The influence of the horizontal component of the temperature gradient on nonlinear convective oscillations in two-layer systems

The influence of the horizontal component of the temperature gradient on nonlinear convective oscillations in two-layer systems

The influence of the horizontal component of the temperature gradient on nonlinear oscillatory convective regimes, developed under the joint action of buoyant and thermocapillary effects in the 47 v2 silicone oil-water system, is investigated. Cavities with different lengths have been considered. Tr...

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Veröffentlicht in:Physics of fluids (1994) 2012-10, Vol.24 (10)
Hauptverfasser: SIMANOVSKII, Ilya B, VIVIANI, Antonio, DUBOIS, Frank, LEGROS, Jean-Claude
Format: Artikel
Sprache:eng
Schlagworte:
Asymmetry
Buoyancy
Buoyancy-driven instability
Exact sciences and technology
Fluid dynamics
Fundamental areas of phenomenology (including applications)
Holes
Horizontal
Hydrodynamic stability
Interfacial instability
Nonlinearity
Oscillations
Physics
Silicones
Surface-tension-driven instability
Temperature gradient
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Beschreibung
Zusammenfassung:The influence of the horizontal component of the temperature gradient on nonlinear oscillatory convective regimes, developed under the joint action of buoyant and thermocapillary effects in the 47 v2 silicone oil-water system, is investigated. Cavities with different lengths have been considered. Transitions between oscillatory flow regimes with different symmetry properties and steady flows have been studied. It is shown that under the action of the horizontal component of the temperature gradient, specific asymmetric oscillatory flow develops in the system.
ISSN:1070-6631
1089-7666
DOI:10.1063/1.4757654