Stretching of Polymers r Superimposed on

Stretching of Polymers r 2 Superimposed on ? (16384 2 ) Where : ? ? (? 2 ? ? 2 )/8; ? > 0 ? vortical region, ? < 0 ? strain-dominated region. ? 2 ? ∑ i ,j ?ij?ij and ?ij = ∂iuj + ∂jui . ! Polymers stretch predominantly in strain-dominated regions. Two dimensional turbulence with polymer additives

• kolmogorov-like scaling


• cc liquid


• clearly ob- served


• yag laser slaved


• coherent structures


• soap film


• linear polymer


• polymers stretch