Applications of 2D helical vortex dynamics

Valery Okulov; Jens Nørkær Sørensen

doi:10.1007/s00162-009-0136-3

Applications of 2D helical vortex dynamics

Valery Okulov
, Jens Nørkær Sørensen

Research output: Contribution to journal › Journal article › Research › peer-review

Abstract

In the paper, we show how the assumption of helical symmetry in the context of 2D helical vortices can be exploited to analyse and to model various cases of rotating flows. From theory, examples of three basic applications of 2D dynamics of helical vortices embedded in flows with helical symmetry of the vorticity field are addressed. These included some of the problems related to vortex breakdown, instability of far wakes behind rotors and vortex theory of ideal rotors.

Original language	English
Journal	Theoretical and Computational Fluid Dynamics
Volume	24
Issue number	1-4
Pages (from-to)	395-401
ISSN	0935-4964
DOIs	https://doi.org/10.1007/s00162-009-0136-3
Publication status	Published - 2010

Keywords

Instability of far wakes
Helical vortices
Vortex theory of rotors
Vortex breakdown

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10.1007/s00162-009-0136-3

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title = "Applications of 2D helical vortex dynamics",

abstract = "In the paper, we show how the assumption of helical symmetry in the context of 2D helical vortices can be exploited to analyse and to model various cases of rotating flows. From theory, examples of three basic applications of 2D dynamics of helical vortices embedded in flows with helical symmetry of the vorticity field are addressed. These included some of the problems related to vortex breakdown, instability of far wakes behind rotors and vortex theory of ideal rotors.",

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AU - Okulov, Valery

AU - Sørensen, Jens Nørkær

PY - 2010

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N2 - In the paper, we show how the assumption of helical symmetry in the context of 2D helical vortices can be exploited to analyse and to model various cases of rotating flows. From theory, examples of three basic applications of 2D dynamics of helical vortices embedded in flows with helical symmetry of the vorticity field are addressed. These included some of the problems related to vortex breakdown, instability of far wakes behind rotors and vortex theory of ideal rotors.

AB - In the paper, we show how the assumption of helical symmetry in the context of 2D helical vortices can be exploited to analyse and to model various cases of rotating flows. From theory, examples of three basic applications of 2D dynamics of helical vortices embedded in flows with helical symmetry of the vorticity field are addressed. These included some of the problems related to vortex breakdown, instability of far wakes behind rotors and vortex theory of ideal rotors.

KW - Instability of far wakes

KW - Helical vortices

KW - Vortex theory of rotors

KW - Vortex breakdown

U2 - 10.1007/s00162-009-0136-3

DO - 10.1007/s00162-009-0136-3

M3 - Journal article

SN - 0935-4964

VL - 24

SP - 395

EP - 401

JO - Theoretical and Computational Fluid Dynamics

JF - Theoretical and Computational Fluid Dynamics

IS - 1-4

ER -

Applications of 2D helical vortex dynamics

Abstract

Keywords

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