Rayleigh-Bénard convection with thermal boundary inhomogeneities.
basic_science · Level V
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- Record sourced from PubMed, PMID 35291182.
- Also identified by DOI 10.1103/PhysRevE.105.025108.
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Abstract
Rayleigh-Bénard convection with nonhomogeneous thermal boundaries (sinusoidal temperature patterns set in-phase at the top and bottom plates) is numerically studied in three- and two-dimensional domains. Two spatial convective scales occur: the one due to the self-organized clustering of plumes-which is known to appear in homogeneous conditions-and the scale induced by the boundary heterogeneities. The latter drives the convection patterning, both in 3D and 2D, when the wavelength of the perturbation is comparable with the self-organized one.