Journal of Engineering Physics and Thermophysics

, Volume 80, Issue 5, pp 961–969 | Cite as

Stability of thermocapillary convection and regimes of a fluid flow acted upon by a standing surface wave



It has been established that, in the case where a standing surface wave acts on a thermocapillary-convection flow in a cylindrical volume, there arises an oscillating-convection zone between the laminar and turbulent regimes of flow. It is shown that the boundary between these regimes is determined by the amplitude δ and the number of periods n of the standing wave and is practically independent of the Marangoni number and the oscillation frequency of this wave. At n = 2, in the range 0.004 < δ < 0.006, the parameters of the fluid cease to oscillate. The mechanisms by which the thermocapillary convection in closed volumes loses its stability are discussed.


Free Surface Standing Wave Convective Cell Stable Flow Marangoni Number 
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© Springer Science+Business Media, Inc. 2007

Authors and Affiliations

  1. 1.State Scientific-Research Institute of Applied Mechanics and ElectrodynamicsMoscowRussia

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