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Persistent URL http://purl.org/net/epubs/work/50488
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Record Id 50488
Title Lattice Boltzmann modelling Knudsen layer effect in non-equilibrium flows
Abstract Due to its intrinsically kinetic nature, lattice Boltzmann (LB) approach to simulating non-equilibrium gas flows has recently attracted significant research interest. Compared with other kinetic methods, it can offer a significantly smaller computational cost. To capture the nonlinear high-order rarefaction phenomena in gas flows, a geometry-dependent gas local mean free path has been proposed to be implemented in our ?high-order? LB model. A series of tests on rarefaction effects and the Knudsen layer interference have been carried out and the simulation results demonstrate our LB model?s capability for highly non-equilibrium flows.
Organisation CSE , CSE-CEG , STFC
Keywords Physics , Engineering
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Language English (EN)
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Journal Article Europhys Lett 83 (2008): 40008. doi:10.1209/0295-5075/83/40008 2008