SIMULATIONS OF GAS–GAS MIXING LAYERS WITH A LATTICE BOLTZMANN BINARY FLUID MODEL

E. McCRACKEN Michael () and John Abraham ()
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E. McCRACKEN Michael: 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

International Journal of Modern Physics C (IJMPC), 2005, vol. 16, issue 04, 533-547

Abstract: Gas–gas mixing layers are important in many practical applications including transport of pollutants in smoke plumes and air–fuel mixing in combustion. In this paper, mixing layers are studied by conducting direct numerical simulations using a lattice Boltzmann model for binary fluids. The binary fluid model can simulate gases with different molecular weights. In this work, nitrogen–helium and nitrogen–nitrogen mixing layers are studied with different velocities. The computed results are compared with published experimental results and there is agreement between them within 7% for most cases.

Keywords: Lattice Boltzmann; mixing layer; binary fluid; Kelvin–Helmholtz (search for similar items in EconPapers)
Date: 2005
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DOI: 10.1142/S0129183105007273

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