Turbulent dynamics of polymer solutions

@article{Balkovsky2000TurbulentDO,
  title={Turbulent dynamics of polymer solutions},
  author={Balkovsky and Fouxon and Lebedev},
  journal={Physical review letters},
  year={2000},
  volume={84 20},
  pages={
          4765-8
        }
}
  • Balkovsky, Fouxon, Lebedev
  • Published 2000
  • Medicine, Physics
  • Physical review letters
  • We study properties of dilute polymer solutions. The probability density function (PDF) of polymer end-to-end extensions R in turbulent flows is examined. We show that if the value of the Lyapunov exponent lambda is smaller than the inverse molecular relaxation time 1/tau then the PDF has a strong peak at the equilibrium size R0 and a power tail at R>>R0. This confirms and extends the results of J. L. Lumley [Symp. Math. 9, 315 (1972)]. There is no essential influence of polymers on the flow in… CONTINUE READING

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