Abstract
This paper reports new experimental and simulation velocity data for superfluid steady turbulence above 1K. We present values for the scaling exponent of the absolute value of velocity-increment structure functions. In both experiments and simulations, they evidence that intermittency occurs in superfluid flows in a quite comparable way to classical turbulence. In particular, the deviation from Kolmogorov 1941 keeps the same strength as we cross the superfluid transition. To the best of our knowledge, this is the first confirmation of the superfluid 4He experimental results from Maurer & Tabeling (1998) and the first numerical evidence of intermittency in superfluid turbulence.
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