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Étude expérimentale de l'Intensification des transferts thermiques par les ultrasons en convection forcée

Abstract : The aim of the study presented in this thesis is to characterize heat transfer enhancement by ultrasound observed along a hot plate in forced convection. These induced hydrodynamic effects in the fluids they cross. The first one is the acoustic cavitation, which can produce strong mechanical effects in liquids. The second one is the acoustic streaming which generates convective flows thanks to viscous dissipation of the acoustic energy. This work helped to highlight the relationship between ultrasound hydrodynamic effects and heat transfer enhancement. Thanks to those results, experimental conditions which allowed ultrasound integration in a heat exchangers, could be determined.
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Submitted on : Thursday, April 13, 2017 - 4:00:53 PM
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BULLIARD_2016_diffusion.pdf
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  • HAL Id : tel-01505031, version 2

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Odin Bulliard-Sauret. Étude expérimentale de l'Intensification des transferts thermiques par les ultrasons en convection forcée. Mécanique des fluides [physics.class-ph]. Université Grenoble Alpes, 2016. Français. ⟨NNT : 2016GREAI034⟩. ⟨tel-01505031v2⟩

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