THREE-DIMENSIONAL EVOLUTION OF VORTICES AND EARLY FEATURES OF COHERENT STRUCTURE IN THE TURBULENT WAKE BEHIND A 2-D CIRCULAR CYLINDER
文献类型：期刊论文
| 作者 | Ling GC(凌国灿) ; Wu ZB(武作兵)
|
| 刊名 | ACTA MECHANICA SINICA
 |
| 出版日期 | 1993 |
| 卷号 | 9期号:3页码:223-232 |
| 关键词 | three-dimensional evolution coherent structure wake flow |
| 英文摘要 | 3-D evolution of Kgrms vortex filaments and vortex filaments in braid regions in the turbulent wake of a 2-D circular cylinder is investigated numeri- cally based on inviscid vortex dynamics by analyzing the response of the initially 2-D spanwise vortex filaments to periodic spanwise disturbance of varying magnitude, wavelength and initial phase angles. Our results reveal a kind of 3-D vortex system in the wake which consists of large scale horseshoe-shaped vortices and small scale ),-shaped vortex filaments as well as vortex loops. The mechanism and the dynamic process about the generation of streamwise vortical structure and the 3-D coherent structure are reported. |
| 学科主题 | 流体力学 |
| 收录类别 | EI |
| 原文出处 | http://ams.cstam.org.cn/CN/abstract/abstract130668.shtml# |
| 语种 | 英语 |
| 源URL | [http://dspace.imech.ac.cn/handle/311007/49888]  |
| 专题 | 力学研究所_力学所知识产出(1956-2008) |
| 作者单位 | LNM, Institute of Mechanics, Chinese Academy of Sciences |
| 推荐引用方式 GB/T 7714 | Ling GC,Wu ZB. THREE-DIMENSIONAL EVOLUTION OF VORTICES AND EARLY FEATURES OF COHERENT STRUCTURE IN THE TURBULENT WAKE BEHIND A 2-D CIRCULAR CYLINDER[J]. ACTA MECHANICA SINICA,1993,9(3):223-232. |
| APA | Ling GC,&Wu ZB.(1993).THREE-DIMENSIONAL EVOLUTION OF VORTICES AND EARLY FEATURES OF COHERENT STRUCTURE IN THE TURBULENT WAKE BEHIND A 2-D CIRCULAR CYLINDER.ACTA MECHANICA SINICA,9(3),223-232. |
| MLA | Ling GC,et al."THREE-DIMENSIONAL EVOLUTION OF VORTICES AND EARLY FEATURES OF COHERENT STRUCTURE IN THE TURBULENT WAKE BEHIND A 2-D CIRCULAR CYLINDER".ACTA MECHANICA SINICA 9.3(1993):223-232. |
入库方式： OAI收割
来源：力学研究所
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