We study numerically the melting of a horizontal layer pure solid above convecting its fluid rotating about vertical axis. In regime studied here, with Rayleigh numbers order $10^7$, convection takes form columnar vortices, number and size which depend upon Ekman Prandtl numbers, as well geometry -- periodic or confined. As vary, average area vortices vary in inverse proportion, becoming thinne...

Convection occurs ubiquitously on and in rotating geophysical astrophysical bodies. Prior spherical shell studies have shown that the convection dynamics polar regions can differ significantly from lower latitude, equatorial dynamics. Yet most convective scaling laws use globally-averaged quantities erase latitudinal differences physics. Here we quantify those by analyzing simulations terms of ...

many research studies have been performed on forced convection (active) solar dryers for fruit and vegetables. a short survey of these showed that applying the forced convection solar dryer not only significantly reduced the drying time but also resulted in many improvements in the quality of the dried products. active indirect and mixed-mode thin layer solar drying experiments were conducted o...