Large Eddy Simulation of Scalar Transport in a Turbulent Jet Flow
作者： S. C. Garrick , F. A. Jaberi , P. Givi
DOI: 10.1007/978-94-011-4513-8_14
关键词: Large eddy simulation 、 Eddy diffusion 、 Turbulence 、 Scalar (physics) 、 Convection–diffusion equation 、 Statistical physics 、 Direct numerical simulation 、 Finite difference 、 Monte Carlo method 、 Physics
摘要: Large eddy simulation (LES) of turbulent reacting flows has been the subject widespread investigation (McMurtry et al., 1992: Galperin and Orszag, 1993; Menon McMurtry Gao O’Brien, Madnia Givi, Frankel Cook Riley. 1994; Fureby Lofstrom, Moller 1996: Branley Jones, 1997; Jimenez 1997: Mathey Choilet, Colucci 1998; DesJardin Frankel, 1998: Jaberi James. Reveillon Vervisch, Vervisch Poinsot, 1988). Amongst these, recently al. (1998) developed a methodology, termed “filtered density function” (FDF). The fundamental property FDF is to account for effects subgrid scale (SGS) scalar fluctuations in probabilistic manner. This similar probability function (PDF) methods which have proven be very useful Reynolds averaging procedures (Libby Williams, 1980; Libby Williams. 1994: O’Brien. Pope, 1985; Dopazo, 1994). transport equation constant unresolved convection mixing are modeled similarly those “conventional” LES, procedures. was solved numerically by Lagrangian Monte Carlo procedure results were compared with obtained direct numerical (DNS) conventional finite difference LES SGS ignored (LES-FD).
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