A superfluid Reynolds number defined from the Mach-1 contour of the irrotational flow organizes wake dynamics for penetrable obstacles, with shedding transition at Re_s ~2 and collapse of Strouhal number and drag coefficient.
In contrast, for a circular cylinder, Os- een’s correction [51] leads to a different scaling exponent, α≡ − d(lnC D) d(ln Re) ≃1− 1 2−ln Re <1
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Dynamic similarity of vortex shedding in a superfluid flowing past a penetrable obstacle
A superfluid Reynolds number defined from the Mach-1 contour of the irrotational flow organizes wake dynamics for penetrable obstacles, with shedding transition at Re_s ~2 and collapse of Strouhal number and drag coefficient.