Geodesic
Drift of a free-floating body in a convective layer heated by radiation
Žurnal Sibirskogo federalʹnogo universiteta. Matematika i fizika, Tome 16 (2023) no. 5, pp. 562-571

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The one-dimensional dynamics of a disk floating freely at a fixed depth in a layer of liquid under conditions of natural convection caused by radiation heating was studied experimentally. It was shown that the dynamics of the disk depends on its optical properties. A disk with a light-reflecting surface demonstrated quasi-periodic motions along the cell. The period of oscillations depends on both the length of the cell and the immersion depth of the disk. The light-absorbing or transparent disk is pressed against the side wall after brief wanderings and remains there until the end of the experiment.
Keywords: floating bodies, radiation heating.
Mots-clés : turbulent convection 
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     title = {Drift of a free-floating body in a convective layer heated by radiation},
     journal = {\v{Z}urnal Sibirskogo federalʹnogo universiteta. Matematika i fizika},
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Andrei Yu. Vasiliev; Elena N. Popova; Peter G. Frick; Andrei N. Sukhanovskii. Drift of a free-floating body in a convective layer heated by radiation. Žurnal Sibirskogo federalʹnogo universiteta. Matematika i fizika, Tome 16 (2023) no. 5, pp. 562-571. http://geodesic.mathdoc.fr/item/JSFU_2023_16_5_a1/