Nathanaël Machicoane

Research and teaching activities

UGA CNRS LEGI Lab



Research in Videos


Videos from our research are available on Youtube. A few examples are given below, including posters and Gallery of Fluid Motion entry from the Division of Fluid Dynamics of the American Physical Society.


Spray formation


Click to expand section

  • High-fidelity numerical simulation of coaxial two-fluid atomization :


    More details in the companion article [link] [pdf]


  • Atomization of a lamniar and turbulent liquid jets by a coaxial high-speed gas jet:


    More details in the companion article [link] [pdf]


  • Fragmentation of a liquid jet by a coaxial gas jet from Rayleigh-Plateau to high-speed sprays:


    More details in the companion article [link] [pdf]


  • Two-view high speed imaging the transition from planar to helical flapping in spray formation:


    More details in the companion article [link] [pdf]


  • High-resolution high-speed imaging of spray formation for interfacial pertrubations tracking:


    More details in the companion article [link] [pdf]


  • Synchrotron X-ray imaging of the fragmentation of a liquid jet by a coaxial gas jet:


    More details in the companion article [link] [pdf]
    See also the Gallery of Fluid Motion video entry showing the flow inside the nozzle [link]


  • Real-time spray feedback control:


    More details in the companion article [link] [pdf]


  • Effect of electrostatic forcing on coaxial two-fluid atomization: Gallery of Fluid Motion Poster [link] [pdf]


    More details in the companion article [link] [pdf]


Lagrangian study of large particles in turbulence


Click to expand section

  • 4d kinematics from X-ray 2D imaging to study the suspension of heavy sphere in a turbulent jet:


  • Turbulent melting of a large ice sphere freely advected in a siwrling flow:


    More details in the companion article: [link] [pdf]


  • Large particles transport in inhomegenous and anisotropic turbulence:


    More details in the companion articles: preferential sampling [link] [pdf], short-time dynamics [link] [pdf], long-time dynamics [link] [pdf], and chaos in laminar flow conditions [link] [pdf]