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DIRECT NUMERICAL SIMULATION OF VISCOPLASTIC-TYPE NON-NEWTONIAN FLUID FLOWS IN STENOSED ARTERIES

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The aim of this work is to provide DNS solutions for turbulence flows of viscoplastic-type non-Newtonian fluids and thus contribute to gain insight into the underlying physics of the non-Newtonian turbulent flows. This knowledge may be useful, among many other things, for developing more accurate turbulence models which describe better the implicit physics of this subject. Nevertheless, from our point of view, few DNS solutions of viscoplastic-type non-Newtonian fluid flows have been provided with this objective, despite the growing presence of these kind of fluids in the field of CFD simulations.

Author(s):

Angel Carmona    
Heat and Mass Transfer Technological Center (Technical University of Catalonia)
Spain

Oriol Lehmkuhl    
Heat and Mass Transfer Technological Center (Technical University of Catalonia) and Termo Fluids, S.L.
Spain

Carlos David Pérez-Segarra    
Heat and Mass Transfer Technological Center (Technical University of Catalonia)
Spain

Asensi Oliva    
Heat and Mass Transfer Technological Center (Technical University of Catalonia)
Spain