Wave turbulence in microgravity
M. Berhanu1, E.
Falcon1 and S. Fauve2
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)
Abstract:
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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