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Influence of free surface curvature of a liquid layer on the critical Marangoni convection

โœ Scribed by Z.M. Tang; K. Li; W.R. Hu

Publisher
Elsevier Science
Year
2008
Tongue
English
Weight
551 KB
Volume
51
Category
Article
ISSN
0017-9310

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โœฆ Synopsis

The Pearson instability was suggested to discuss the onset of Marangoni convection in a liquid layer of large Prandtl number under an applied temperature difference perpendicular to the free surface in the microgravity environment. In this case, the temperature distribution on the curved free surface is nonuniform, and the thermocapillary convection is induced and coupled with the Marangoni convection. In the present paper the effect of volume ratio of the liquid layer on the critical Marangoni convection and the corresponding spatial variation of the convection structure in zero-gravity condition were numerically investigated by two-dimensional model.

๐Ÿ“œ SIMILAR VOLUMES

Influence of curvature-dependent surface
Influence of curvature-dependent surface tension on the free energy of formation of microclusters
โœ Wolfram Vogelsberger ๐Ÿ“‚ Article ๐Ÿ“… 1980 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 291 KB

The Helmholtz free energy of formation of a spherical microcluster in a ftite system is computed using different reelations for the curvature dependence of the surface tenson. Comparison between computer simulation results of Rao et aL and macroscopic thermodynanucs shows relalve close agreement.