Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
824620 | Comptes Rendus Mécanique | 2006 | 10 Pages |
Abstract
Turbulent scalar mixing with chemical reaction is investigated in terms of the local geometrical features of the iso-scalar surfaces—‘scalar field topologies’—, using Direct Numerical Simulation data. Two scalars with identical initial distribution, one inert and the other obeying a prescribed Arrhenius-like chemical reaction, evolve in homogeneous isotropic turbulence with a mesh size 2563. The two local principal curvatures, k1 and k2, of
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