Oscillatory Thermocapillary Convection in Liquid Bridge under Microgravity

Zhong Zeng; Hiroshi Mizuseki; Jingqiu Chen; Kyoko Ichinoseki; Yoshiyuki Kawazoe

doi:10.2320/matertrans.45.1522

Zhong Zeng, Hiroshi Mizuseki, Jingqiu Chen, Kyoko Ichinoseki, Yoshiyuki Kawazoe

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Keywords: thermocapillary convection, Marangoni convection, instability, floating zone, crystal growth, microgravity

JOURNAL FREE ACCESS

2004 Volume 45 Issue 5 Pages 1522-1527

DOI https://doi.org/10.2320/matertrans.45.1522

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Abstract

Three-dimensional oscillatory thermocapillary convection in both cylindrical and concave non-cylindrical liquid bridge (Pr = 7) under microgravity is investigated numerically by finite volume method. The pattern selection of convection is observed to depend on the shape of free surface. An explanation on the mechanism of convective instability and the nature of pattern selection are presented.

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