Usefulness of experiments with model fluid for thermocapillary convectionFeffect of Prandtl number on two-dimensional thermocapillary convection，成果详细信息-中国科技论文在线

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Usefulness of experiments with model fluid for thermocapillary convectionFeffect of Prandtl number on two-dimensional thermocapillary convection

曾忠， Zhong Zenga ， * ， Hiroshi Mizusekia ， Kiyoshi Shimamuraa ， Tsuguo Fukudaa ， Yoshiyuki Kawazoea ， Kazuyuki Higashinob

Journal of Crystal Growth 234(2002)272-278，-0001，（）：

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摘要/描述

The floating zone technique is promising to realize large, high-quality crystals under microgravity. Thermocapillary flow, which is the dominant convection in a floating zone under microgravity, has been widely reported in the literature to be extremely sensitive to the Prandtl number Pr: In the present study, the effect of Pr on steady thermocapillary convection is re-evaluated based on both analytical and numerical solutions. The results indicate that an approximate similarity of temperature and velocity structures in a large Pr range is realized under suitable conditions, fixing the Marangoni number Ma; in steady two-dimensional regime.

关键词: A1 ， Computer simulation; A1 ， Fluid flow; A1 ， Heat transfer; A1 ， Marangoni convection; A1 ， Thermocapillary convection; A2 ， Floating zone technique

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