IMECH-IR  > 流固耦合系统力学重点实验室
THE DRAG, LIFT AND STROUHAL NUMBER OF A CIRCULAR-SECTION CYLINDER WITH A CONIC DISTURBANCE AT SUBCRITICAL REYNOLDS NUMBERS
Lin LM(林黎明); Zhong XF(钟兴福); Wu YX(吴应湘); Lin, LM (reprint author), Chinese Acad Sci, Key Lab Mech Fluid Solid Coupling Syst, Inst Mech, Beijing 100190, Peoples R China.
Source Publication33RD INTERNATIONAL CONFERENCE ON OCEAN, OFFSHORE AND ARCTIC ENGINEERING, 2014, VOL 2
2014
Conference Name33rd ASME International Conference on Ocean, Offshore and Arctic Engineering
Conference DateJUN 08-13, 2014
Conference PlaceSan Francisco, CA
AbstractThrough numerical simulations, the flow past a circular-section cylinder with a conic disturbance is investigated at subcritical Reynolds numbers of 10(2), 10(3) and 10(4). At higher Reynolds numbers, LES is employed in simulating the turbulence transition in the near wake. Computations with a series of parameters, the wavelength and wave steepness, are carried out. Generally, the drag of conic cylinder is gradually increased with the increasing wave steepness and in most cases greater than that of the cylinder without disturbance. However, the total lift in most cases is obviously reduced. The phenomenon of local minimum is found out in variation of drag and lift. The introduction of conic disturbance also leads to the decrease of frequency of vortex shedding as the wave steepness increases.
WOS IDWOS:000363492700001
DepartmentLMFS多相流及流固耦合(LHO)
ISBN978-0-7918-4540-0
Indexed ByCPCI-S ; EI
Language英语
Citation statistics
Document Type会议论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/58863
Collection流固耦合系统力学重点实验室
Corresponding AuthorLin, LM (reprint author), Chinese Acad Sci, Key Lab Mech Fluid Solid Coupling Syst, Inst Mech, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Lin LM,Zhong XF,Wu YX,et al. THE DRAG, LIFT AND STROUHAL NUMBER OF A CIRCULAR-SECTION CYLINDER WITH A CONIC DISTURBANCE AT SUBCRITICAL REYNOLDS NUMBERS[C]33RD INTERNATIONAL CONFERENCE ON OCEAN, OFFSHORE AND ARCTIC ENGINEERING, 2014, VOL 2,2014.
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