Autor:	M. E. Povarnitsyn, M. F. Ivanov
Rok vydání:	2003
Předmět:	Fluid Flow and Transfer Processes Physics Mechanical Engineering General Physics and Astronomy Mechanics Vorticity Starting vortex Vortex shedding Vortex ring Vortex Classical mechanics Condensed Matter::Superconductivity Vortex stretching Horseshoe vortex Burgers vortex
Zdroj:	Fluid Dynamics. 38:409-416
ISSN:	0015-4628
DOI:	10.1023/a:1025146022661
Popis:	The problem of the generation of a vortex in a rotating vessel locally heated from below is considered. The results of calculating the regime of formation of an intense vortex from a large-scale advective cell are given. The spiral vortex obtained is characterized by cyclonic rotation at a velocity of an order of magnitude greater than the vessel's rate of rotation. The vortex has the characteristic features of atmospheric typhoons. A comparison of the results with the data of analogous laboratory experiments shows that they are in good agreement. The vortex flow restructuring stages after heating is interrupted are also investigated. It is shown that in this case the development of Rayleigh-Taylor instability favours for the formation of extended spiral branches.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::3ede47b88f7d5e0d4d11a473d5edb46c https://doi.org/10.1023/a:1025146022661 Zobrazit plný text záznamu Full text from SpringerLink