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Energy and geometry of a tangle of vortex filaments

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By performing a numerical experiment, we show that the energy of a superfluid turbulent vortex tangle is not proportional to its length, as usually assumed in the literature. We discuss the consequence in the interpretation of turbulence decay experiments.

Author(s):

Lucy Sherwin    
Newcastle University
United Kingdom

Andrew Baggaley    
University of Glasgow
United Kingdom

Carlo Barenghi    
Newcastle University
United Kingdom