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Diego Francescangeli

Cette personne a quitté l’EPFL

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Publications associées (4)

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Growth, timing, & trajectory of vortices behind a rotating plate

Diego Francescangeli

The presence of aerodynamic vortices is widespread in nature. They can be found at small scales near the wing tip of flying insects or at bigger scale in the form of hurricanes, cyclones or even galaxies. They are identified as coherent regions of high vor ...

EPFL2022

Strength and timing of primary and secondary vortices generated by a rotating plate

Karen Ann J Mulleners, Diego Francescangeli

Accurate predictions of how vortices grow, evolve, and separate from aerodynamic objects are desirable for various applications ranging from autonomous aerial vehicles to wind turbines. Here, we present an experimental characterisation of the formation pro ...

2023

Discrete shedding of secondary vortices along a modified Kaden spiral

Karen Ann J Mulleners, Diego Francescangeli

When an object is accelerated in a fluid, a primary vortex is formed through the roll-up of a shear layer. This primary vortex does not grow indefinitely and will reach a limiting size and strength. Additional vorticity beyond the critical limit will end u ...

Cambridge University Press2021

Lagrangian analysis of the formation of vortices on a rotating flat plate

Karen Ann J Mulleners, Guillaume de Guyon-Crozier, Diego Francescangeli

2018