Wind tunnel test of sectional model is an important means for determining lock-in region of wind speed and maximal amplitude of vortex-excited resonance.
节段模型风洞试验是研究涡激共振风速锁定范围和最大振动幅值的一种重要手段。
The calculated result from an example shows that the stable sectional area reduces with the increase of working head, or the decrease of the tailrace tunnel length.
计算结果表明，尾水调压室断面面积随水轮机工作水头的增大或尾水洞长度的缩短而减小。
A thin plate and the sectional model of the Jiangyin Bridge were tested in turbulent wind in a wind tunnel to extract their flutter derivatives.
在模拟的紊流风场中，应用这一方法对平板和江阴长江大桥的节段模型进行了试验，识别了其气动导数。
A thin plate and the sectional model of the Jiangyin Bridge were tested in turbulent wind in a wind tunnel to extract their flutter derivatives.
在模拟的紊流风场中，应用这一方法对平板和江阴长江大桥的节段模型进行了试验，识别了其气动导数。
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