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Comparison of various hemodynamic models for applications to cfd in stented arteries

Article dans une revue avec comité de lecture
Article dans une revue avec comité de lecture
Author
CHABI, Fatiha
NOGUERA, Ricardo
MAUREL, Blandine
18639 Hôpital cardiologique
480402 Centre de résonance magnétique biologique et médicale [CRMBM]
ccCHAMPMARTIN, Stephane
211916 Laboratoire Angevin de Mécanique, Procédés et InnovAtion [LAMPA]
211916 Laboratoire Angevin de Mécanique, Procédés et InnovAtion [LAMPA]
ccSARRAF, Christophe
134975 Laboratoire de Dynamique des Fluides [DynFluid]

URI
http://hdl.handle.net/10985/15875
Date
2014
Journal
XIX International Conference on mechanics in medicine and biology

Abstract

A design study of propeller hydrokinetic turbines is explored in the present paper, where the optimized blade geometry is determined by the classical Glauert theory applicable to the design of axial flow turbines (hydrokinetic and wind turbines). The aim of the present study is to evaluate the optimized geometry for propeller hydrokinetic turbines, observing the effect of the number of blades in the runner design. The performance of runners with different number of blades is evaluated in a specific low-rotational-speed operating conditions, using blade element momentum theory (BEMT) simulations, confirmed by measurements in wind tunnel experiments for small-scale turbine models. The optimum design values of the power coefficient, in the operating tip speed ratio, for two-, three- and four-blade runners are pointed out, defining the best configuration for a propeller 10 kW hydrokinetic machine.

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