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Role of Elastic Stress in Statistical and Scaling Properties of Elastic Turbulence

Domenii publicaţii > Fizica + Tipuri publicaţii > Articol în revistã ştiinţificã

Autori: T. Burghelea, E. Segre, V. Steinberg

Editorial: American Physical Society, Physical Review Letters, 96, p.214502, 2006.


The role of elastic stress in statistical and scaling properties of elastic turbulence in a polymer solution
flow between two disks is discussed. The analogy with a small-scale magnetodynamics and a passive
scalar turbulent advection in the Batchelor regime is used to explain the experimentally observed
statistical properties, the flow structure, and the scaling of elastic turbulence. The emergence of a new
length scale, namely, the boundary layer thickness, is observed and studied.

Cuvinte cheie: Elastic Turbulence, Elastic Stresses, Scaling