Buoyancy-driven instability in a vertical cylinder: Binary fluids with Soret effect. Part I: General theory and stationary stability results
| Autor: | D. Henry, Robert L. Sani, B. Roux, Gary R. Hardin |
|---|---|
| Rok vydání: | 1990 |
| Předmět: |
Buoyancy
Materials science Applied Mathematics Mechanical Engineering Computational Mechanics Thermodynamics Fluid mechanics Rayleigh number engineering.material Instability Thermophoresis Computer Science Applications Physics::Fluid Dynamics Mechanics of Materials engineering Binary system Boussinesq approximation (water waves) Linear stability |
| Zdroj: | International Journal for Numerical Methods in Fluids. 10:79-117 |
| ISSN: | 1097-0363 0271-2091 |
| DOI: | 10.1002/fld.1650100106 |
| Popis: | The buoyancy-driven instability of a monocomponent or binary fluid completely contained in a vertical circular cylinder is investigated, including the influence of the Soret effect for the binary mixture. The Boussinesq approximation is used, and the resulting linear stability problem is solved using a Galerkin technique. The analysis considers fluid mixtures ranging from gases to liquid metals. The flow structure is found to depend strongly on both the cylinder aspect ratio and the magnitude of the Soret effect. The predicted stability limits are shown to agree closely with experimental observations. |
| Databáze: | OpenAIRE |
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