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- Title
A new turbulent two-field concept for modeling RayleighTaylor, RichtmyerMeshkov, and KelvinHelmholtz mixing layers.
- Authors
ANTOINE LLOR; PASCAL BAILLY
- Abstract
An accurate turbulent mixing model for gravitationally induced instabilities with arbitrarily variable accelerations has been developed to capture the following physical aspects: (1) directed transport, (2) correct buoyancy forces, (3) turbulence diffusion, and (4) geometrical aspects. We present the two-structure two-fluid two-turbulence concept (2SFK), which consistently answers these requirements by identifying the large-scale transport structures in a statistical approach. An example of a 2SFK-based model is given and applied to the RayleighTaylor case.
- Subjects
TURBULENCE; MIXING; HYDRODYNAMICS; FLUID dynamics; TRANSPORT theory
- Publication
Laser & Particle Beams, 2003, Vol 21, Issue 3, p311
- ISSN
0263-0346
- Publication type
Article
- DOI
10.1017/s0263034603213033