© Xavier ROSSI/Agence Gamma/CNRS Images



Experience of two model hurricane merging

Experience of two model hurricane merging. Second phase : experimental generation of two hurricanes. Laser allows to visualize the flows in 2d and 3D. The engineers use a stick to plunge a string covered with fluorescein - coloring agent which allows to trace its evolution on the surface (2D) and below (3D) - in the tank. The hurricane vortex is generated by the gradual opening of two flaps. Researchers study the impact of the Coriolis force effects - a geophysical force generated by the earth rotation - on atmospheric turbulences with the world's unique rotating platform (14 m in diameter, 1,2 m high, weighing 150/300 tons, 0 to 3 revs/min.).

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