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Teplofizika vysokikh temperatur, 2002, Volume 40, Issue 1, Pages 114–120 (Mi tvt1754)  

Heat and Mass Transfer and Physical Gasdynamics

The Effect of the Medium on the Thermocapillary Force of a Heated Droplet Drifting in a Viscous Liquid in the Field of External Temperature Gradient

N. V. Malay, E. R. Shchukin, Yu. I. Yalamov

Belgorod State University
Abstract: The Stokes approximation is used to theoretically investigate the effect of the medium on the thermocapillary drift of a heated droplet inside which nonuniformly distributed heat sources are operative. The droplet drift proceeds in a viscous incompressible liquid under conditions of arbitrary temperature differences between the particle surface and a region away from it. The problem is solved in view of the exponential-power form of the temperature dependence of viscosity. In the process of solving the hydrodynamic equations, analytical expressions are derived for the thermocapillary force acting on the droplet. It is demonstrated that, in the approximation applied, the droplet retains its spherical shape. Numerical estimates indicate that the motion of the medium affects considerably the magnitude of the thermocapillary force.
Received: 29.03.1999
English version:
High Temperature, 2002, Volume 40, Issue 1, Pages 105–111
DOI: https://doi.org/10.1023/A:1014246518603
Bibliographic databases:
Document Type: Article
UDC: 533.72
Language: Russian
Citation: N. V. Malay, E. R. Shchukin, Yu. I. Yalamov, “The Effect of the Medium on the Thermocapillary Force of a Heated Droplet Drifting in a Viscous Liquid in the Field of External Temperature Gradient”, TVT, 40:1 (2002), 114–120; High Temperature, 40:1 (2002), 105–111
Citation in format AMSBIB
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\paper The Effect of the Medium on the Thermocapillary Force of a Heated Droplet Drifting in a Viscous Liquid in the Field of External Temperature Gradient
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\yr 2002
\vol 40
\issue 1
\pages 114--120
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\jour High Temperature
\yr 2002
\vol 40
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\pages 105--111
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