Large eddy simulation of a turbulent diffusion flame with Conditional Source-term Estimation

نویسنده

  • W. K. Bushe
چکیده

1. Motivation and objectives Direct numerical simulation (DNS) of turbulent reacting flows at technically relevant high Reynolds numbers will be computationally unaffordable for the foreseeable future. Large eddy simulation (LES) represents an attractive alternative. The basic idea of LES is to resolve only the large scale motion of the flow while modeling the contribution of the small (i.e. sub-grid) scales, which tend to be more isotropic, hence, easier to model. Resolving only the large scales keeps the computational cost affordable. The LES set of equations is obtained by applying a spatial filter to the governing transport equations of mass, momentum and energy leading to

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تاریخ انتشار 2000