1) buffet force of fluctuating wind
脉动风抖振力
5) buffeting force
抖振力
1.
Taking Jingsha Yangtze Bridge as an example, buffeting force spectra characteristics and aerodynamic admittance functions for typical flat double-girder bridge deck have been analyzed by segmental modeling′s dynamometer wind-tunnel experiment in uniform flow and turbulence flow.
以湖北荆沙长江大桥为背景,通过均匀流场和紊流场节段模型测力风洞试验对典型扁平双边肋主梁断面抖振力的频谱特性和气动导纳函数进行了研究。
2.
Based on The 3rd Nanking Bridge over Yangtze River,spectral characteristics and spanwise coherence of buffeting forces on the flat box-girder bridge deck have been investigated through pressure-measurement wind tunnel test of section model in both uniform and turbulent flows.
以南京长江三桥为背景,通过均匀流场和紊流场刚体节段模型测压试验对扁平箱梁的抖振力频谱特性和沿桥跨方向相关性进行了研究。
3.
The buffeting force is calculated through complex aerodynamic admittances,and the spectrum analysis is also carried out.
由互功率谱法计算得到的复气动导纳计算抖振力,并进行频谱分析,与实测抖振力自功率谱比较发现,计算得到的抖振力自功率谱随折减频率变化的趋势与实际抖振力自功率谱吻合较好,但存在一定数量上的差异。
6) jutter
['dʒʌtə]
振动;抖纹
补充资料：脉动
1.指动脉的跳动。 2.机器或电流强度等像脉搏那样地周期性运动或变化。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条