横向振动方柱波动升力实验研究

IMECH-IR > 力学所知识产出(1956-2008)

	横向振动方柱波动升力实验研究
	呼和敖德; 孟向阳
Source Publication	力学学报
	1991
Volume	23 Issue:5 Pages:525-533
ISSN	0459-1879
Abstract	本文对均匀流中静止方柱和横向强迫振动的方柱进行了实验研究。实验雷诺数范围为 3×10~3～10~4,振幅与柱截面宽度之比 A/D 达到0.7,实验折合速度范围为 4.5≤V_r≤12。文章重点研究了较高振幅振动柱的锁定现象、波动升力与柱位移之间的相位变化,讨论了方柱涡激振荡、驰振和气动稳定性问题。对流场进行的流动显示,清晰地显示出锁定区涡脱落过程、近尾迹流场随振动频率和振幅的演化规律,从而对振动柱波动升力与相位变化的物理机制获得进一步认识。
Keyword	振荡柱波动升力涡脱落尾迹锁定现象
Language	中文
Document Type	期刊论文
Identifier	http://dspace.imech.ac.cn/handle/311007/36170
Collection	力学所知识产出(1956-2008)
Corresponding Author	呼和敖德
Recommended Citation GB/T 7714	呼和敖德,孟向阳. 横向振动方柱波动升力实验研究[J]. 力学学报,1991,23,5,:525-533.
APA	呼和敖德,&孟向阳.(1991).横向振动方柱波动升力实验研究.力学学报,23(5),525-533.
MLA	呼和敖德,et al."横向振动方柱波动升力实验研究".力学学报 23.5(1991):525-533.

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