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Discrete Lattice Bgk Boltzmann Equation Computations Of Transient Incompressible Turbulent Jets

Author

Listed:
  • KANNAN N. PREMNATH

    (Maurice J. Zucrow Labs., School of Mechanical Engineering, Purdue University, West Lafayette, Indiana 47907, USA)

  • JOHN ABRAHAM

    (Maurice J. Zucrow Labs., School of Mechanical Engineering, Purdue University, West Lafayette, Indiana 47907, USA)

Abstract

In this paper, computations of transient, incompressible, turbulent, plane jets using the discrete lattice BGK Boltzmann equation are reported.Á prioriderivation of the discrete lattice BGK Boltzmann equation with a spatially and temporally dependent relaxation time parameter, which is used to represent the averaged flow field, from its corresponding continuous form is given. The averaged behavior of the turbulence field is represented by the standardk–∊turbulence model and computed using a finite-volume scheme on nonuniform grids. Computed results are compared with analytical solutions, experimental data and results of other computational methods. Satisfactory agreement is shown.

Suggested Citation

  • Kannan N. Premnath & John Abraham, 2004. "Discrete Lattice Bgk Boltzmann Equation Computations Of Transient Incompressible Turbulent Jets," International Journal of Modern Physics C (IJMPC), World Scientific Publishing Co. Pte. Ltd., vol. 15(05), pages 699-719.
    • Handle: RePEc:wsi:ijmpcx:v:15:y:2004:i:05:n:s0129183104006157
    DOI: 10.1142/S0129183104006157
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    References listed on IDEAS

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    1. Van Loef, J.J. & Cohen, E.G.D., 1989. "Transport coefficients of simple fluids in a density range from the solid to the dilute gas," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 156(1), pages 522-533.
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