Note on the superfluid Reynolds number for turbulent flow of superfluid ⁴He around an oscillating sphere
classification
❄️ cond-mat.other
keywords
numbersuperfluidreynoldsaroundduringexpressedflowhalf-period
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The superfluid Reynolds number $Re_s = (v - v_c) \,D/ \kappa$ can be expressed simply by the number of vortex rings that are shed during a half-period of the oscillation.
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