Abstract:
This paper reports experimental results on the propagation of a plane water jet at a temperature above the maximum-density temperature (4$^\circ$C) along the free surface of initially quiescent water at a temperature of about 0$^\circ$C. For comparison, experiments were performed in which the temperatures of the lower and higher layers were more than 4$^\circ$C, other conditions being equal. The experiments revealed a number of new hydrodynamic effects, including peculiar flow instability and a fine structure of the density field at large times.
Keywords:maximum water density, hydromagnetic instability, fine structure of the density field.
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