Transport and tumbling of polymers in viscoelastic shear flow

16 Mar 2020 Singh Sadhana Singh R. K. Kumar Sanjay

Polymers in shear flow are ubiquitous and we study their motion in a viscoelastic fluid under shear. Employing dumbbells as representative, we find that the center of mass motion follows: $\langle x^2_c(t) \rangle \sim \dot{\gamma}^2 t^{\alpha+2}, ~0< \alpha <1$, generalizing the earlier result: $\langle x^2_c(t) \rangle \sim \dot{\gamma}^2t^3 ~(\alpha = 1)$... (read more)

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Categories


  • STATISTICAL MECHANICS
  • SOFT CONDENSED MATTER