Abstract

When subjected to a radial temperature gradient, Taylor-Couette flows undergo evolution of flow states with increasing rotations: a first transition from asymmetric vertical convection to spiral vortices, and a second transition to turbulence characterized by Taylor vortices. In the latter turbulent flow state, the radial transport of heat and angular momentum exhibits a similar power-law scaling. Our data analysis of the spatial distributions of the flux densities reveals mutual turbulent structures through which both heat and angular momentum are transported efficiently.

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