MATEC Web of Conferences
Volume 40, 20162015 International Conference on Mechanical Engineering and Electrical Systems (ICMES 2015)
|Number of page(s)||5|
|Section||Analysis and application of fluid mechanics|
|Published online||29 January 2016|
Effects of external environment on thermocapillary convection of high prandtl number fluid
Key Laboratory of National Education Ministry for Electromagnetic Processes of Materials, Northeastern University in Shen Yang, CN
Numerical simulations have been carried out to investigate the influence of external environment on thermocapillary convection in high Prandtl number (Pr=68) liquid. The geometric model of physical problem is that the the liquid bridge surrounded by ambient air under zero or ground gravity. The interface velocity, temperature, heat flux and flow pattern in the liquid bridge are presented and discussed under different conditions by changing the external environment. The buoyancy convection produces a symmetrical vortex in the liquid bridge. The ambient air affects the distributions of the temperature velocity and heat flux on the interface by changing the thermocapillary convection.
© Owned by the authors, published by EDP Sciences, 2016
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