SIMULATION OF TWO-DIMENSIONAL OSCILLATING FLOW USING THE LATTICE BOLTZMANN METHOD

Y. Wang, Y. L. He (), G. H. Tang and W. Q. Tao
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Y. Wang: School of Energy and Power Engineering, State Key Laboratory of Multiphase Flow, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China
Y. L. He: School of Energy and Power Engineering, State Key Laboratory of Multiphase Flow, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China
G. H. Tang: School of Energy and Power Engineering, State Key Laboratory of Multiphase Flow, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China
W. Q. Tao: School of Energy and Power Engineering, State Key Laboratory of Multiphase Flow, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China

International Journal of Modern Physics C (IJMPC), 2006, vol. 17, issue 05, 615-630

Abstract: A numerical study is presented for forced convection of an incompressible oscillating flow in a two-dimensional channel at constant wall temperature using the lattice Boltzmann method. The oscillatory motion of the fluid in the channel is driven by a periodic pressure gradient. The model adopted in this study is the coupled lattice Bhatnagar-Gross-Krook model. Pressure boundary condition is used in the inlet and outlet boundaries, and extrapolation scheme is used in the solid boundaries. The dependence of the flow and heat transfer characteristics on different Womersley numbers and the amplitudes of the pressure gradient are presented. Results are consistent with those from previous numerical simulations and theoretical analyses.

Keywords: Lattice Boltzmann method; forced convection; oscillating flow; numerical simulation; 02.70.-c; 44.15.+a; 47.11.+j (search for similar items in EconPapers)
Date: 2006
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DOI: 10.1142/S0129183106009023

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