Wave turbulence in microgravity

M. Berhanu1, E. Falcon1 and S. Fauve
1MSC, Université Paris Diderot - Paris 7, CNRS, 75 013 Paris, France
2LPS, ENS Paris, CNRS, 24 rue Lhomond, 75 005 Paris, France

Reference:  Report to COSPAR (World Committee for Space Research), 42th Scientific Assembly, 14-22 July 2018, Pasasena, USA, CNES Ed., p. 66 - 67 (2018)


We report experiments conducted by the ESA astronauts T. Pesquet and P. Nespoli on the International Space Station in 2017. Using a new device, “FLUIDICS” (Fluid Dynamics in Space), developed by CNES and Airbus Defence and Space, they studied turbulence of capillary waves on the surface of a fluid in a spherical container. Power spectra of wave turbulence have been found to be in good agreement with weak turbulence theory.

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