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METHODS OF IDENTIFICATION OF COUPLED VORTEX STRUCTURES IN MOTION
- 1.0365815 - ÚT 2012 RIV CZ eng C - Konferenční příspěvek (zahraniční konf.)
Něnička, Václav - Tesař, Václav - Šonský, Jiří
METHODS OF IDENTIFICATION OF COUPLED VORTEX STRUCTURES IN MOTION.
Colloquium FLUID DYNAMICS 2011. Praha: Ústav termomechaniky AV ČR v. v. i., 2011 - (Jonáš, P.; Uruba, V.), s. 25-26. ISBN 978-80-87012-36-9.
[Colloquium FLUID DYNAMICS 2011. Praha (CZ), 19.10.2011-21.10.2011]
Výzkumný záměr: CEZ:AV0Z20760514
Klíčová slova: turbulence * submerged jets * braiding motion
Kód oboru RIV: BK - Mechanika tekutin
Flow visualisation was performed of sections perpendicular to the axis through a jet. It reveaedl surprising complexity in the mixing region (outside the jet core. The images were processed by correlation in sub-images showing vortical motions suggesting the twisting and braiding movements of hair when a plait hairdo is made. For evaluation authors found useful the theory that measures entanglement in fluids by the corresponding algebra of braiding movements.
Trvalý link: http://hdl.handle.net/11104/0200969
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