Journal
ACTA ASTRONAUTICA
Volume 54, Issue 5, Pages 325-335Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0094-5765(03)00158-9
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Thermocapillary motion of a drop in a uniform temperature gradient is investigated numerically. The three-dimensional incompressible Navier-Stokes and energy equations are solved by the finite-element method. The front tracking technique is employed to describe the drop interface. To simplify the calculation, the drop shape is assumed to be a sphere. It has been verified that the assumption is reasonable under the microgravity environment. Some calculations have been performed to deal with the thermocapillary motion for the drops of different sizes. It has been verified that the calculated results are in good agreement with available experimental and numerical results. (C) 2003 Elsevier Ltd. All rights reserved.
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