The motion and the core structure of a geostrophic vortex - one-time scale inner solution and the motion of the vortex

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	The motion and the core structure of a geostrophic vortex - one-time scale inner solution and the motion of the vortex
	Ting L(丁汝); Ling GC(凌国灿); TING, L (reprint author), NYU,COURANT INST MATH SCI,NEW YORK,NY 10012, USA.
发表期刊	Scientia Sinica Series A-Mathematical Physical Astronomical & Technical Sciences
	1988
卷号	31 期号:6 页码:694-705
ISSN	0253-5831
摘要	By means of the matched asymptotic expansion method with one-time scale analysis we have shown that the inviscid geostrophic vortex solution represents our leading solution away from the vortex. Near the vortex there is a viscous core structure, with the length scale O(a). In the core the viscous stresses (or turbulent stresses) are important, the variations of the velocity and the equivalent height are finite and dependent of time. It also has been shown that the leading inner solutions of the core structure are the same for two different time scales of S/(ghoo)1/2 and S/a (ghoo)1/2. Within the accuracy of O(a) the velocity of a geostrophic vortex center is equal to the velocity of the local background flow, where the vortex is located, in the absence of the vortex. Some numerical examples demonstrate the contributions of these results.
收录类别	SCI
语种	英语
WOS记录号	WOS:A1988P240400006
WOS研究方向	Science & Technology - Other Topics
WOS类目	Multidisciplinary Sciences
引用统计	被引频次：1[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://dspace.imech.ac.cn/handle/311007/39672
专题	力学所知识产出(1956-2008)
通讯作者	TING, L (reprint author), NYU,COURANT INST MATH SCI,NEW YORK,NY 10012, USA.
推荐引用方式 GB/T 7714	Ting L,Ling GC,TING, L . The motion and the core structure of a geostrophic vortex - one-time scale inner solution and the motion of the vortex[J]. Scientia Sinica Series A-Mathematical Physical Astronomical & Technical Sciences,1988,31,6,:694-705.
APA	Ting L,凌国灿,&TING, L .(1988).The motion and the core structure of a geostrophic vortex - one-time scale inner solution and the motion of the vortex.Scientia Sinica Series A-Mathematical Physical Astronomical & Technical Sciences,31(6),694-705.
MLA	Ting L,et al."The motion and the core structure of a geostrophic vortex - one-time scale inner solution and the motion of the vortex".Scientia Sinica Series A-Mathematical Physical Astronomical & Technical Sciences 31.6(1988):694-705.

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