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Evolution of Free Surface in the Formation of Thermo-Solutocapillary Convection Within an Open Cavity

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Abstract

In order to understand the characteristics of free surface evolution in thermo-solutocapillary convection formation, a set of two-dimensional numerical simulations is conducted using level set method for thermo-solutocapillary convection in a rectangular cavity. The opposing thermocapillary effects equivalent to solutocapillary effects is considered. The computational results show that, the vortices first appear at the right side and travel to the left side gradually, and the flow field forms two comparable size vortices at final state. Meanwhile, the free surface deformation first increases and then decreases, and finally keeps a small constant deformation. Moreover, the effects of Marangoni number, Lewis number, Capillary number, aspect ratio and Prandtl number on the free surface evolution are analyzed.

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Acknowledgments

This work is supported by National Natural Science Foundation of China (Grant No.51206165).

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Authors and Affiliations

  1. Institute of Engineering Thermophysics, Chinese Academy of Sciences, Beijing, 100190, China

    Xiaoming Zhou & Xiulan Huai

  2. Energy Research Institute of Shandong Academy of Sciences, Jinan, Shandong, 250014, China

    Zhigang Liu

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  1. Xiaoming Zhou
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  2. Zhigang Liu
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  3. Xiulan Huai
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Correspondence to Xiaoming Zhou.

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Zhou, X., Liu, Z. & Huai, X. Evolution of Free Surface in the Formation of Thermo-Solutocapillary Convection Within an Open Cavity. Microgravity Sci. Technol. 28, 421–430 (2016). https://doi.org/10.1007/s12217-016-9492-y

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  • DOI: https://doi.org/10.1007/s12217-016-9492-y

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