IMECH-IR  > 水动力学与海洋工程重点实验室(2009-2011)
单向流作用下近壁面圆柱的流向振动
Alternative TitleStreamwise vibration of a near-wall cylinder exposed to unidirectional flow
杨兵; 高福平
Source Publication水动力学研究与进展. A辑
2010
Volume25Issue:1Pages:119-125
ISSN1000-4874
Abstract在单向流水槽中对近壁面圆柱体的流向振动进行了实验模拟.分析了圆柱流向振动位移时程曲线,探讨了圆柱振动频率随水流速度的变化特征.研究了圆柱振动幅值和频率的变化特性,结合圆柱尾迹涡的变化规律,分析了流向振动的起因.实验结果表明:随着流速的增加,圆柱流向振动经历了发生、发展和消失的变化过程,振动频率呈现出缓慢增长的趋势;在流向振动触发初期和后期衰退时,流向振动频率存在多值现象,频谱中呈现多个谱峰:圆柱流向振动所对应的约减速度范围明显小于横向涡激振动所对应的范围.
Keyword流向振动 近壁面圆柱 单向流 约减速度
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Indexed ByCSCD
Language中文
Funding Organization国家自然科学基金项目(10902112,10872198) ; 中国科学院“十一五”知识创新工程重要方向项目(KJCX2-YW-L02)资助
CSCD IDCSCD:3803956
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Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/43964
Collection水动力学与海洋工程重点实验室(2009-2011)
Corresponding Author杨兵
Recommended Citation
GB/T 7714
杨兵,高福平. 单向流作用下近壁面圆柱的流向振动[J]. 水动力学研究与进展. A辑,2010,25(1):119-125.
APA 杨兵,&高福平.(2010).单向流作用下近壁面圆柱的流向振动.水动力学研究与进展. A辑,25(1),119-125.
MLA 杨兵,et al."单向流作用下近壁面圆柱的流向振动".水动力学研究与进展. A辑 25.1(2010):119-125.
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