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Patterns in small aspect ratio Bénard-Marangoni convection
M L Ramón1, D Maza, H L Mancini
1Departamento de Física y Matemática Aplicada, Facultad de Ciencias, Universidad de Navarra, 31080 Pamplona, Navarra, Spain.
Summary
This study explores pattern formation in Bénard-Marangoni convection using high Prandtl number fluids. Results reveal spatial bifurcations between stationary patterns, complementing prior research.
Area of Science:
- Fluid Dynamics
- Pattern Formation
- Convection Phenomena
Background:
- Bénard-Marangoni convection is a key phenomenon in fluid dynamics.
- Previous studies explored pattern formation with varying aspect ratios and supercriticality.
Purpose of the Study:
- To experimentally investigate pattern formation in Bénard-Marangoni convection.
- To analyze stationary patterns in small aspect ratio containers with high Prandtl number fluids.
- To detail flow within single structures and spatial bifurcations.
Main Methods:
- Experimental study of Bénard-Marangoni convection.
- Utilized small aspect ratio containers.
- Employed high Prandtl number fluids.
Main Results:
- Observed and documented stationary patterns.
- Described flow within individual structures.
- Demonstrated spatial bifurcations between different stationary planforms.
- Completed previous experimental findings.
Conclusions:
- Experimental results align with linear theory.
- Findings are consistent with numerical studies on boundary condition effects.
- Provides a comprehensive view of pattern formation in this convection system.