车速(km·h-1) | 行驶总噪声实测声压级(dBA) | 风洞风噪声实测声压级(dBA) | 路噪声压级估计值(dBA) | 风噪占比 | 路噪占比 |
---|---|---|---|---|---|
50 | 55.6/57.1 | 45.4/47.6 | 55.2/56.6 | 9.5%/11.2% | 90.5%/88.8% |
80 | 60.6/62.7 | 54.1/56.5 | 59.5/61.5 | 22.4%/24.0% | 77.6%/76.0% |
100 | 63.3/65.3 | 59.2/61.5 | 61.2/63.0 | 38.9%/41.7% | 61.1%/58.3% |
120 | 66.6/68.4 | 63.6/65.9 | 63.6/64.8 | 50.1%/56.2% | 49.9%/43.8% |