Convectively Driven Shear and Decreased Heat Flux

@inproceedings{Goluskin2014ConvectivelyDS,
  title={Convectively Driven Shear and Decreased Heat Flux},
  author={David Goluskin and Hans Johnston and Glenn Richard Flierl and Edward A. Spiegel},
  year={2014}
}
We report on direct numerical simulations of two-dimensional, horizontally periodic Rayleigh-B\'enard convection, focusing on its ability to drive large-scale horizontal flow that is vertically sheared. For the Prandtl numbers ($Pr$) between 1 and 10 simulated here, this large-scale shear can be induced by raising the Rayleigh number ($Ra$) sufficiently, and we explore the resulting convection for $Ra$ up to $10^{10}$. When present in our simulations, the sheared mean flow accounts for a large… CONTINUE READING

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