均匀流作用下并联悬垂双取水管涡激振动载荷特性试验研究

赵光义, 张萌萌, 付世晓, 许玉旺, 任浩杰, 白英利

Experimental Study on Vortex-Induced Vibration Force Characteristics of Side-by-Side Double Free-Hanging Water Transmission Pipes Under Uniform Flow

ZHAO Guangyi, ZHANG Mengmeng, FU Shixiao, XU Yuwang, REN Haojie, BAI Yingli

表2 单管与双管前6阶固有频率

Tab.2 First sixth-order intrinsic frequency of single pipe and double pipes

阶数 固有频率/Hz 单管 双管IL方向 双管CF方向 1 0.43 0.28 0.48 2 0.99 0.90 0.86 3 1.85 1.86 1.07 4 3.02 3.20 1.24 5 4.50 4.85 1.96 6 6.29 6.92 2.85