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DONG Zhi-qiang, XU Jin-liang. NUMERICAL INVESTIGATION OF BUBBLE NUCLEATION DEPARTURE IN MICROCHANNEL REENTRANT CAVITY BASED ON LATTICE BOLTZMANN METHOD[J]. Engineering Mechanics, 2012, 29(5): 219-223.
Citation: DONG Zhi-qiang, XU Jin-liang. NUMERICAL INVESTIGATION OF BUBBLE NUCLEATION DEPARTURE IN MICROCHANNEL REENTRANT CAVITY BASED ON LATTICE BOLTZMANN METHOD[J]. Engineering Mechanics, 2012, 29(5): 219-223.
shu

NUMERICAL INVESTIGATION OF BUBBLE NUCLEATION DEPARTURE IN MICROCHANNEL REENTRANT CAVITY BASED ON LATTICE BOLTZMANN METHOD

  • 1.

    Micro Energy System Laboratory, Guangzhou Institute of Energy Conversion, Chinese Academy of Science, Guangzhou 510640, China;

  • 2.

    Beijing Key Laboratory of New and Renewable Energy, North China Electric Power University, Beijing 102206, China

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  • Corresponding author:

    徐进良

  • Received Date: May 08, 2012
  • Revised Date: May 08, 2012
    Graphical Abstract
    • Abstract
  • The vapor bubble nucleation effects on heat-transfer and fluid flows in microchannel are investigated based on an improved hybrid lattice Boltzmann model. The dynamic process of bubble growth, departure and motion are simulated in microchannel with different physical conditions, while the process influences on fluid flow and heat transfer are also quantitatively predicted respectively. The results show that the bubble nucleation on reentrant cavity can induce the periodic flow instability; through it also strengthens the efficiency in heat transfer around the bubble.
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    • References (17)
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