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Author

Mark Okongo

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Open access Sep 2026

Effect of Buoyancy Ratio on Double-Diffusive Natural Convection Flow in a Rectangular Enclosure

Double diffusive natural convection driven by Simultaneous temperature and concentration gradients are fundamental to many engineering and environmental processes. The buoyancy ratio N , defined as the ratio of solutal to thermal buoyancy forces, critically determines whether thermal or solutal effects dominate the...

Peninnah Musili, Mark Okongo, Alice Murwayi · 0 citations
Open access Sep 2026

Effect of Rayleigh Number on Double-Diffusive Natural Convection Flow in a Rectangular Enclosure

Double diffusive natural convection driven by simultaneous temperature and concentration gradients is governed by the Rayleigh number Ra , which represents the balance between buoyancy and viscous forces. The Rayleigh number determines the transition from conduction-dominated to convection-dominated heat and mass t...

Peninnah Musili, Mark Okongo, Alice Murwayi · 0 citations

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