First observation of the Josephson-Anderson relation in experiments on hydrodynamic drag

Nicola Savelli, Ali R Khojasteh, Abel-John Buchner +2

We verify a recent prediction (Eq. 3.50 in G. L. Eyink, Phys. Rev. X 11, 031054 (2021)) for the drag on an object moving through a fluid. In this prediction the velocity field is d…