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Numerical Study Of 2d Multiphase Flows Over Grooved Surface By Lattice Boltzmann Method

Author

Listed:
  • J. J. HUANG

    (Department of Mechanical Engineering, National University of Singapore, Singapore 119260, Singapore)

  • C. SHU

    (Department of Mechanical Engineering, National University of Singapore, Singapore 119260, Singapore)

  • Y. T. CHEW

    (Department of Mechanical Engineering, National University of Singapore, Singapore 119260, Singapore)

  • H. W. ZHENG

    (Department of Mechanical Engineering, National University of Singapore, Singapore 119260, Singapore)

Abstract

In this paper, the effects of surface wettability and topography on a droplet, which is driven by a body force to pass through grooved walls, are studied by using the multiphase lattice Boltzmann model. At small scale, the shape and velocity of the droplet were found to be strongly affected by the wettability and configuration of the wall. The drag on the droplet moving over grooved surfaces was found to decrease as the wall hydrophobicity increases. It was also found that the wettability decides whether the droplet fills or does not fill the whole grooves.

Suggested Citation

  • J. J. Huang & C. Shu & Y. T. Chew & H. W. Zheng, 2007. "Numerical Study Of 2d Multiphase Flows Over Grooved Surface By Lattice Boltzmann Method," International Journal of Modern Physics C (IJMPC), World Scientific Publishing Co. Pte. Ltd., vol. 18(04), pages 492-500.
    • Handle: RePEc:wsi:ijmpcx:v:18:y:2007:i:04:n:s0129183107010723
    DOI: 10.1142/S0129183107010723
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    References listed on IDEAS

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    1. van Damme, E.E.C., 2000. "Nobelprijs voor nuttige econometrie," Other publications TiSEM 88c2ad26-cefa-4176-bdc7-b, Tilburg University, School of Economics and Management.
    2. van Damme, E.E.C., 2000. "Eerlijk delen," Other publications TiSEM b25da10f-89fc-48b6-866a-d, Tilburg University, School of Economics and Management.
    3. -, 2000. "Introdução à técnica de planejamento," Copublicaciones, Naciones Unidas Comisión Económica para América Latina y el Caribe (CEPAL), number 1617.
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