Phase transition between pure modes A and B in a circular cylinder's wake. Part I: analysis of fluid forces

doi:10.1088/1873-7005/acd025

CORC > 力学研究所 > 中国科学院力学研究所 > 流固耦合系统力学重点实验室(2012-)

	Phase transition between pure modes A and B in a circular cylinder's wake. Part I: analysis of fluid forces
	Lin LM(林黎明)
刊名	FLUID DYNAMICS RESEARCH ; 3
	2023-06
卷号	55 页码:35502
关键词	phase transition wake circular cylinder mode A mode B
ISSN号	0169-5983
DOI	10.1088/1873-7005/acd025
英文摘要	Through direct numerical simulations, the transition from pure mode A to mode B in the near wake of a circular cylinder is studied with no effect of vortex dislocations. The Reynolds number is computed from 100 to 330 with the computational spanwise length of 4 diameters. In the present part, fluid forces are analyzed. The results show that mode swapping still exists in the range of Reynolds numbers from 230 to 240. In this range, fluid forces with low and high levels occur intermittently. Moreover, when the critical Reynolds number of 193 (+/- 0.5) is exceeded, with the increase of the Reynolds number, the vortex-shedding frequency gradually shifts from a single low frequency, high and low frequency coexistence to a single high frequency.
分类号	Q4
WOS研究方向	Mechanics ; Physics, Fluids & Plasmas
语种	英语
WOS记录号	WOS:000984065300001
资助机构	Hainan Province Science and Technology Special Fund [ZDYF2022GXJS004, ZDYF2021GXJS028]
其他责任者	Lin, LM (corresponding author), Chinese Acad Sci, Inst Mech, Key Lab Mech Fluid Solid Coupling Syst, Beijing 100190, Peoples R China.
内容类型	期刊论文
源URL	[http://dspace.imech.ac.cn/handle/311007/92399]
专题	力学研究所_流固耦合系统力学重点实验室(2012-)
作者单位	{Lin L. M.} Chinese Acad Sci Inst Mech Key Lab Mech Fluid Solid Coupling Syst Beijing 100190 Peoples R China
推荐引用方式 GB/T 7714	Lin LM. Phase transition between pure modes A and B in a circular cylinder's wake. Part I: analysis of fluid forces[J]. FLUID DYNAMICS RESEARCH, 3,2023,55:35502.
APA	林黎明.(2023).Phase transition between pure modes A and B in a circular cylinder's wake. Part I: analysis of fluid forces.FLUID DYNAMICS RESEARCH,55,35502.
MLA	林黎明."Phase transition between pure modes A and B in a circular cylinder's wake. Part I: analysis of fluid forces".FLUID DYNAMICS RESEARCH 55(2023):35502.