The evolution of localized Gaussian vortices in planar homogenous shear flows

M. Karp, J. Cohen, I. Shukhman

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Wall bounded and free turbulent shear flows have been observed to contain organized coherent structures such as hairpin vortices, counter-rotating vortex pairs (CVP's) and streaks (regions of high and low velocity). In order to be able to follow the temporal evolution of such coherent structures we have developed an analytical based method which is capable of following the evolution of a localized disturbance in flows with constant homogenous shear, in which the base velocity varies at most linearly with space. In this paper we briefly present the method and some preliminary results characterizing the development of localized Gaussian vortices, having various initial amplitudes and orientations, embedded in different types of base flows.

Original languageEnglish
Title of host publication52nd Israel Annual Conference on Aerospace Sciences 2012
Pages776-784
Number of pages9
StatePublished - 2012
Event52nd Israel Annual Conference on Aerospace Sciences 2012 - Tel-Aviv and Haifa, Israel
Duration: 29 Feb 20121 Mar 2012

Publication series

Name52nd Israel Annual Conference on Aerospace Sciences 2012
Volume2

Conference

Conference52nd Israel Annual Conference on Aerospace Sciences 2012
Country/TerritoryIsrael
CityTel-Aviv and Haifa
Period29/02/121/03/12

All Science Journal Classification (ASJC) codes

  • Aerospace Engineering

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