A recent research paper co-authored by Ms. Roxanne Francis (graduate student) and her supervisor, Dr. Mahesya Narayan (Head), Department of Mathematics, Faculty of Science and Technology at The University of the West Indies, Mona campus, and collaborator investigated the phenomenon of Natural Convection. This study captures the effects of gravity modulation on the onset of Rayleigh-Benard convective in a Newtonian Fluid bounded by Rigid-Free boundaries. Thermoconvective studies generally involves studying the onset of convective and/or chaos happening within a fluid subject to some temperature gradient caused by heating. This likens to the heat transfer processes involved in heating a pot of water on a stove. Rayleigh-Benard convection is just one such example and the onset of such convection is of particular interest. The study also features a comparative analysis in which the effects of rigid-rigid and free-free boundaries are considered and compared to that of rigid-free boundaries. Though the study is highly theoretical, it has applications in geothermal and oceanographic processes, and is uniquely used in aiding polymerase chain reactions, as highlighted in the study.

Reference: Francis, R., Narayana, M. & Siddheshwar, P.G. Gravity-modulated Rayleigh–Bénard convection in a Newtonian liquid bounded by rigid–free boundaries: a comparative study with other boundary conditions. J Eng Math 139, 5 (2023). https://doi.org/10.1007/s10665-023-10260-z

Source: https://link.springer.com/article/10.1007/s10665-023-10260-z

Photo caption (L-R): Ms. Roxanne Francis and Dr. Mahesya Narayana, Department of Mathematics, Faculty of Science and Technology, The UWI Mona.

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