后临界湍流区间内旋转薄壳结构振动演化与作用机制实测研究1)
王浩, 柯世堂

EVOLUTION CHARACTERISTIC AND WORKING MECHANISM ANALYSIS OF ROTATING THIN-WALLED STRUCTURES IN POST-CRITICAL TURBULENT INTERVAL BASED ON FIELD MEASUREMENT1)
Wang Hao,Ke Shitang
表6 测试冷却塔等效阻尼比
Table 6 Equivalent damping ratios of measured cooling towers
A B C D E F G H
Equivalent damping ratios/% 1.84 1.34 1.42 2.10 1.13 1.20 1.54 2.16