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Lattice Boltzmann model for thermal transpiration

Tang, G.H. and Zhang, Yonghao and Gu, X.J. and Barber, Robert W. and Emerson, David (2009) Lattice Boltzmann model for thermal transpiration. Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics, 79 (2). 027701. ISSN 1063-651X

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    Abstract

    The conventional Navier-Stokes-Fourier equations with no-slip boundary conditions are unable to capture the phenomenon of gas thermal transpiration. While kinetic approaches such as the direct simulation Monte Carlo method and direct solution of the Boltzmann equation can predict thermal transpiration, these methods are often beyond the reach of current computer technology, especially for complex three-dimensional flows. We present a computationally efficient nonequilibrium thermal lattice Boltzmann model for simulating temperature-gradient-induced flows. The good agreement between our model and kinetic approaches demonstrates the capabilities of the proposed lattice Boltzmann method.

    Item type: Article
    ID code: 7762
    Notes: IF-2.483, HL-5.6
    Keywords: lattice Boltzmann methods, Monte Carlo methods, Navier-Stokes equations, slip flow, transpiration, Mechanical engineering and machinery, Physics, Mechanical Engineering, Fluid Flow and Transfer Processes
    Subjects: Technology > Mechanical engineering and machinery
    Science > Physics
    Department: Faculty of Engineering > Mechanical and Aerospace Engineering
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      Depositing user: Strathprints Administrator
      Date Deposited: 25 Mar 2009 14:15
      Last modified: 17 Jun 2014 21:16
      URI: http://strathprints.strath.ac.uk/id/eprint/7762

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