Free Thermal Convection Driven by Nonlocal Effects
Jorge Ibsen, Rodrigo Soto, Patricio Cordero
Abstract
We report and explain a convective phenomenon observed in molecular dynamics simulations that cannot be classified either as a hydrodynamics instability nor as a macroscopically forced convection. Two complementary arguments show that the velocity field by a thermalizing wall is proportional to the ratio between the heat flux and the pressure. This prediction is quantitatively corroborated by our simulations.
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