Appendix D: Predictor Input Data
D 1: Raw Measurement Data and Sound Power Calculation – Truck
Frequency | Surface Correction(dBA) | Measurement Distance (m) | Sound Pressure (dBA) | Sound Power (dBA) |
---|---|---|---|---|
25 Hz | 3 | 5 | 15.04 | 37.0 |
31.5 Hz | 3 | 5 | 31.0 | 53.0 |
40 Hz | 3 | 5 | 24.39 | 46.4 |
50 Hz | 3 | 5 | 32.87 | 54.8 |
63 Hz | 3 | 5 | 48.84 | 70.8 |
80 Hz | 3 | 5 | 42.84 | 64.8 |
100 Hz | 3 | 5 | 51.05 | 73.0 |
125 Hz | 3 | 5 | 49.54 | 71.5 |
160 Hz | 3 | 5 | 50.78 | 72.8 |
200 Hz | 3 | 5 | 48.01 | 70.0 |
250 Hz | 3 | 5 | 50.2 | 72.2 |
315 Hz | 3 | 5 | 53.63 | 75.6 |
400 Hz | 3 | 5 | 56.22 | 78.2 |
500 Hz | 3 | 5 | 55.6 | 77.6 |
630 Hz | 3 | 5 | 59.89 | 81.9 |
800 Hz | 3 | 5 | 59.55 | 81.5 |
1 kHz | 3 | 5 | 60.22 | 82.2 |
1.25 kHz | 3 | 5 | 61.1 | 83.1 |
1.6 kHz | 3 | 5 | 62.09 | 84.1 |
2 kHz | 3 | 5 | 62.11 | 84.1 |
2.5 kHz | 3 | 5 | 59.51 | 81.5 |
3.15 kHz | 3 | 5 | 54.45 | 76.4 |
4 kHz | 3 | 5 | 54.07 | 76.0 |
5 kHz | 3 | 5 | 50.16 | 72.1 |
6.3 kHz | 3 | 5 | 47.92 | 69.9 |
8 kHz | 3 | 5 | 46.66 | 68.6 |
10 kHz | 3 | 5 | 38.9 | 60.9 |