European Turbulence Conference 14

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EXPERIMENTAL INVESTIGATION ON 3D LAGRANGIAN COHERENT STRUCTURES IN THE LEFT VENTRICLE

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The complex Left Ventricle (LV) flow dynamics is known to be deeply affected by the vortical structures originated during diastolic inflow, as well as by their interaction. Here, we present the results obtained in a laboratory model of the LV: Lagrangian Coherent Structures are identified and tracked thanks to the computation of Finite Time Lyapunov Exponents performed on the measured 3D experimental fields. The analysis on the formation and development of these structures provides important information on the LV flow.

Author(s):

Maria Grazia Badas    
DICAAR - Università di Cagliari
Italy

Stefania Espa    
DICEA - Sapienza Università di Roma
Italy

Stefania Fortini    
DICEA - Sapienza Università di Roma
Italy

Giorgio Querzoli    
DICAAR - Università di Cagliari
Italy

 

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