Bead-spring polymer chains in ultra-dilute turbulence align with the intermediate strain-rate direction, and their finite-time Lyapunov exponent ratio E[λ2]/E[λ1] is about 4/17.
Polymer drag reduction: A revi ew through the lens of coherent structures in wall-bounded turbulent flows
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Stretching and Lyapunov Exponents of Polymers in Ultra-Dilute Turbulent Solutions
Bead-spring polymer chains in ultra-dilute turbulence align with the intermediate strain-rate direction, and their finite-time Lyapunov exponent ratio E[λ2]/E[λ1] is about 4/17.