | Triangular cross section length (mm) | Riblet pitch (mm) | | Total SPL (dB) | (dB) |
| | Original model | — | — | — | 71.1566 | — | | B1 | 1 | 2.00 | 48.5 | 74.7221 | 3.5655 | | B2 | 2 | 4.02 | 24 | 70.5889 | -0.5677 | | B3 | 3 | 6.00 | 16 | 65.9669 | -5.1897 | | B4 | 4 | 7.96 | 12 | 66.1336 | -5.0230 | | B5 | 5 | 10.0 | 9.5 | 71.6285 | 0.4719 |
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