管道内径 cm | 管道一阶固有频率Hz | ||
黄铜-碳钢 | 不锈钢-碳钢 | 陶瓷-碳钢 | |
5 | 17.5 | 19.02 | 17.48 |
10 | 31.59 | 34.51 | 32.21 |
15 | 45.75 | 50.08 | 46.64 |
20 | 59.93 | 65.67 | 61.1 |
25 | 74.11 | 81.26 | 75.65 |
30 | 88.3 | 96.86 | 90.02 |