Vortex-strength models in hydrodynamics
Result description
By examining the unsteady Taylor vortex the paper shows how three different vortex-strength models work. This comparison includes the conventional circulation, circulation based on the so-called residual vorticity, and the integral of the local swirling-strength parameter. The outcome of these models naturally differs, even for an ideally axisymmetric vortex. It is emphasized that the vortex region, vortex boundary and, consequently, the (integral) vortex strength are directly dependent on the choice ofthe concept of local vortex intensity. Shear-biased vortex-strength models are clearly distinguished.
Keywords
The result's identifiers
Result code in IS VaVaI
Result on the web
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DOI - Digital Object Identifier
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Alternative languages
Result language
angličtina
Original language name
Vortex-strength models in hydrodynamics
Original language description
By examining the unsteady Taylor vortex the paper shows how three different vortex-strength models work. This comparison includes the conventional circulation, circulation based on the so-called residual vorticity, and the integral of the local swirling-strength parameter. The outcome of these models naturally differs, even for an ideally axisymmetric vortex. It is emphasized that the vortex region, vortex boundary and, consequently, the (integral) vortex strength are directly dependent on the choice ofthe concept of local vortex intensity. Shear-biased vortex-strength models are clearly distinguished.
Czech name
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Czech description
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Classification
Type
D - Article in proceedings
CEP classification
BK - Liquid mechanics
OECD FORD branch
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Result continuities
Project
IAA200600801: Decomposition techniques for flow-field analysis
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)
Z - Vyzkumny zamer (s odkazem do CEZ)
Others
Publication year
2009
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Article name in the collection
33rd IAHR Congress: Water engineering for a sustainable environment
ISBN
978-90-78046-08-0
ISSN
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e-ISSN
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Number of pages
8
Pages from-to
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Publisher name
IAHR
Place of publication
Madrid
Event location
Vancouver
Event date
Aug 9, 2009
Type of event by nationality
WRD - Celosvětová akce
UT code for WoS article
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Basic information
Result type
D - Article in proceedings
CEP
BK - Liquid mechanics
Year of implementation
2009