Abstract
We investigated the process of cooling the surface with a thin layer of liquid at low reduced pressures, consisting of two characteristic periods. In the first period, coherent structures in the form of plumes appeared in the layer. In the second period, the layer was destroyed with the formation of structures in the form of moving “craters,” accompanied by a massive droplet ejection, intense mixing, and pressure and temperature growth. At the point of layer destruction, thermodynamic equilibrium was established within the system.
Highlights
Scitation.org/journal/adv layers and the bulk while accounting for the dominating part of the mean heat flux (≈ 84%)
A large-scale circulation LSC arises from the cooperative plume motion and is an important feature of turbulent Rayleigh–Bénard convection (RBC).14
We investigate the mechanism of cooling the surface at low reduced pressures, when coherent structures, characteristic of turbulent convection, and “craters” appear in a thin layer of liquid with a free upper boundary
Summary
Scitation.org/journal/adv layers and the bulk while accounting for the dominating part of the mean heat flux (≈ 84%). We investigate the mechanism of cooling the surface at low reduced pressures, when coherent structures, characteristic of turbulent convection, and “craters” appear in a thin layer of liquid with a free upper boundary.
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