Volume 36 Issue 4
Jul.  2016
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LIU Rong, LIU Qiusheng. Effect of Thermocapillary on the Absolute and Convective Stabilities of a Thin Flim Flowing down a Fibre[J]. Chinese Journal of Space Science, 2016, 36(4): 497-500. doi: 10.11728/cjss2016.04.497
Citation: LIU Rong, LIU Qiusheng. Effect of Thermocapillary on the Absolute and Convective Stabilities of a Thin Flim Flowing down a Fibre[J]. Chinese Journal of Space Science, 2016, 36(4): 497-500. doi: 10.11728/cjss2016.04.497
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Effect of Thermocapillary on the Absolute and Convective Stabilities of a Thin Flim Flowing down a Fibre

doi: 10.11728/cjss2016.04.497 cstr: 32142.14.cjss2016.04.497

  • Key Laboratory of Microgravity, Institute of Mechanics, Chinese Academy of Sciences, Beijing 100190

  • Received Date: 2015-11-10
  • Rev Recd Date: 2016-04-04
  • Publish Date: 2016-07-15
    Abstract
  • The dynamics of a viscous film flowing down a vertical fibre under the action of gravity and the thermocapillary is analyzed theoretically. This exterior coating flow is driven by a Rayleigh-Plateau mechanism modified by the presence of gravity as well as the variation of surface tension induced by temperature gradient along the interface. A temporal-spacial stability analysis is performed to investigate the influence of the thermocapillarity on the convective/absolute instability (CI/AI) of axisymmetric disturbances. The results show that the thermocapillary plays an important role in determining the CI/AI characteristics in different flow regimes.

     

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    • References(12)
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