Comparison results of radiated noise between numerical simulation and wind tunnel test at a train speed of 300 km·h−1 (unit: dB)
| Channel no. | First row (0.8H1 from the floor) | Second row (1.6H1 from the floor) | ||
|---|---|---|---|---|
| Test value | Simulation calculation value | Test value | Simulation calculation value | |
| 1 | 88.6 | 88.3 | 88.8 | 88.1 |
| 2 | 88.6 | 89.1 | 88.9 | 88.9 |
| 2 | 88.8 | 89.8 | 89.4 | 89.6 |
| 4 | 89.8 | 90.5 | 90.3 | 90.3 |
| 5 | 89.9 | 91.2 | 90.3 | 91.0 |
| 6 | 89.6 | 91.3 | 90.2 | 91.1 |
| 7 | 89.9 | 91.2 | 90.1 | 91.0 |
| 8 | 89.9 | 91.2 | 90.3 | 91.0 |
| Channel no. | First row (0.8 | Second row (1.6 | ||
|---|---|---|---|---|
| Test value | Simulation calculation value | Test value | Simulation calculation value | |
| 1 | 88.6 | 88.3 | 88.8 | 88.1 |
| 2 | 88.6 | 89.1 | 88.9 | 88.9 |
| 2 | 88.8 | 89.8 | 89.4 | 89.6 |
| 4 | 89.8 | 90.5 | 90.3 | 90.3 |
| 5 | 89.9 | 91.2 | 90.3 | 91.0 |
| 6 | 89.6 | 91.3 | 90.2 | 91.1 |
| 7 | 89.9 | 91.2 | 90.1 | 91.0 |
| 8 | 89.9 | 91.2 | 90.3 | 91.0 |
Source(s): Author’s own work
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